On Wed, 29 Aug 2018, Matthew Rickard wrote:
> Here are the before and after times with CONFIG_RETPOLINE=y always on.
> I don't see any regression, just the hoped-for improvement on glibc and
> vDSO calls of CLOCK_TAI.
>
> Before:
>sec Timestamp nanos clocknametzname
Here are the before and after times with CONFIG_RETPOLINE=y always on.
I don't see any regression, just the hoped-for improvement on glibc and
vDSO calls of CLOCK_TAI.
Before:
sec Timestamp nanos clocknametzname type
-- --- - --
On Fri, Aug 24, 2018 at 10:47 AM, Andy Lutomirski wrote:
> Minor nit: if it's not literally a resend, don't call it "RESEND" in
> $SUBJECT. Call it v2, please.
>
> Also, I added LKML and relevant maintainers to cc. John and Stephen:
> this is a purely x86 patch, but it digs into the core timekee
Minor nit: if it's not literally a resend, don't call it "RESEND" in
$SUBJECT. Call it v2, please.
Also, I added LKML and relevant maintainers to cc. John and Stephen:
this is a purely x86 patch, but it digs into the core timekeeping
structures a bit.
On Fri, Aug 17, 2018 at 5:12 AM, Matt Ricka
Hi Matt,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/x86/vdso]
[also build test ERROR on v4.18 next-20180817]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits
Hi Matt,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/x86/vdso]
[also build test ERROR on v4.18 next-20180817]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits
Process clock_gettime(CLOCK_TAI) in vDSO. This makes the call about as fast as
CLOCK_REALTIME instead of taking about four times as long.
Signed-off-by: Matt Rickard
---
arch/x86/entry/vdso/vclock_gettime.c| 25 +
arch/x86/entry/vsyscall/vsyscall_gtod.c | 2 ++
arch/
Process clock_gettime(CLOCK_TAI) in vDSO. This makes the call about as fast as
CLOCK_REALTIME instead of taking about four times as long.
Signed-off-by: Matt Rickard
---
0 files changed
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