Re: [linux-next:master] [fs] d91ea8195e: stress-ng.ring-pipe.ops_per_sec -5.1% regression (stress-ng.ring-pipe.pipe_read+write_calls_per_sec 7.3% improvement)

2024-10-15 Thread Eric Biggers
On Wed, Oct 16, 2024 at 10:19:25AM +0800, kernel test robot wrote: > kernel test robot noticed a -5.1% regression of > stress-ng.ring-pipe.ops_per_sec These emails that talk about negative regressions keep confusing me. A negative regression would be an improvement. But that is not actually wha

Re: [PATCH RESEND v2 07/19] fscrypt: Include in fs/crypto/keyring.c

2024-09-10 Thread Eric Biggers
On Mon, Sep 09, 2024 at 09:53:50AM +0200, Uros Bizjak wrote: > Include header to allow the removal of legacy > inclusion of from . > > Signed-off-by: Uros Bizjak > Cc: Eric Biggers > Cc: "Theodore Y. Ts'o" > Cc: Jaegeuk Kim > --- > v2: Include in

Re: [Intel-gfx] [PATCH RFC PKS/PMEM 22/58] fs/f2fs: Utilize new kmap_thread()

2020-10-12 Thread Eric Biggers
On Sun, Oct 11, 2020 at 11:56:35PM -0700, Ira Weiny wrote: > > > > And I still don't really understand. After this patchset, there is still > > code > > nearly identical to the above (doing a temporary mapping just for a memcpy) > > that > > would still be using kmap_atomic(). > > I don't unde

Re: [Intel-gfx] [PATCH RFC PKS/PMEM 22/58] fs/f2fs: Utilize new kmap_thread()

2020-10-12 Thread Eric Biggers
On Sat, Oct 10, 2020 at 01:39:54AM +0100, Matthew Wilcox wrote: > On Fri, Oct 09, 2020 at 02:34:34PM -0700, Eric Biggers wrote: > > On Fri, Oct 09, 2020 at 12:49:57PM -0700, ira.we...@intel.com wrote: > > > The kmap() calls in this FS are localized to a single thread. To avoid &

Re: [Intel-gfx] [PATCH RFC PKS/PMEM 22/58] fs/f2fs: Utilize new kmap_thread()

2020-10-09 Thread Eric Biggers
On Fri, Oct 09, 2020 at 12:49:57PM -0700, ira.we...@intel.com wrote: > From: Ira Weiny > > The kmap() calls in this FS are localized to a single thread. To avoid > the over head of global PKRS updates use the new kmap_thread() call. > > Cc: Jaegeuk Kim > Cc: Chao Yu > Signed-off-by: Ira Weiny