Subject: + rwsem-support-optimistic-spinning-fix.patch added to -mm tree
To: davidlohr@xxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 19 May 2014 12:49:38 -0700
The patch titled
Subject: rwsem-support-optimistic-spinning-fix
has been added to the -mm tree. Its filename is
rwsem-support-optimistic-spinning-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/rwsem-support-optimistic-spinning-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/rwsem-support-optimistic-spinning-fix.patch
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------------------------------------------------------
From: Davidlohr Bueso <davidlohr@xxxxxx>
Subject: rwsem-support-optimistic-spinning-fix
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/rwsem.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/rwsem.h~rwsem-support-optimistic-spinning-fix include/linux/rwsem.h
--- a/include/linux/rwsem.h~rwsem-support-optimistic-spinning-fix
+++ a/include/linux/rwsem.h
@@ -64,7 +64,7 @@ static inline int rwsem_is_locked(struct
# define __RWSEM_DEP_MAP_INIT(lockname)
#endif
-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) && defined(CONFIG_RWSEM_XCHGADD_ALGORITHM)
#define __RWSEM_INITIALIZER(name) \
{ RWSEM_UNLOCKED_VALUE, \
__RAW_SPIN_LOCK_UNLOCKED(name.wait_lock), \
_
Patches currently in -mm which might be from davidlohr@xxxxxx are
mmvmacache-add-debug-data.patch
mmvmacache-optimize-overflow-system-wide-flushing.patch
mm-pass-vm_bug_on-reason-to-dump_page.patch
mm-pass-vm_bug_on-reason-to-dump_page-fix.patch
hugetlb-prep_compound_gigantic_page-drop-__init-marker.patch
hugetlb-add-hstate_is_gigantic.patch
hugetlb-update_and_free_page-dont-clear-pg_reserved-bit.patch
hugetlb-move-helpers-up-in-the-file.patch
hugetlb-add-support-for-gigantic-page-allocation-at-runtime.patch
m68k-call-find_vma-with-the-mmap_sem-held-in-sys_cacheflush.patch
mips-call-find_vma-with-the-mmap_sem-held.patch
arc-call-find_vma-with-the-mmap_sem-held.patch
arc-call-find_vma-with-the-mmap_sem-held-fix.patch
drm-exynos-call-find_vma-with-the-mmap_sem-held.patch
mm-hugetlb-move-the-error-handle-logic-out-of-normal-code-path.patch
ipc-constify-ipc_ops.patch
ipc-shmc-check-for-ulong-overflows-in-shmat.patch
ipc-shmc-check-for-overflows-of-shm_tot.patch
ipc-shmc-check-for-integer-overflow-during-shmget.patch
ipc-shmc-increase-the-defaults-for-shmall-shmmax.patch
ipcshm-document-new-limits-in-the-uapi-header.patch
ipcshm-document-new-limits-in-the-uapi-header-v2.patch
ipcshm-document-new-limits-in-the-uapi-header-v3.patch
ipcmsg-use-current-state-helpers.patch
ipcmsg-move-some-msgq-ns-code-around.patch
ipcmsg-always-respect-msg_noerror.patch
ipcmsg-document-volatile-r_msg.patch
linux-next.patch
blackfin-ptrace-call-find_vma-with-the-mmap_sem-held.patch
rwsem-support-optimistic-spinning.patch
rwsem-support-optimistic-spinning-checkpatch-fixes.patch
rwsem-support-optimistic-spinning-fix.patch
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