locking/mutex: Rewrite basic mutex
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- v1 Latest8 patches 46 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/8 | locking/drm: Kill mutex trickerydrivers/ drivers/ | +6 | 17 replies | |
| 2/8 | locking/mutex: Rework mutex::ownerinclude/ include/ kernel/ +4 more | +187 | 3 replies | |
| 3/8 | locking/mutex: Kill arch specific codearch/ arch/ arch/ +35 more | +0 | 0 replies | |
| 4/8 | locking/mutex: Allow MUTEX_SPIN_ON_OWNER when DEBUG_MUTEXESkernel/ | +1 | 0 replies | |
| 5/8 | locking/mutex: Add lock handoff to avoid starvationkernel/ | +119 | 11 replies | |
| 6/8 | locking/mutex: Restructure wait loopkernel/ | +25 | 13 replies | |
| 7/8 | locking/mutex: Simplify some ww_mutex code in __mutex_lock_common()kernel/ | +4 | 0 replies | |
| 8/8 | locking/mutex: Enable optimistic spinning of woken waiterkernel/ | +54 | 4 replies |
Reviews trailers per patch
2 of 8 patches have a Reviewed-by or Acked-by.
| Patch | Jason Low | Will Deacon | Waiman Long | Chris Wilson |
|---|---|---|---|---|
| Series | T-b | |||
| 1/8 | ||||
| 2/8 | R-b | |||
| 3/8 | ||||
| 4/8 | ||||
| 5/8 | R-b | T-b | ||
| 6/8 | Requested-by | |||
| 7/8 | ||||
| 8/8 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes. Scroll the table sideways for all 4 reviewers.
Cover letter [PATCH -v4 0/8] locking/mutex: Rewrite basic mutex
Hi all,
Since you all should not be sending patches during the merge window, I figured I should to keep you all occupied with something.
Please review, test and otherwise try to break these here patches.
I would like to get these patches into -tip (and -next) once the merge window closes, so please spend these quiet days staring at this stuff.
Small changes only, mostly the handoff logic as suggested by Waiman last time.
--- arch/alpha/include/asm/mutex.h | 9 - arch/arc/include/asm/mutex.h | 18 - arch/arm/include/asm/mutex.h | 21 -- arch/arm64/include/asm/Kbuild | 1 - arch/avr32/include/asm/mutex.h | 9 - arch/blackfin/include/asm/Kbuild | 1 - arch/c6x/include/asm/mutex.h | 6 - arch/cris/include/asm/mutex.h | 9 - arch/frv/include/asm/mutex.h | 9 - arch/h8300/include/asm/mutex.h | 9 - arch/hexagon/include/asm/mutex.h | 8 - arch/ia64/include/asm/mutex.h | 90 ----- arch/m32r/include/asm/mutex.h | 9 - arch/m68k/include/asm/Kbuild | 1 - arch/metag/include/asm/Kbuild | 1 - arch/microblaze/include/asm/mutex.h | 1 - arch/mips/include/asm/Kbuild | 1 - arch/mn10300/include/asm/mutex.h | 16 - arch/nios2/include/asm/mutex.h | 1 - arch/openrisc/include/asm/mutex.h | 27 -- arch/parisc/include/asm/Kbuild | 1 - arch/powerpc/include/asm/mutex.h | 132 ------- arch/s390/include/asm/mutex.h | 9 - arch/score/include/asm/mutex.h | 6 - arch/sh/include/asm/mutex-llsc.h | 109 ------ arch/sh/include/asm/mutex.h | 12 - arch/sparc/include/asm/Kbuild | 1 - arch/tile/include/asm/Kbuild | 1 - arch/um/include/asm/Kbuild | 1 - arch/unicore32/include/asm/mutex.h | 20 -- arch/x86/include/asm/mutex.h | 5 - arch/x86/include/asm/mutex_32.h | 110 ------ arch/x86/include/asm/mutex_64.h | 127 ------- arch/xtensa/include/asm/mutex.h | 9 - drivers/gpu/drm/i915/i915_gem_shrinker.c | 26 +- drivers/gpu/drm/msm/msm_gem_shrinker.c | 23 +- include/asm-generic/mutex-dec.h | 88 ----- include/asm-generic/mutex-null.h | 19 -- include/asm-generic/mutex-xchg.h | 120 ------- include/asm-generic/mutex.h | 9 - include/linux/mutex-debug.h | 24 -- include/linux/mutex.h | 46 ++- kernel/Kconfig.locks | 2 +- kernel/locking/mutex-debug.c | 13 - kernel/locking/mutex-debug.h | 10 - kernel/locking/mutex.c | 569 ++++++++++++++++++------------- kernel/locking/mutex.h | 26 -- kernel/sched/core.c | 2 +- 48 files changed, 364 insertions(+), 1403 deletions(-)