Re: [PATCH v3 01/18] x86/tsc: Inline native_read_tsc and remove __native_read_tsc

Borislav Petkov
2015-06-17T09:27:08Z

On Tue, Jun 16, 2015 at 05:35:49PM -0700, Andy Lutomirski wrote:
> In cdc7957d1954 ("x86: move native_read_tsc() offline"),
> native_read_tsc was moved out of line, presumably for some
> now-obsolete vDSO-related reason. Undo it.
>
> The entire rdtsc, shl, or sequence is only 11 bytes, and calls via
> rdtscl and similar helpers were already inlined.
>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
> ---
> arch/x86/entry/vdso/vclock_gettime.c | 2 +-
> arch/x86/include/asm/msr.h | 8 +++-----
> arch/x86/include/asm/pvclock.h | 2 +-
> arch/x86/include/asm/stackprotector.h | 2 +-
> arch/x86/include/asm/tsc.h | 2 +-
> arch/x86/kernel/apb_timer.c | 4 ++--
> arch/x86/kernel/tsc.c | 6 ------
> 7 files changed, 9 insertions(+), 17 deletions(-)

Acked-by: Borislav Petkov <bp@suse.de>

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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