This is a note to let you know that I've just added the patch titled
arm64: vdso: update wtm fields for CLOCK_MONOTONIC_COARSE
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm64-vdso-update-wtm-fields-for-clock_monotonic_coarse.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d4022a335271a48cce49df35d825897914fbffe3 Mon Sep 17 00:00:00 2001
From: Nathan Lynch <nathan_lynch@xxxxxxxxxx>
Date: Mon, 3 Feb 2014 19:48:52 +0000
Subject: arm64: vdso: update wtm fields for CLOCK_MONOTONIC_COARSE
From: Nathan Lynch <nathan_lynch@xxxxxxxxxx>
commit d4022a335271a48cce49df35d825897914fbffe3 upstream.
Update wall-to-monotonic fields in the VDSO data page
unconditionally. These are used to service CLOCK_MONOTONIC_COARSE,
which is not guarded by use_syscall.
Signed-off-by: Nathan Lynch <nathan_lynch@xxxxxxxxxx>
Acked-by: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm64/kernel/vdso.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -235,6 +235,8 @@ void update_vsyscall(struct timekeeper *
vdso_data->use_syscall = use_syscall;
vdso_data->xtime_coarse_sec = xtime_coarse.tv_sec;
vdso_data->xtime_coarse_nsec = xtime_coarse.tv_nsec;
+ vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec;
+ vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec;
if (!use_syscall) {
vdso_data->cs_cycle_last = tk->clock->cycle_last;
@@ -242,8 +244,6 @@ void update_vsyscall(struct timekeeper *
vdso_data->xtime_clock_nsec = tk->xtime_nsec;
vdso_data->cs_mult = tk->mult;
vdso_data->cs_shift = tk->shift;
- vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec;
- vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec;
}
smp_wmb();
Patches currently in stable-queue which might be from nathan_lynch@xxxxxxxxxx are
queue-3.10/arm64-vdso-fix-coarse-clock-handling.patch
queue-3.10/arm64-vdso-update-wtm-fields-for-clock_monotonic_coarse.patch
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