Messages in this thread | | | Subject | Re: [PATCH v3 0/5] Switch arm64 over to qrwlock | From | "chengjian (D)" <> | Date | Sat, 28 Oct 2017 14:10:02 +0800 |
| |
Hi, all.
On 2017/10/20 0:53, Will Deacon wrote: > I've not had any more feedback on this and the testing results are very > encouraging so I'd like to merge it for 4.15. However, it might make more > sense for the whole thing to go via -tip instead. > > Ingo, Peter: what do you prefer? > > Will > >> 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
I am very interested in this change. Can you share the testing result for me? Or Test methods, especially test suite and so on.
I would like to further test the performance.
Thanks. Cheng Jian
| |