On Mon, Apr 08, 2013 at 11:05:50AM -0300, Adhemerval Zanella wrote: > On 04/05/2013 03:21 AM, Michael Ellerman wrote: > > On Tue, Mar 19, 2013 at 04:55:31PM -0300, Adhemerval Zanella wrote: > >> Hi all, > >> > >> This patch implement the time syscall as vDSO. I have a glibc patch > >> to use it as IFUNC (as latest gettimeofday patch). Below the perf > >> numbers: > >> > >> Baseline PPC32: 380 nsec > >> Baseline PPC64: 352 nsec > >> vdso PPC32: 20 nsec > >> vdso PPC64: 20 nsec > >> > >> I focused on 64 bit kernel, do I need to provide a scheme for 32 bits > >> as well? > > You did provide a 32-bit implementation. I take it you haven't tested > > that though? Can you test it? > > Hi, > > I didn't build a 32 bit kernel, but I tested 32 bits binaries (that uses > the VDSO32 implantation) without any issue. Performance gains are similar.
OK. Please send an updated version of the patch which a changelog describing the testing you've done, and add your Signed-off-by to the patch. cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev