* Michael Kerrisk (man-pages) <mtk.manpages@xxxxxxxxx> wrote (on 2017-12-30 09:47:16 +0100): > Hello Santosh, > > On 12/23/2017 04:13 AM, Santosh Sivaraj wrote: > > * Michael Kerrisk (man-pages) <mtk.manpages@xxxxxxxxx> wrote (on 2017-12-22 10:36:53 +0100): > > > > Hi Michael, > > > >> Hi Santosh > >> > >> On 12/22/2017 01:26 AM, Santosh Sivaraj wrote: > >>> *_COARSE clocks are now supported in the __kernel_clock_gettime interface in > >>> PPC64. No longer falls back to the real system call. > >> > >> Can you tell me the kernel version where this change was > >> made? It would be useful to include that in the text, I think. > >> In fact, if you knew the kernel commit that made the change, > >> that would also be of interest. > > > > The commit is currently in the PPC next tree. It should go to the mainline in > > the 3.16 merge timeframe. > > Ahhh -- that info would have saved me quite some time hunting through source > code in order to try to verify the statements in the patch! > > So, would you be able to remind me about this when (if) the patch actually > goes into 3.16? > Hi Michael, The vdso COARSE clock patch is currently merged in the mainline. The commit is 5c929885f1bb4b77f85b1769c49405a0e0f154a1. You want me to include the commit in the patch too? Thanks, Santosh > Thanks, > > Michael > > > > git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git > > > > The commit ID in next tree is: 5c929885f1bb4b77f85b1769c49405a0e0f154a1 > > > > https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=5c929885f1bb4b77f85b1769c49405a0e0f154a1 > > > > If needed I can mention the commit once its merged into the mainline and > > resend the patch. > > > >> > >> Also, your patch changes just the entry for ppc/64. Does > >> the same statement hold true for ppc/32? > > > > No, changes are made only for vdso64. > > > > Thanks, > > Santosh > >> > >> Thanks, > >> > >> Michael > >> > >> > >>> CC: Michael Kerrisk <mtk.manpages@xxxxxxxxx> > >>> CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > >>> Signed-off-by: Santosh Sivaraj <santosh@xxxxxxxxxx> > >>> --- > >>> man7/vdso.7 | 4 +--- > >>> 1 file changed, 1 insertion(+), 3 deletions(-) > >>> > >>> diff --git a/man7/vdso.7 b/man7/vdso.7 > >>> index 9af02a8aa..c7399939c 100644 > >>> --- a/man7/vdso.7 > >>> +++ b/man7/vdso.7 > >>> @@ -438,9 +438,7 @@ clocks are > >>> .I not > >>> supported by the > >>> .I __kernel_clock_getres > >>> -and > >>> -.I __kernel_clock_gettime > >>> -interfaces; > >>> +interface; > >>> the kernel falls back to the real system call. > >>> .SS s390 functions > >>> .\" See linux/arch/s390/kernel/vdso32/vdso32.lds.S > >>> > > --
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