* [PATCH linux-cr] s390: save_access_regs for self-checkpoint
@ 2010-02-25 17:05 Serge E. Hallyn
[not found] ` <20100225170554.GA16683-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Serge E. Hallyn @ 2010-02-25 17:05 UTC (permalink / raw)
To: Oren Laadan; +Cc: Linux Containers
When doing a self-checkpoint, we have to get the access registers
from hw.
Signed-off-by: Serge E. Hallyn <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
---
arch/s390/kernel/checkpoint.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/s390/kernel/checkpoint.c b/arch/s390/kernel/checkpoint.c
index 03307e2..894bca3 100644
--- a/arch/s390/kernel/checkpoint.c
+++ b/arch/s390/kernel/checkpoint.c
@@ -79,7 +79,11 @@ static void s390_copy_regs(int op, struct ckpt_hdr_cpu *h,
}
CKPT_COPY_ARRAY(op, h->fprs, thr->fp_regs.fprs, NUM_FPRS);
- CKPT_COPY_ARRAY(op, h->acrs, thr->acrs, NUM_ACRS);
+ if (op == CKPT_CPT && t == current) {
+ save_access_regs(h->acrs);
+ } else {
+ CKPT_COPY_ARRAY(op, h->acrs, thr->acrs, NUM_ACRS);
+ }
CKPT_COPY_ARRAY(op, h->per_control_regs,
thr->per_info.control_regs.words.cr, NUM_CR_WORDS);
}
--
1.6.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH linux-cr] s390: save_access_regs for self-checkpoint
[not found] ` <20100225170554.GA16683-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
@ 2010-03-01 19:20 ` Oren Laadan
0 siblings, 0 replies; 2+ messages in thread
From: Oren Laadan @ 2010-03-01 19:20 UTC (permalink / raw)
To: Serge E. Hallyn; +Cc: Linux Containers
Applied
Serge E. Hallyn wrote:
> When doing a self-checkpoint, we have to get the access registers
> from hw.
>
> Signed-off-by: Serge E. Hallyn <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
> ---
> arch/s390/kernel/checkpoint.c | 6 +++++-
> 1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/arch/s390/kernel/checkpoint.c b/arch/s390/kernel/checkpoint.c
> index 03307e2..894bca3 100644
> --- a/arch/s390/kernel/checkpoint.c
> +++ b/arch/s390/kernel/checkpoint.c
> @@ -79,7 +79,11 @@ static void s390_copy_regs(int op, struct ckpt_hdr_cpu *h,
> }
>
> CKPT_COPY_ARRAY(op, h->fprs, thr->fp_regs.fprs, NUM_FPRS);
> - CKPT_COPY_ARRAY(op, h->acrs, thr->acrs, NUM_ACRS);
> + if (op == CKPT_CPT && t == current) {
> + save_access_regs(h->acrs);
> + } else {
> + CKPT_COPY_ARRAY(op, h->acrs, thr->acrs, NUM_ACRS);
> + }
> CKPT_COPY_ARRAY(op, h->per_control_regs,
> thr->per_info.control_regs.words.cr, NUM_CR_WORDS);
> }
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-02-25 17:05 [PATCH linux-cr] s390: save_access_regs for self-checkpoint Serge E. Hallyn
[not found] ` <20100225170554.GA16683-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-03-01 19:20 ` Oren Laadan
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