Messages in this thread | | | From | Will Deacon <> | Subject | [PATCH v3 0/5] Switch arm64 over to qrwlock | Date | Thu, 12 Oct 2017 13:20:46 +0100 |
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Hello,
This is version three of the patches previously posted here:
v1: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-October/534666.html v2: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-October/534981.html
Changes since v2 include:
* Drop unused cnt argument * Fix typo in UNLOCK Kconfig inlining options * Added Tested-by tags
Thanks to all of those who provided review and testing feedback!
Will
--->8
Will Deacon (5): kernel/locking: Use struct qrwlock instead of struct __qrwlock locking/atomic: Add atomic_cond_read_acquire kernel/locking: Use atomic_cond_read_acquire when spinning in qrwlock arm64: locking: Move rwlock implementation over to qrwlocks kernel/locking: Prevent slowpath writers getting held up by fastpath
arch/arm64/Kconfig | 17 ++++ arch/arm64/include/asm/Kbuild | 1 + arch/arm64/include/asm/spinlock.h | 164 +------------------------------- arch/arm64/include/asm/spinlock_types.h | 6 +- include/asm-generic/atomic-long.h | 3 + include/asm-generic/qrwlock.h | 37 ++----- include/asm-generic/qrwlock_types.h | 15 ++- include/linux/atomic.h | 4 + kernel/locking/qrwlock.c | 86 +++-------------- 9 files changed, 61 insertions(+), 272 deletions(-)
-- 2.1.4
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