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c361be55b3128474aa66d31092db330b07539103
Analyze and fix the following issue in the Linux kernel code: Move free pages between lists on steal
Problem Details: When a fallback occurs, there will be free pages for one allocation type stored on the list for another. When a large steal occurs, this patch will move all the free pages within one list to the other. [y-goto@jp.fujitsu.com: fix BUG_ON check at move_freepages()] [apw@shadowen.org: Move to using pfn_...
```diff diff --git a/mm/page_alloc.c b/mm/page_alloc.c index aa7e5d2f28a5..d575a3ee8dd8 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -680,6 +680,72 @@ static int fallbacks[MIGRATE_TYPES][MIGRATE_TYPES-1] = { [MIGRATE_MOVABLE] = { MIGRATE_UNMOVABLE }, }; +/* + * Move the free pages in a range to the free...
835c134ec4dd755e5c4470af566db226d1e96742
Analyze and fix the following issue in the Linux kernel code: Add a bitmap that is used to track flags affecting a block of pages
Problem Details: Here is the latest revision of the anti-fragmentation patches. Of particular note in this version is special treatment of high-order atomic allocations. Care is taken to group them together and avoid grouping pages of other types near them. Artifical tests imply that it works. I'm trying to get the ...
```diff diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index f6167f2fd7fb..322e8048463e 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/seqlock.h> #include <linux/nodemask.h> +#include <linux/pageblock-flags.h> #include <asm/at...
6cb062296f73e74768cca2f3eaf90deac54de02d
Analyze and fix the following issue in the Linux kernel code: Categorize GFP flags
Problem Details: The function of GFP_LEVEL_MASK seems to be unclear. In order to clear up the mystery we get rid of it and replace GFP_LEVEL_MASK with 3 sets of GFP flags: GFP_RECLAIM_MASK Flags used to control page allocator reclaim behavior. GFP_CONSTRAINT_MASK Flags used to limit where allocations can occur. GFP...
```diff diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 12a90a191c11..da8aa872eb6e 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -53,13 +53,6 @@ struct vm_area_struct; #define __GFP_BITS_SHIFT 20 /* Room for 20 __GFP_FOO bits */ #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SH...
58c0a4a7864b2dad6da4090813322fcd29a11c92
Analyze and fix the following issue in the Linux kernel code: Fix panic of cpu online with memory less node
Problem Details: When a cpu is onlined on memory-less-node box, kernel panics due to touch NULL pointer of pgdat->kswapd. Current kswapd runs only nodes which have memory. So, calling of set_cpus_allowed() is not necessary for memory-less node. This is fix for it. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com...
```diff diff --git a/mm/vmscan.c b/mm/vmscan.c index 8fd8ba1c67b4..cb8ad3c6e483 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1694,9 +1694,11 @@ static int __devinit cpu_callback(struct notifier_block *nfb, { pg_data_t *pgdat; cpumask_t mask; + int nid; if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN)...
37b07e4163f7306aa735a6e250e8d22293e5b8de
Analyze and fix the following issue in the Linux kernel code: memoryless nodes: fixup uses of node_online_map in generic code
Problem Details: Here's a cut at fixing up uses of the online node map in generic code. mm/shmem.c:shmem_parse_mpol() Ensure nodelist is subset of nodes with memory. Use node_states[N_HIGH_MEMORY] as default for missing nodelist for interleave policy. mm/shmem.c:shmem_fill_super() initialize policy_nodes to nod...
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 0d70fb7d83be..2c521defb41e 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -126,7 +126,7 @@ static int mpol_check_policy(int mode, nodemask_t *nodes) return -EINVAL; break; } - return nodes_subset(*nodes, node_online_map) ? 0 : -EINVAL; + return n...
523b945855a1427000ffc707c610abe5947ae607
Analyze and fix the following issue in the Linux kernel code: Memoryless nodes: Fix GFP_THISNODE behavior
Problem Details: GFP_THISNODE checks that the zone selected is within the pgdat (node) of the first zone of a nodelist. That only works if the node has memory. A memoryless node will have its first node on another pgdat (node). GFP_THISNODE currently will return simply memory on the first pgdat. Thus it is returnin...
```diff diff --git a/include/linux/gfp.h b/include/linux/gfp.h index bc68dd9a6d41..12a90a191c11 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -98,22 +98,29 @@ struct vm_area_struct; static inline enum zone_type gfp_zone(gfp_t flags) { + int base = 0; + +#ifdef CONFIG_NUMA + if (flags & __GFP_THISNOD...
6eaf806a223e61dc5f2de4ab591f11beb97a8f3b
Analyze and fix the following issue in the Linux kernel code: Memoryless nodes: Fix interleave behavior for memoryless nodes
Problem Details: MPOL_INTERLEAVE currently simply loops over all nodes. Allocations on memoryless nodes will be redirected to nodes with memory. This results in an imbalance because the neighboring nodes to memoryless nodes will get significantly more interleave hits that the rest of the nodes on the system. We can ...
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index ccbdb22147bb..5daf63bd97e7 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -183,7 +183,9 @@ static struct mempolicy *mpol_new(int mode, nodemask_t *nodes) switch (mode) { case MPOL_INTERLEAVE: policy->v.nodes = *nodes; - if (nodes_weight(*nodes) == ...
7ea1530ab3fdfa85441061909cc8040e84776fd4
Analyze and fix the following issue in the Linux kernel code: Memoryless nodes: introduce mask of nodes with memory
Problem Details: It is necessary to know if nodes have memory since we have recently begun to add support for memoryless nodes. For that purpose we introduce a two new node states: N_HIGH_MEMORY and N_NORMAL_MEMORY. A node has its bit in N_HIGH_MEMORY set if it has any memory regardless of the type of mmemory. If a ...
```diff diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index 583e6b843d2a..ccee962f3559 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -341,8 +341,14 @@ static inline void __nodes_remap(nodemask_t *dstp, const nodemask_t *srcp, * Bitmasks that are kept for all the nodes. *...
55144768e100b68447f44c5e5c9deb155ad661bd
Analyze and fix the following issue in the Linux kernel code: fs: remove some AOP_TRUNCATED_PAGE
Problem Details: prepare/commit_write no longer returns AOP_TRUNCATED_PAGE since OCFS2 and GFS2 were converted to the new aops, so we can make some simplifications for that. [michal.k.k.piotrowski@gmail.com: fix warning] Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Mark Fa...
```diff diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 281c19ff7f45..6f8e16e3d6c0 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -621,11 +621,7 @@ struct address_space_operations { any basic-blocks on storage, then those blocks sho...
03158cd7eb3374843de68421142ca5900df845d9
Analyze and fix the following issue in the Linux kernel code: fs: restore nobh
Problem Details: Implement nobh in new aops. This is a bit tricky. FWIW, nobh_truncate is now implemented in a way that does not create blocks in sparse regions, which is a silly thing for it to have been doing (isn't it?) ext2 survives fsx and fsstress. jfs is converted as well... ext3 should be easy to do (but not...
```diff diff --git a/fs/buffer.c b/fs/buffer.c index a89d25bf1171..a406cfd89e3b 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2369,7 +2369,7 @@ out_unlock: } /* - * nobh_prepare_write()'s prereads are special: the buffer_heads are freed + * nobh_write_begin()'s prereads are special: the buffer_heads are freed * ...
4899f9c852564ce7b6d0ca932ac6674bf471fd28
Analyze and fix the following issue in the Linux kernel code: nfs: convert to new aops
Problem Details: [akpm@linux-foundation.org: fix against git-nfs] [peterz@infradead.org: fix against git-nfs] Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew...
```diff diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 08c7c7387fce..d29f90d00aa2 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -306,27 +306,50 @@ nfs_fsync(struct file *file, struct dentry *dentry, int datasync) } /* - * This does the "real" work of the write. The generic routine has - * allocated the page, ...
f4fc66a894546bdc88a775d0e83ad20a65210bcb
Analyze and fix the following issue in the Linux kernel code: ext3: convert to new aops
Problem Details: Various fixes and improvements Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index de4e3161e479..2f2b6864db10 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1147,51 +1147,68 @@ static int do_journal_get_write_access(handle_t *handle, return ext3_journal_get_write_access(handle, bh); } -static int ext3_prepare_write(struct file ...
637aff46f94a754207c80c8c64bf1b74f24b967d
Analyze and fix the following issue in the Linux kernel code: fs: fix data-loss on error
Problem Details: New buffers against uptodate pages are simply be marked uptodate, while the buffer_new bit remains set. This causes error-case code to zero out parts of those buffers because it thinks they contain stale data: wrong, they are actually uptodate so this is a data loss situation. Fix this by actually cl...
```diff diff --git a/fs/buffer.c b/fs/buffer.c index 09bb80c479d8..9ece6c2086d0 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1813,7 +1813,9 @@ static int __block_prepare_write(struct inode *inode, struct page *page, unmap_underlying_metadata(bh->b_bdev, bh->b_blocknr); if (PageUptodate(page)) { + ...
08291429cfa6258c4cd95d8833beb40f828b194e
Analyze and fix the following issue in the Linux kernel code: mm: fix pagecache write deadlocks
Problem Details: Modify the core write() code so that it won't take a pagefault while holding a lock on the pagecache page. There are a number of different deadlocks possible if we try to do such a thing: 1. generic_buffered_write 2. lock_page 3. prepare_write 4. unlock_page+vmtruncate 5. copy_from_user ...
```diff diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 862fc07dc6c0..8f1e390fd71b 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -219,6 +219,9 @@ static inline int fault_in_pages_writeable(char __user *uaddr, int size) { int ret; + if (unlikely(size == 0)) + return 0; ...
64649a58919e66ec21792dbb6c48cb3da22cbd7f
Analyze and fix the following issue in the Linux kernel code: mm: trim more holes
Problem Details: If prepare_write fails with AOP_TRUNCATED_PAGE, or if commit_write fails, then we may have failed the write operation despite prepare_write having instantiated blocks past i_size. Fix this, and consolidate the trimming into one place. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew...
```diff diff --git a/mm/filemap.c b/mm/filemap.c index 0c54fc9b8e3d..73b98c6a3389 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1895,22 +1895,9 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, } status = a_ops->prepare_write(file, page, offset, offset+bytes); - if (unlikely(status...
5fe172370687e03cc6ba8dca990b75db18ff9bb3
Analyze and fix the following issue in the Linux kernel code: mm: debug write deadlocks
Problem Details: Allow CONFIG_DEBUG_VM to switch off the prefaulting logic, to simulate the Makes the race much easier to hit. This is useful for demonstration and testing purposes, but is removed in a subsequent patch. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.o...
```diff diff --git a/mm/filemap.c b/mm/filemap.c index f74d05201862..0c54fc9b8e3d 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1878,6 +1878,7 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, if (maxlen > bytes) maxlen = bytes; +#ifndef CONFIG_DEBUG_VM /* * Bring in the use...
ae37461c70bc8c8416cad1bab13a9898ed030aa1
Analyze and fix the following issue in the Linux kernel code: mm: clean up buffered write code
Problem Details: Rename some variables and fix some types. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/mm/filemap.c b/mm/filemap.c index 4bf7d1ab6c2a..f74d05201862 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1838,16 +1838,15 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, size_t count, ssize_t written) { struct file *file = iocb->ki_filp; - struct address_space...
6814d7a91289ceb143285975e244a8f00fd3a830
Analyze and fix the following issue in the Linux kernel code: Revert "[PATCH] generic_file_buffered_write(): deadlock on vectored write"
Problem Details: This reverts commit 6527c2bdf1f833cc18e8f42bd97973d583e4aa83, which fixed the following bug: When prefaulting in the pages in generic_file_buffered_write(), we only faulted in the pages for the firts segment of the iovec. If the second of successive segment described a mmapping of the page into...
```diff diff --git a/mm/filemap.c b/mm/filemap.c index caaaa7adfdf9..4bf7d1ab6c2a 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1865,21 +1865,14 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, do { unsigned long index; unsigned long offset; + unsigned long maxlen; size_t copie...
4b49643fbb3fa8bf4910f82be02d45e94e8972a4
Analyze and fix the following issue in the Linux kernel code: Revert "[PATCH] generic_file_buffered_write(): handle zero-length iovec segments"
Problem Details: This reverts commit 81b0c8713385ce1b1b9058e916edcf9561ad76d6, which was a bugfix against 6527c2bdf1f833cc18e8f42bd97973d583e4aa83 ("[PATCH] generic_file_buffered_write(): deadlock on vectored write"), which we also revert. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Nick Piggin <npiggi...
```diff diff --git a/mm/filemap.c b/mm/filemap.c index c504db18ac26..caaaa7adfdf9 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1895,12 +1895,6 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, break; } - if (unlikely(bytes == 0)) { - status = 0; - copied = 0; - goto zero_le...
902aaed0d983dfd459fcb2b678608d4584782200
Analyze and fix the following issue in the Linux kernel code: mm: use pagevec to rotate reclaimable page
Problem Details: While running some memory intensive load, system response deteriorated just after swap-out started. The cause of this problem is that when a PG_reclaim page is moved to the tail of the inactive LRU list in rotate_reclaimable_page(), lru_lock spin lock is acquired every page writeback . This deteriora...
```diff diff --git a/mm/swap.c b/mm/swap.c index d93fa1e9ec7c..d034b2128d2b 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -32,6 +32,10 @@ /* How many pages do we try to swap or page in/out together? */ int page_cluster; +static DEFINE_PER_CPU(struct pagevec, lru_add_pvecs) = { 0, }; +static DEFINE_PER_CPU(struct pageve...
26fb1589cb0aaec3a0b4418c54f30c1a2b1781f6
Analyze and fix the following issue in the Linux kernel code: fix the max path calculation in radix-tree.c
Problem Details: A while back, Nick Piggin introduced a patch to reduce the node memory usage for small files (commit cfd9b7df4abd3257c9e381b0e445817b26a51c0c): -#define RADIX_TREE_MAP_SHIFT 6 +#define RADIX_TREE_MAP_SHIFT (CONFIG_BASE_SMALL ? 4 : 6) Unfortunately, he didn't take into account the fact that the calcul...
```diff diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 0eee4020a7be..519d3f00ef9e 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -60,9 +60,14 @@ struct radix_tree_path { }; #define RADIX_TREE_INDEX_BITS (8 /* CHAR_BIT */ * sizeof(unsigned long)) -#define RADIX_TREE_MAX_PATH (RADIX_TREE_INDEX_BITS/...
a4b0672db3a698d0684ee6e54f44e2e162a3da1b
Analyze and fix the following issue in the Linux kernel code: fs: fix nobh error handling
Problem Details: nobh mode error handling is not just pretty slack, it's wrong. One cannot zero out the whole page to ensure new blocks are zeroed, because it just brings the whole page "uptodate" with zeroes even if that may not be the correct uptodate data. Also, other parts of the page may already contain dirty da...
```diff diff --git a/fs/buffer.c b/fs/buffer.c index b144fc367b8b..09bb80c479d8 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2274,51 +2274,64 @@ int nobh_prepare_write(struct page *page, unsigned from, unsigned to, struct inode *inode = page->mapping->host; const unsigned blkbits = inode->i_blkbits; const unsig...
ef8b4520bd9f8294ffce9abd6158085bde5dc902
Analyze and fix the following issue in the Linux kernel code: Slab allocators: fail if ksize is called with a NULL parameter
Problem Details: A NULL pointer means that the object was not allocated. One cannot determine the size of an object that has not been allocated. Currently we return 0 but we really should BUG() on attempts to determine the size of something nonexistent. krealloc() interprets NULL to mean a zero sized object. Handle...
```diff diff --git a/mm/slab.c b/mm/slab.c index 6f6abef83a1a..1b240a3029d6 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -4446,7 +4446,8 @@ const struct seq_operations slabstats_op = { */ size_t ksize(const void *objp) { - if (unlikely(ZERO_OR_NULL_PTR(objp))) + BUG_ON(!objp); + if (unlikely(objp == ZERO_SIZE_PTR)) ...
c92ff1bde06f69d59b40f3194016aee51cc5da55
Analyze and fix the following issue in the Linux kernel code: move mm_struct and vm_area_struct
Problem Details: Move the definitions of struct mm_struct and struct vma_area_struct to include/mm_types.h. This allows to define more function in asm/pgtable.h and friends with inline assemblies instead of macros. Compile tested on i386, powerpc, powerpc64, s390-32, s390-64 and x86_64. [aurelien@aurel32.net: build ...
```diff diff --git a/include/linux/mm.h b/include/linux/mm.h index fbbc29a29dff..6a68d41444f8 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -50,69 +50,6 @@ extern int sysctl_legacy_va_layout; * mmap() functions). */ -/* - * This struct defines a memory VMM memory area. There is one of these - * per ...
b55ed816235cf41c29159d22a4cdeec7deb5821c
Analyze and fix the following issue in the Linux kernel code: mm: clarify __add_to_swap_cache locking
Problem Details: __add_to_swap_cache unconditionally sets the page locked, which can be a bit alarming to the unsuspecting reader: in the code paths where the page is visible to other CPUs, the page should be (and is) already locked. Instead, just add a check to ensure the page is locked here, and teach the one path r...
```diff diff --git a/mm/swap_state.c b/mm/swap_state.c index 67daecb6031a..b52635601dfe 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -74,6 +74,7 @@ static int __add_to_swap_cache(struct page *page, swp_entry_t entry, { int error; + BUG_ON(!PageLocked(page)); BUG_ON(PageSwapCache(page)); BUG_ON(PagePri...
557ed1fa2620dc119adb86b34c614e152a629a80
Analyze and fix the following issue in the Linux kernel code: remove ZERO_PAGE
Problem Details: The commit b5810039a54e5babf428e9a1e89fc1940fabff11 contains the note A last caveat: the ZERO_PAGE is now refcounted and managed with rmap (and thus mapcounted and count towards shared rss). These writes to the struct page could cause excessive cacheline bouncing on big systems. There are a ...
```diff diff --git a/drivers/char/mem.c b/drivers/char/mem.c index bbee97ff355f..64551ab6be03 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -625,65 +625,10 @@ static ssize_t splice_write_null(struct pipe_inode_info *pipe,struct file *out, return splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_null...
6df8ba4f8a4c4abca9ccad10441d0dddbdff301c
Analyze and fix the following issue in the Linux kernel code: radixtree: introduce radix_tree_next_hole()
Problem Details: Introduce radix_tree_next_hole(root, index, max_scan) to scan radix tree for the first hole. It will be used in interleaved readahead. The implementation is dumb and obviously correct. It can help debug(and document) the possible smart one in future. Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed...
```diff diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index f9e77d2ee320..430e4a8c1382 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -155,6 +155,8 @@ void *radix_tree_delete(struct radix_tree_root *, unsigned long); unsigned int radix_tree_gang_lookup(struct radix_...
f4e6b498d6e06742d72706ef50593a9c4dd72214
Analyze and fix the following issue in the Linux kernel code: readahead: combine file_ra_state.prev_index/prev_offset into prev_pos
Problem Details: Combine the file_ra_state members unsigned long prev_index unsigned int prev_offset into loff_t prev_pos It is more consistent and better supports huge files. Thanks to Peter for the nice proposal! [akpm@linux-foundation.org: fix shift overflow] Cc: Peter Zijlstra <peterz@infradead.org> ...
```diff diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index c00723a99f44..c2c3491b18cf 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c @@ -143,7 +143,7 @@ static int ext3_readdir(struct file * filp, sb->s_bdev->bd_inode->i_mapping, &filp->f_ra, filp, index, 1); - filp->f_ra.prev_index = index; + filp-...
d29eff7bca60c9ee401d691d4562a4abca8de543
Analyze and fix the following issue in the Linux kernel code: ppc64: SPARSEMEM_VMEMMAP support
Problem Details: Enable virtual memmap support for SPARSEMEM on PPC64 systems. Slice a 16th off the end of the linear mapping space and use that to hold the vmemmap. Uses the same size mapping as uses in the linear 1:1 kernel mapping. [pbadari@gmail.com: fix warning] Signed-off-by: Andy Whitcroft <apw@shadowen.org> A...
```diff diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 037664d496d7..5e001ad588a7 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -295,6 +295,7 @@ config ARCH_FLATMEM_ENABLE config ARCH_SPARSEMEM_ENABLE def_bool y depends on PPC64 + select SPARSEMEM_VMEMMAP_ENABLE config ARCH_SPA...
8f6aac419bd590f535fb110875a51f7db2b62b5b
Analyze and fix the following issue in the Linux kernel code: Generic Virtual Memmap support for SPARSEMEM
Problem Details: SPARSEMEM is a pretty nice framework that unifies quite a bit of code over all the arches. It would be great if it could be the default so that we can get rid of various forms of DISCONTIG and other variations on memory maps. So far what has hindered this are the additional lookups that SPARSEMEM int...
```diff diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h index 30d8d33491dd..52226e14bd7d 100644 --- a/include/asm-generic/memory_model.h +++ b/include/asm-generic/memory_model.h @@ -46,6 +46,12 @@ __pgdat->node_start_pfn; \ }) +#elif defined(CONFIG_SPARSEMEM_VMEMMAP) + +/*...
540557b9439ec19668553830c90222f9fb0c2e95
Analyze and fix the following issue in the Linux kernel code: sparsemem: record when a section has a valid mem_map
Problem Details: We have flags to indicate whether a section actually has a valid mem_map associated with it. This is never set and we rely solely on the present bit to indicate a section is valid. By definition a section is not valid if it has no mem_map and there is a window during init where the present bit is set...
```diff diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 7a1390cd6aad..c41d0728efe2 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -238,7 +238,7 @@ store_mem_state(struct sys_device *dev, const char *buf, size_t count) mem = container_of(dev, struct memory_block, sysdev); phys_sec...
cd881a6b22902b356cacf8fd2e4e895871068eec
Analyze and fix the following issue in the Linux kernel code: sparsemem: clean up spelling error in comments
Problem Details: SPARSEMEM is a pretty nice framework that unifies quite a bit of code over all the arches. It would be great if it could be the default so that we can get rid of various forms of DISCONTIG and other variations on memory maps. So far what has hindered this are the additional lookups that SPARSEMEM int...
```diff diff --git a/mm/sparse.c b/mm/sparse.c index 239f5a720d38..e8f36e4796d0 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -106,7 +106,7 @@ static inline int sparse_index_init(unsigned long section_nr, int nid) /* * Although written for the SPARSEMEM_EXTREME case, this happens - * to also work for the flat arra...
74a0b5762713a26496db72eac34fbbed46f20fce
Analyze and fix the following issue in the Linux kernel code: x86: optimize page faults like all other achitectures and kill notifier cruft
Problem Details: x86(-64) are the last architectures still using the page fault notifier cruft for the kprobes page fault hook. This patch converts them to the proper direct calls, and removes the now unused pagefault notifier bits aswell as the cruft in kprobes.c that was related to this mess. I know Andi didn't rea...
```diff diff --git a/arch/x86/kernel/kprobes_32.c b/arch/x86/kernel/kprobes_32.c index e7d0d3c2ef64..06b86e5617f6 100644 --- a/arch/x86/kernel/kprobes_32.c +++ b/arch/x86/kernel/kprobes_32.c @@ -584,7 +584,7 @@ out: return 1; } -static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) +int __kpr...
dc0cf6a263d5a094d8c17287407aad1032a613b3
Analyze and fix the following issue in the Linux kernel code: pcmcia: cistpl: use get_unaligned() in CIS parsing
Problem Details: Based on a patch by Haavard Skinnemoen posted to linux-pcmcia, but using static inlines for readability reasons. this should fix PCMCIA an AVR32 Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Sign...
```diff diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index d154dee76e7f..06a85d7d5aa2 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -25,6 +25,7 @@ #include <linux/ioport.h> #include <asm/io.h> #include <asm/byteorder.h> +#include <asm/unaligned.h> #include <pcmcia/cs_type...
b5446b514c00b3034017609ec4e5a09117b9c8fd
Analyze and fix the following issue in the Linux kernel code: move a few definitions to au1000_xxs1500.c
Problem Details: Only a few definitions is in xxs1500.h . They can be move to au1000_xxs1500.c . [m.kozlowski@tuxland.pl: fix unbalanced parenthesis] Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Marius...
```diff diff --git a/drivers/pcmcia/au1000_xxs1500.c b/drivers/pcmcia/au1000_xxs1500.c index 01874b0bb03b..ce9d5c44a7b5 100644 --- a/drivers/pcmcia/au1000_xxs1500.c +++ b/drivers/pcmcia/au1000_xxs1500.c @@ -50,7 +50,10 @@ #include <asm/au1000.h> #include <asm/au1000_pcmcia.h> -#include <asm/xxs1500.h> + +#define PC...
0322a2b84096270c238da45f444bd3c9eb6f5e9c
Analyze and fix the following issue in the Linux kernel code: Add assembler equivalents to __init{,date}_refok
Problem Details: I need __INIT_REFOK to fix a MODPOST warning for a few MIPS configs which have to call init code from .text very early in the game due to bootloader issues. __INITDATA_REFOK is just for consistency. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation....
```diff diff --git a/include/linux/init.h b/include/linux/init.h index f8d9d0b5cffc..9b7a2ba8237e 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -67,8 +67,10 @@ /* For assembly routines */ #define __INIT .section ".init.text","ax" +#define __INIT_REFOK .section ".text.init.refok","ax" #define __F...
bfe8df3d314bddf30758bd738e0087e80964760c
Analyze and fix the following issue in the Linux kernel code: slow down printk during boot
Problem Details: Optionally add a boot delay after each kernel printk() call, crudely measured in milliseconds, with a maximum delay of 10 seconds per printk. Enable CONFIG_BOOT_PRINTK_DELAY=y and then add (e.g.): "lpj=loops_per_jiffy boot_delay=100" to the kernel command line. It has been useful in cases like "durin...
```diff diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 085e4a095eaa..760ed5776174 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -349,6 +349,11 @@ and is between 256 and 4096 characters. It is defined in the file blkmtd_bs= ...
b875d650527e1980cc88b2731ac4c209d2e4a0ca
Analyze and fix the following issue in the Linux kernel code: [ALSA] Fix thinko in cs4231 mce down check
Problem Details: The last patches to replace with schedule_timeout() don't work as expected. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c index 72cf77159083..a5eb9659b519 100644 --- a/sound/isa/cs423x/cs4231_lib.c +++ b/sound/isa/cs423x/cs4231_lib.c @@ -313,6 +313,7 @@ void snd_cs4231_mce_up(struct snd_cs4231 *chip) void snd_cs4231_mce_down(struct snd_cs4231 *chip) { u...
56f91585b48bb3ca8ec38b84c92d3df2a2f2bf66
Analyze and fix the following issue in the Linux kernel code: [ALSA] sun-cs4231: improved waiting after MCE down
Problem Details: This patch sync sparc driver with x86 isa cs4231 driver patches. It fixes wrong waiting for the auto calibration bit and makes further waiting use much finer granularity. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <pere...
```diff diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index 4f515a64e03f..ab39860e2404 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -422,44 +422,39 @@ static void snd_cs4231_mce_down(struct snd_cs4231 *chip) spin_unlock_irqrestore(&chip->lock, flags); return; } - snd_cs4231_busy_wa...
c2cbdbb1583830b77f169a717407f035d6627793
Analyze and fix the following issue in the Linux kernel code: [ALSA] fix bootup crash in snd_gus_interrupt()
Problem Details: when simulating a storm of fake GUS interrupts (without actually owning this venerable piece of ISA hardware) the driver falls over (crashes) in two ways: 1) spinlocks being initialized too late: INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the loc...
```diff diff --git a/sound/isa/gus/gus_irq.c b/sound/isa/gus/gus_irq.c index a0430b338d67..cd9a6f1c99e6 100644 --- a/sound/isa/gus/gus_irq.c +++ b/sound/isa/gus/gus_irq.c @@ -45,11 +45,13 @@ __again: // snd_printk("IRQ: status = 0x%x\n", status); if (status & 0x02) { STAT_ADD(gus->gf1.interrupt_stat_midi_in); - ...
c9b58006be7e471a5f55d171cbaa08f4aa8078ea
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix SKU ID function for realtek codecs
Problem Details: Fixed SKU ID function for realtek codecs. It's used by the automatic BIOS configuration mode. Now it supports the correct jack-detection mechanism, too. Signed-off-by: Kailang Yang <kailang@realtek.com.tw> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index c8ca97b2c31d..53b0428abfc2 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -662,6 +662,44 @@ static struct hda_verb alc_gpio3_init_verbs[] = { { } }; +static void alc_sku_automute(struct hda_c...
2a3988f6d2c5be9d02463097775d1c66a8290527
Analyze and fix the following issue in the Linux kernel code: [ALSA] hdsp - Fix zero division
Problem Details: Fix zero-division bug in the calculation dds offset. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
```diff diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 2411f0b396b4..ff26a3672d40 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -3059,6 +3059,9 @@ static int hdsp_dds_offset(struct hdsp *hdsp) unsigned int dds_value = hdsp->dds_value; int system_sample_rate = hdsp->...
ea045ee4d381428ec9c056ff5848bc619d84986a
Analyze and fix the following issue in the Linux kernel code: [ALSA] usb-audio - Fix double comment
Problem Details: Remove superfluous comment line (maybe a merge failure). Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
```diff diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h index aeb9005125ce..743568f89907 100644 --- a/sound/usb/usbquirks.h +++ b/sound/usb/usbquirks.h @@ -101,7 +101,6 @@ .idProduct = 0x3f04, .bInterfaceClass = USB_CLASS_AUDIO, }, -/* /* * Yamaha devices */ ```
9066f2443122c1501da64b6faa0038c13f0209f9
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix STAC922x volume knob control
Problem Details: Reported by zhejiang <zhe.jiang@intel.com> 'I found that STAC_VOLKNOB hardwired the KNOB nid to 0x24. It is okay for stac9205 and stac927x. But the VolumeKnob nid of stac9220-9221 is 0x16.' Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 8b3576007d4a..626a5edde06c 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -352,7 +352,7 @@ static int stac92xx_volknob_info(struct snd_kcontrol *kcontrol, static int stac92xx_volknob_get(stru...
39d3ed381877246719184897c853c0c58028fe54
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix for Fujitsu Lifebook C1410
Problem Details: Fixed ALC262 fujitsu model to support Fujitsu Lifebook C1410 properly. It requires EAPD and has separate int/ext mic inputs (which was missing in the current driver). Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index ec14dd513fee..1d2cd4c4b160 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -7807,9 +7807,10 @@ static struct hda_verb alc262_fujitsu_unsol_verbs[] = { }; static struct hda_input_mux alc262_fuji...
11be265f7fd4976a1139d6ec9b2ef1e8adaf835f
Analyze and fix the following issue in the Linux kernel code: [ALSA] via82xx - Add DXS quirk for Shuttle AK31v2
Problem Details: Shuttle AK31v2 works well with dxs_support=5 (ALSA bug#2926). Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index 45d89deb64e5..69487f681184 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -2363,6 +2363,7 @@ static struct snd_pci_quirk dxs_whitelist[] __devinitdata = { SND_PCI_QUIRK(0x1071, 0, "Diverse Notebook", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0...
a3a2f429e55997e3b7a0c23baf1208991970ecc1
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix input_mux numbers for vaio stac92xx
Problem Details: My bad, I forgot to update the num_items field when added a new item to vaio_mux items table, so the last item 'PCM' disappeared. Now it has the right number 3. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 9fae4f1296bb..8b3576007d4a 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2875,7 +2875,7 @@ static hda_nid_t vaio_adcs[] = { 0x8 /*,0x6*/ }; static hda_nid_t vaio_mux_nids[] = { 0x15 }; s...
e6382cf8b0c34be26e667d45911fa827aea8df5c
Analyze and fix the following issue in the Linux kernel code: [ALSA] pcxhr - Fix dB level information
Problem Details: Some dB level information is wrong in pcxhr driver according to the datasheet. Fixed now. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/pcxhr/pcxhr_mixer.c b/sound/pci/pcxhr/pcxhr_mixer.c index b913453063f8..5f8d42633b04 100644 --- a/sound/pci/pcxhr/pcxhr_mixer.c +++ b/sound/pci/pcxhr/pcxhr_mixer.c @@ -44,8 +44,8 @@ #define PCXHR_ANALOG_PLAYBACK_LEVEL_MAX 128 /* 0.0 dB */ #define PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL 104...
1194b5b70a0a000a4ace54d94d8df5cc3ec6e3e0
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix Gateway laptops with STAC9200
Problem Details: Fix the output of Gateway laptops with STAC9200 codec chip. They require the EAPD control for some pins. These pins shouldn't be powered down. To enable EAPD control, a new model 'gateway' was added to STAC9200. The known PCI SSIDs are included in the quirk list. The fix was originally suggested by Br...
```diff diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 9268925f8e42..a035eb64042f 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -972,6 +972,7 @@ Prior to version 0.9.0rc4 options...
2469049e728ee0542d6617f81311a18a14e73826
Analyze and fix the following issue in the Linux kernel code: [ALSA] sound: snd_register_device_for_dev fix
Problem Details: snd_register_device_for_dev() can oops when device_create() returns ERR_PTR(err). Scenario: preg->dev = device_create(...); /* fails */ if (preg->dev) /* contains ERR_PTR(err) */ dev_set_drvdata(preg->dev, private_data); and dev_set_drvdata() looks like this: static inline void dev_set_drvdata (struct...
```diff diff --git a/sound/core/sound.c b/sound/core/sound.c index 8dc7a3b32b98..f6ebce08b537 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -266,6 +266,14 @@ int snd_register_device_for_dev(int type, struct snd_card *card, int dev, snd_minors[minor] = preg; preg->dev = device_create(sound_class, devic...
1e74190bc0f8a5ab7e83bdf6688fcaebbed25316
Analyze and fix the following issue in the Linux kernel code: [ALSA] snd-usb-audio: Add basic support for E-Mu USB devices.
Problem Details: Signed-off-by: James Courtier-Dutton <James@superbug.co.uk> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h index 5e69e884ad00..aeb9005125ce 100644 --- a/sound/usb/usbquirks.h +++ b/sound/usb/usbquirks.h @@ -88,7 +88,20 @@ .bInterfaceClass = USB_CLASS_AUDIO, .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL }, - +/* E-Mu devices */ +{ + .match_flags = USB...
6eda7cf184670764a6f6bfc883bd5005379d7251
Analyze and fix the following issue in the Linux kernel code: [ALSA] git-alsa kconfig fix
Problem Details: Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index c127e79ed29c..356bf21a1506 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -900,6 +900,7 @@ config SND_AC97_POWER_SAVE_DEFAULT int "Default time-out for AC97 power-save mode" depends on SND_AC97_POWER_SAVE default 0 + help The default ...
213e84ec71abf596be76abcf18b988afeb2c210e
Analyze and fix the following issue in the Linux kernel code: [ALSA] sound/hda: fix help text
Problem Details: Fix hda help text typo. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 2c6486c23a52..c127e79ed29c 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -506,7 +506,7 @@ config SND_HDA_HWDEP select SND_HWDEP help Say Y here to build a hwdep interface for HD-audio driver. - This interface can be used for out-of-b...
b60dd394f8af01d1b0a8b1d9d1aa6b75c645eb8e
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix ALC662 codec support
Problem Details: * Fixed ALC662 init verbs (wrong NIDs) * Fixed ALC662 auto model issue (wrong DAC index) Signed-off-by: Kailang Yang <kailang@realtek.com.tw> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b642c8bf162f..096ef296db1a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -11665,12 +11665,12 @@ static struct hda_verb alc662_init_verbs[] = { {0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},...
b438f817b16eec5b497fe78cc2b889f3276e6508
Analyze and fix the following issue in the Linux kernel code: [ALSA] ad1848: Fix msleep while atomic
Problem Details: Simplest fix. Acked-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index 330b5ced01aa..18355fd66cb5 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -236,7 +236,9 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip) * calibration process to start. Needs upto 5 ...
c929e5ef4f1b2ef52f707e7ffcedc492a199741e
Analyze and fix the following issue in the Linux kernel code: [ALSA] schedule_timeout() fix for core/seq/seq_instr.c
Problem Details: Replace schedule_timeout() with schedule_timeout_uninterruptible() to avoid signals in loop. Signed-off-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/core/seq/seq_instr.c b/sound/core/seq/seq_instr.c index 5efe6523a589..08bed008fb7e 100644 --- a/sound/core/seq/seq_instr.c +++ b/sound/core/seq/seq_instr.c @@ -109,7 +109,7 @@ void snd_seq_instr_list_free(struct snd_seq_kinstr_list **list_ptr) spin_lock_irqsave(&list->lock, flags); wh...
d86d01935a4c4c818514d8c23579703abd768329
Analyze and fix the following issue in the Linux kernel code: [ALSA] alsa-kernel: schedule_timeout() fixes
Problem Details: Fix schedule_timeout() use in alsa-kernel. Mostly just schedule_timeout(1) --> schedule_timeout_uninterruptible(1) The wavefront_synth one fixes the surrounding loop as well. In ymfpci_main, delete a superfluous set_current_state() and in soc/soc-dapm.c replace an _interruptible with _uninterruptible ...
```diff diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c index 4902da40b6c0..1cb921d6137e 100644 --- a/sound/isa/sscape.c +++ b/sound/isa/sscape.c @@ -401,7 +401,7 @@ static int obp_startup_ack(struct soundscape *s, unsigned timeout) unsigned long flags; unsigned char x; - schedule_timeout(1); + schedule_...
1ea73412b27ddd88decbdafb83bb2bfc288fe56c
Analyze and fix the following issue in the Linux kernel code: [ALSA] opti9xx: adjust OPL3 FM resource value
Problem Details: The OPTi ISA-PnP chips advertise their OPL4 base at 0x380 (to 0x3f0) through pnp and put their on-chip OPL3 at +8. The driver assumes the provided value is the ALBase (OPL3 address) though and checks for an OPL4 at -8, which means that simply adding 8 to the pnp provides value works to fix detection of...
```diff diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index 049d479ce2b3..fb1d0704f2f9 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -1732,11 +1732,11 @@ static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip, #ifdef OPT...
1cf0bc7e730c4148605164ac542c1c191c1d2e09
Analyze and fix the following issue in the Linux kernel code: [ALSA] sc6000: 2 minor fixes
Problem Details: This patch zeroes buffer for the card name and fixes incorrect jump in the probe function. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c index 3032fa9e9f03..94daf8399994 100644 --- a/sound/isa/sc6000.c +++ b/sound/isa/sc6000.c @@ -352,6 +352,7 @@ static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma, return err; } + memset(answer, 0, sizeof(answer)); err = sc600...
7b758d2f74be4f255d8c80b5c302d4c3b8fc3863
Analyze and fix the following issue in the Linux kernel code: [ALSA] sc6000: documentation fix
Problem Details: This patch fixes MPU-401 irq values list in documentation. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 74a8293c6e75..dcaabeb2e4ca 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1679,7 +1679,7 @@ Prior to version 0.9.0rc4 optio...
f79415207ea60109d34bed89b2f3ed303a18d24b
Analyze and fix the following issue in the Linux kernel code: [ALSA] ad1848_lib: waiting loops done after cs4231_lib
Problem Details: This patch fixes ad1848_lib waiting loops to be the same as in the cs4231_lib. Acked-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index eee941be3b74..330b5ced01aa 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -205,7 +205,7 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip) { unsigned long flags; int timeout; - signe...
3a5bdee5fa98bfd7d04c61b37b746eb918472e82
Analyze and fix the following issue in the Linux kernel code: [ALSA] sc6000 build fix
Problem Details: sound/isa/sc6000.c: In function 'sc6000_dsp_reset': sound/isa/sc6000.c:270: error: implicit declaration of function 'udelay' sound/isa/sc6000.c: In function 'sc6000_init_mss': sound/isa/sc6000.c:327: error: implicit declaration of function 'msleep' {standard input}: Assembler messages: Signed-o...
```diff diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c index d4a4ccfc2fd7..3032fa9e9f03 100644 --- a/sound/isa/sc6000.c +++ b/sound/isa/sc6000.c @@ -25,6 +25,7 @@ #include <sound/driver.h> #include <linux/module.h> +#include <linux/delay.h> #include <linux/isa.h> #include <linux/io.h> #include <asm/dma.h> ...
22d3a20030439420bf2795c60529ba0e89b4d82c
Analyze and fix the following issue in the Linux kernel code: [ALSA] echoaudio - Add barrier() to prevent compiler optimization
Problem Details: This patch adds a barrier() to prevent the compiler from moving the read outside of the loop. It also fixes a comment. Signed-off-by: Giuliano Pochini <pochini@shiny.it> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/echoaudio/echoaudio_dsp.c b/sound/pci/echoaudio/echoaudio_dsp.c index 42afa837d9b4..e6c100770392 100644 --- a/sound/pci/echoaudio/echoaudio_dsp.c +++ b/sound/pci/echoaudio/echoaudio_dsp.c @@ -43,11 +43,11 @@ static int wait_handshake(struct echoaudio *chip) { int i; - /* Wait up to 1...
c36fd8c3cd682fa9bbe5b2cb4b99e16625a37c94
Analyze and fix the following issue in the Linux kernel code: [ALSA] cmipci: fix distortion on rear channels
Problem Details: When playing multichannel data, the rear channels can get distorted if the last sample of the last played stereo stream was not zero. To avoid this, add a hack to play a few silence samples after the stream is stopped. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela...
```diff diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 085a36751ac0..6832649879ce 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -434,6 +434,7 @@ struct cmipci_pcm { u8 running; /* dac/adc running? */ u8 fmt; /* format bits */ u8 is_dac; + u8 needs_silencing; unsigned int dma_size; /...
0f28eca32b3064db29d4718156e692f4db75c7aa
Analyze and fix the following issue in the Linux kernel code: [ALSA] cmipci: fix lookup of double rates
Problem Details: When using one of the double sampling rates, use half the sample rate to look up in the rates[] table, otherwise we stumble over the BUG(). Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index b4f74ae9c0b6..7cf4fc193419 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -604,6 +604,9 @@ static unsigned int rates[] = { 5512, 11025, 22050, 44100, 8000, 16000, 32000, 4 static unsigned int snd_cmipci_rate_freq(unsigned int rate) { un...
8ffbc01e2cb2e203df910468f236c7b4e7b36f25
Analyze and fix the following issue in the Linux kernel code: [ALSA] cmipci: reorganize set_dac_channels()
Problem Details: By reorganizing the code that sets the CHB3DxC bits we can not only simplify this code but also fix the bug where the CHB3D8C bit was not reset when playing a stereo stream after a 7.1 stream. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index c51ea0ef26f9..b4f74ae9c0b6 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -738,48 +738,37 @@ static struct snd_pcm_hw_constraint_list hw_constraints_channels_8 = { static int set_dac_channels(struct cmipci *cm, struct cmipci_pcm *rec, int ...
6935e68877a875137ea3fe7b690b0bec6504b7ff
Analyze and fix the following issue in the Linux kernel code: [ALSA] cmipci: fix version 37 detection
Problem Details: Use the proper value for the bit that identifies chip version 37. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 78a23984eac7..751ff00bfeca 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -2665,7 +2665,7 @@ static void __devinit query_chip(struct cmipci *cm) else cm->can_ac3_hw = 1; break; - case 1: + case CM_CHIP_037: cm->chip_versi...
c818e0a152bcb138411b07f4495b8e6fb9bacf52
Analyze and fix the following issue in the Linux kernel code: [ALSA] bt87x: fix detection of generic boards
Problem Details: Add an 'unknown' board type so that it is possible to differentiate between unknown and generic boards. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c index 42e57fd02d39..91f9e6a112ff 100644 --- a/sound/pci/bt87x.c +++ b/sound/pci/bt87x.c @@ -149,6 +149,7 @@ MODULE_PARM_DESC(load_all, "Allow to load the non-whitelisted cards"); /* Cards with configuration information */ enum snd_bt87x_boardid { + SND_BT87...
f189e14cc41a1fb7db225cacdb2df7498f5ad67a
Analyze and fix the following issue in the Linux kernel code: [ALSA] echoaudio - Remove superfluous volatile prefix
Problem Details: Remove superfluous volatile prefix in the communication struct definition. This eventually fixes the compile warnings with the recent gcc, too. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/echoaudio/echoaudio_dsp.h b/sound/pci/echoaudio/echoaudio_dsp.h index e55ee00991ac..e352f3ae292c 100644 --- a/sound/pci/echoaudio/echoaudio_dsp.h +++ b/sound/pci/echoaudio/echoaudio_dsp.h @@ -642,18 +642,18 @@ struct comm_page { /* Base Length*/ u32 flags; /* See Appendix A below ...
e8a7f136f5edb6ae83b14faaa0da2a3c4558f431
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-intel - Improve HD-audio codec probing robustness
Problem Details: When modem is disabled in the BIOS, detection of the number of codecs always fails after booting if STATESTS is not cleared first. This patch fixes this problem and also adds an error check in a place where a read error would lead to a very large number of pointless loops. Signed-off-by: Danny Tholen ...
```diff diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index e594de0b153e..535bcb7601b5 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -155,6 +155,8 @@ int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, unsigned int parm; parm = snd_hda_param_read(code...
768d8c7df886fc5cc9d6057cc987ef8e52d197b5
Analyze and fix the following issue in the Linux kernel code: [ALSA] pcxhr - Fix trigger start with non-linked streams
Problem Details: The non-linked streams couldn't be started properly due to missing setting of stream->status. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c index cd4613a97bd7..2d618bd7e62b 100644 --- a/sound/pci/pcxhr/pcxhr.c +++ b/sound/pci/pcxhr/pcxhr.c @@ -664,6 +664,7 @@ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) if (pcxhr_update_r_buffer(stream)) return -EINVAL; +...
bfc4e8616679226b1f113a46df491e233c8dc338
Analyze and fix the following issue in the Linux kernel code: [ALSA] Fix CS4270 volume control and optimize I2C operations
Problem Details: The volume control for the CS4270 ASoC driver was inverted - raising the volume level with alsamixer would decrease the actual volume. This patch also improves the performance of the I2C code (used to change register settings) by only performing an I2C write if the new value is different from the value...
```diff diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index 43d50a4d8089..5d601ad6da70 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -294,19 +294,24 @@ static unsigned int cs4270_read_reg_cache(struct snd_soc_codec *codec, static int cs4270_i2c_write(struct snd_soc_code...
503fc85a3b15b0e939ad9672e376ffc9c4840591
Analyze and fix the following issue in the Linux kernel code: [ALSA] Kill useless volatile in pcm.h
Problem Details: The volatile prefix is just useless there. Let's kill them, and then gcc will be happier, too. sound/acore/pcm.c:867: warning: passing argument 1 of ‘__constant_c_and_count_memset’ discards qualifiers from pointer target type Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kyse...
```diff diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 76b34b5841eb..805d7207f08b 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -301,8 +301,8 @@ struct snd_pcm_runtime { union snd_pcm_sync_id sync; /* hardware synchronization ID */ /* -- mmap -- */ - volatile struct snd_pcm_mmap_stat...
b9f09a485937d9c3fb524b2fa140fee1d94856d0
Analyze and fix the following issue in the Linux kernel code: [ALSA] Fix 'discards qualifiers' compile warnings in pcm.h
Problem Details: Fixed cast messes in pcm.h. include/sound/pcm.h: In function ‘hw_param_interval_c’: include/sound/pcm.h:800: warning: passing argument 1 of ‘hw_param_interval’ discards qualifiers from pointer target type Simply redefine the inline functions again for const pointers. Signed-off-by: Takashi Iwa...
```diff diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 27f8ef48b5ec..76b34b5841eb 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -791,13 +791,13 @@ static inline struct snd_interval *hw_param_interval(struct snd_pcm_hw_params *p static inline const struct snd_mask *hw_param_mask_c(const st...
d44df2d0f22a688f4f3af3e0d6cbcf9a4516e1b5
Analyze and fix the following issue in the Linux kernel code: [ALSA] ad1848/cs4231: replace commented out debug code with snd-printd{,d}
Problem Details: While I'm at it another 'while I'm there' -- replace commented out debug code with snd-printd{,d}. Signed-off-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index c10dfc10e67a..eee941be3b74 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -213,13 +213,14 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip) /* end of cleanup sequence */ for (timeout...
bc962efa6cd864d8bd29d2634da4ef14873d020c
Analyze and fix the following issue in the Linux kernel code: [ALSA] ad1848: replace HZ calculus with msecs_to_jiffies()
Problem Details: If I'm not mistaken, any (new) use of HZ these days is considered a bug so while I'm there... Signed-off-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index d454d11989f0..c10dfc10e67a 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -239,7 +239,7 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip) #if 0 printk("(2) jiffies = %li\n", jiffies);...
90cf9b853281a39555cce8a42fc0fabad75b42a8
Analyze and fix the following issue in the Linux kernel code: [ALSA] ad1838/cs4231 - fix MCE timeout upon initial load
Problem Details: When the ad1848/cs2431 is first being initialized, auto-calibration may not be set causing a timeout waiting for it in snd_ad1848/cs4231_mce_down(). This has no dire consequences other than an alarming printk, but since what we need to wait for is for the calibration to _finish_, let's just check for t...
```diff diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index f01e564b1238..d454d11989f0 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -229,16 +229,15 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip) spin_unlock_irqrestore(&chip->reg_lock, fla...
51c80cb65ff9b7bdf172f9075138793c2bce6883
Analyze and fix the following issue in the Linux kernel code: [ALSA] au88x0_synth.c bugfix
Problem Details: This patch fixes the code in vortex_wt_SetFrequency() to what seems to have been intended. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/au88x0/au88x0_synth.c b/sound/pci/au88x0/au88x0_synth.c index d3e662a1285d..978b856f5621 100644 --- a/sound/pci/au88x0/au88x0_synth.c +++ b/sound/pci/au88x0/au88x0_synth.c @@ -370,8 +370,8 @@ static void vortex_wt_SetFrequency(vortex_t * vortex, int wt, unsigned int sr) while ((edx & ...
3304cd361025e4d3fdad1971c93ddc05995a5d3a
Analyze and fix the following issue in the Linux kernel code: [ALSA] ad1848: fix AD1848P macro
Problem Details: Consistent variable naming is a good thing, but let's be a little less sneaky about enforcing it... ;-/ Signed-off-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index b2c3f00a9b35..ca0b6c35e5a9 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -27,7 +27,7 @@ /* IO ports */ -#define AD1848P( codec, x ) ( (chip) -> port + c_d_c_AD1848##x ) +#define AD1848P( chip, x ) ( (chip) -> port + c_...
b875bf3aaf743fb461ab97e07752fbd825c2d78f
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Add quirk entry for Casper CPR2000
Problem Details: Added the quirk entry for Casper CPR2000 (model=acer) with ALC268 codec (ALSA bug#3343). Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index f06494a97761..90ab518dfe53 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9100,6 +9100,7 @@ static struct snd_pci_quirk alc268_cfg_tbl[] = { SND_PCI_QUIRK(0x103c, 0x30cc, "TOSHIBA", ALC268_TOSH...
914759b79e28ce74606e99d9f6aaabeec58394ab
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Add support for ASUS A7M
Problem Details: Added the support for ASUS A7M with ALC882 codec. It's slightly different from ASUS A7J. The patch taken from ALSA bug#3000 https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3000 Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 412629d02dbb..8491b046a9f4 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -155,6 +155,7 @@ enum { ALC882_W2JC, ALC882_TARGA, ALC882_ASUS_A7J, + ALC882_ASUS_A7M, ALC885_MACPRO, ALC885_MBP...
af6c016ecfd908203217a2d78715adeaa51b003d
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix wrong pin config order in STAC92xx dell models
Problem Details: The last patch to change/add Dell models have wrong pin config orders. This patch fixes the pin positions. Taken from ALSA bug#3319, https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3319 Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 6dffa54e2da1..f843e2122a8b 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -563,8 +563,8 @@ static unsigned int ref9200_pin_configs[8] = { 102801E8 */ static unsigned int dell9200_d21_pi...
ba02946a903015840ef672ccc9dc8620a7e83de6
Analyze and fix the following issue in the Linux kernel code: [POWERPC] Fix handling of stfiwx math emulation
Problem Details: Its legal for the stfiwx instruction to have RA = 0 as part of its effective address calculation. This is illegal for all other XE form instructions. Add code to compute the proper effective address for stfiwx if RA = 0 rather than treating it as illegal. Signed-off-by: Kumar Gala <galak@kernel.cras...
```diff diff --git a/arch/powerpc/math-emu/math.c b/arch/powerpc/math-emu/math.c index 69058b2873de..381306bb1590 100644 --- a/arch/powerpc/math-emu/math.c +++ b/arch/powerpc/math-emu/math.c @@ -407,11 +407,16 @@ do_mathemu(struct pt_regs *regs) case XE: idx = (insn >> 16) & 0x1f; - if (!idx) - goto illegal; ...
7b85b4f088de8856c5cc5fee18630708ab28dfe8
Analyze and fix the following issue in the Linux kernel code: [ALSA] sun-cs4231: memory management fix
Problem Details: The chip structure is now allocated by snd_card_new() and it must not be released by separate kfree(). Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index ddc0f2e082d6..20daf261d03d 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -1865,8 +1865,6 @@ static int snd_cs4231_sbus_free(struct snd_cs4231 *chip) if (chip->port) sbus_iounmap(chip->port, chip->regs_size); - kfree(chip); -...
506ea68cd9e8899ac2b97f466956e670d60026dc
Analyze and fix the following issue in the Linux kernel code: [ALSA] cs5535audio: fix ACC_BM[x]_CMD register handling
Problem Details: According to 6.3.2.7 of the cs5535/cs5536 data sheets, the ACC_BM[x]_CMD registers are only 8 bits wide. This driver treats them as 32 bits wide, and also has bits in the wrong place. Simple fix to the definitions. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Takashi Iwai <tiwa...
```diff diff --git a/sound/pci/cs5535audio/cs5535audio.h b/sound/pci/cs5535audio/cs5535audio.h index c7a204467037..516219ad5e8f 100644 --- a/sound/pci/cs5535audio/cs5535audio.h +++ b/sound/pci/cs5535audio/cs5535audio.h @@ -62,11 +62,11 @@ #define EOP (1<<0) #define BM_EOP_ERR (1<<1) /* ACC_BMX_CTL */ -#define B...
222fa0b0d2fdb2373a71d532c2cabd2ec920b3b3
Analyze and fix the following issue in the Linux kernel code: [ALSA] cs5535audio: fix PRD register save/restore power management race
Problem Details: In the suspend path, we currently save the PRD registers and then disable DMA. This is racy; the sound hardware might update the PRD register as it finishes processing some DMA pages between when we've saved the PRD registers and when DMA actually gets disabled. Furthermore, we actively check whether ...
```diff diff --git a/sound/pci/cs5535audio/cs5535audio.h b/sound/pci/cs5535audio/cs5535audio.h index 4fd1f31a6cf9..c7a204467037 100644 --- a/sound/pci/cs5535audio/cs5535audio.h +++ b/sound/pci/cs5535audio/cs5535audio.h @@ -106,7 +106,6 @@ struct cs5535audio_dma { struct snd_pcm_substream *substream; unsigned int bu...
9e05b7a3d936ac5eb6c10291b69aee0af1ad03fb
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix support for sigmatel codecs that have 2 or more ADCs
Problem Details: 1) Create seperate mixer controls for each ADC 2) Make number of substreams of capture PCM device be equal to number of ADCs Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index a2b1dd54e2ef..6dffa54e2da1 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -413,11 +413,11 @@ static struct hda_verb stac9205_core_init[] = { {} }; -#define STAC_INPUT_SOURCE \ +#define ST...
d804ad9258c1460916a5e5854655a0dc543fd8a5
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-intel - Fix resume logic, when dynamic power managment is on
Problem Details: Comment in hda_intel.c states that 'the explicit resume is needed only when POWER_SAVE isn't set', but this is not true. There is no code that will automaticly power up the codec on resume, but only code that powers it up when user accesses it. So if user leaves a sound playing, codec will not be power...
```diff diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 08104e2a3e99..e594de0b153e 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2787,7 +2787,6 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state) return 0; } -#ifndef CONFIG_SND_HDA_POWER_SAVE /** ...
2e4924628ad957f702631a7a049c586a780f00f8
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-intel - fix a race in dynamic power managment
Problem Details: codec->power_transition is supposed to be true while codec is going to be shut off if in the mean time somebody calls snd_hda_power_up, hda_power_work will not shut down the codec, but nether will clear codec->power_transition, thus it stays on forever. Fix this. Signed-off-by: Maxim Levitsky <maximle...
```diff diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 46d4253642d7..08104e2a3e99 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2195,8 +2195,10 @@ static void hda_power_work(struct work_struct *work) struct hda_codec *codec = container_of(work, struct hda_code...
b7e054a76fdc42b442c003f8d19ee5dce6b55f02
Analyze and fix the following issue in the Linux kernel code: [ALSA] cmipci: show real chip name in card name
Problem Details: The '-MCx' suffix that is expected by alsa-lib is only needed in the card driver string, so we can show the actual chip name in the shortname. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 9149d00d1ad5..a8d6b54143fa 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -2852,6 +2852,7 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc unsigned int val; long iomidi; int integrated_midi = 0; + ch...
c480f79bdca58923e605ff5e4698cfe1779bae70
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Avoid zero NID in line_out_pins[] of STAC codecs
Problem Details: The STAC codes adds line_out_pins[] for shared mic/line-inputs accordingly. But, the current code may give a hole with NID=0 in some setting, which results in an error at probe. This patch fixes the problem. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 39187828503d..b4a1d73b5721 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1479,7 +1479,8 @@ static int stac92xx_add_dyn_out_pins(struct hda_codec *codec, struct auto_pin_cf case 3: /* ad...
dc81bed127a93e20d2100624273a27369738ffc7
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix wrong pin-setup at resume of STAC codecs
Problem Details: The resume procedure for STAC codecs overrides the cached values and results in the wrong (reset) PIN state. The patch gets rid of the overriding part and simplifies the resume. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 98144f93dff9..39187828503d 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2061,9 +2061,9 @@ static void enable_pin_detect(struct hda_codec *codec, hda_nid_t nid, unsigned int event)...
accbe4988c5cf3dc86f0a042396163ed279536a6
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix capture on ALC262 HP machines
Problem Details: Fix the index for Front Mic capture source on ALC262 HP machines. Also, added the new capture source list for HP BPC DC7000 series to work properly. From: zhejiang <zhe.jiang@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b3062afc481c..3557865dde38 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -7746,13 +7746,23 @@ static struct hda_input_mux alc262_HP_capture_source = { .num_items = 5, .items = { { "Mic", 0...
6534599d14892c5b0838b7170f071c850f5ea8e9
Analyze and fix the following issue in the Linux kernel code: [ALSA] hdspm - Fix autosync bug
Problem Details: * better report of speed mode change failures * autosync_ref control bugfix (was reporting pref_sync_ref instead) (changed HDSPM_AES32_AUTOSYNC_FROM_NONE value to comply with array indexing in snd_hdspm_info_autosync_ref()) * added support for master modes up to 192kHz (clock source control value...
```diff diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 30e0c4dc9484..f1bdda6cbcff 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -359,7 +359,7 @@ MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}"); #define HDSPM_AES32_AUTOSYNC_FROM_AES6 6 #define HDSPM_AES32_AUTOSYNC_FR...
d6c3cf81f05c8dd8e5e656d4bcb8d5f2569d0262
Analyze and fix the following issue in the Linux kernel code: [ALSA] ac97 - Suppress the reset of audio-codec from modem-codec at resume
Problem Details: On codec chips with both audio and modem functions (e.g. Conexant one), performing AC97_RESET resets the whole registers. When both audio and modem drivers are resumed at the same time, the modem one often is resumed after the audio, and it results in the reset of audio registers (ALSA bug#3333). This...
```diff diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index df1333332a5e..3e5ff29fc499 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -2496,7 +2496,10 @@ void snd_ac97_resume(struct snd_ac97 *ac97) snd_ac97_write(ac97, AC97_POWERDOWN, 0); if (! (ac97->flags ...
dfe495d0a51e20325b51760f34a2f53bfe1f3b52
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix Dell laptops support with STAC codecs
Problem Details: Fixed Dell laptops support with STAC92xx codecs. Many pin-config models are introduced. See ALSA-Configuration.txt for details. The patch taken from ALSA bug#3319, originally by Jorg Prante: https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3319 Signed-off-by: Takashi Iwai <tiwai@suse.de> Signe...
```diff diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 85b40057716d..38e775629c12 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -957,8 +957,19 @@ Prior to version 0.9.0rc4 option...
889c43955115ea7412d71335e3ceff6bad118dce
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix ALC268 unsol event
Problem Details: The unsol event of ALC268 is in the standard bit 26. Also, fixed the Acer master controls, and added Extensa 5210 to the quirk list. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 4cbd0e6e849d..b108ea3d99b3 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8500,7 +8500,7 @@ static struct hda_verb alc268_toshiba_verbs[] = { }; /* Acer specific */ -/* bind volumes of both N...
0724ea2a85a804e151d960359b599ae8a7c1cad1
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix mater mixer switch of ALC262 sony-amd model
Problem Details: Fixed the master mixer switch of ALC272 sony-amd model. It used a simple bind-control, but it resulted in unexpected unmute of speaker output. Now the control checks the HP jack state apropriately, just like fujitsu model. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <pe...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index db29ebea20b5..4cbd0e6e849d 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -7453,18 +7453,46 @@ static struct snd_kcontrol_new alc262_HP_BPC_WildWest_option_mixer[] = { { } /* end */ }; -stati...
1fcaee6ee212fc214c1327d788afa10899c22e3a
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-intel - Fix compile with gcc-3.x
Problem Details: gcc-3.x doesn't like forward inlining: CC [M] sound/pci/hda/hda_codec.o sound/pci/hda/hda_codec.c: In function 'snd_hda_codec_free': sound/pci/hda/hda_codec.c:517: sorry, unimplemented: inlining failed in call to 'free_hda_cache': function body not available sound/pci/hda/hda_codec.c:534: sorry, uni...
```diff diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index b1eee9a044fe..46d4253642d7 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -514,7 +514,7 @@ static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) static void init_hda_cache(struct hda_cache_re...
45c41b4868c9dbec5d43a4023e77994afa94470f
Analyze and fix the following issue in the Linux kernel code: [ALSA] cmipci: fix handling of FM/MIDI port addresses
Problem Details: Make sure that the MPU-401 MIDI and OPL-3 FM devices are used only on those chips where they are supported, and that the correct port addresses are used. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 3df33ea8bae6..85b40057716d 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -365,13 +365,15 @@ Prior to version 0.9.0rc4 optio...