From: "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
Cc: Linux Containers <containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>
Subject: [PATCH linux-cr] s390: save_access_regs for self-checkpoint
Date: Thu, 25 Feb 2010 11:05:54 -0600 [thread overview]
Message-ID: <20100225170554.GA16683@us.ibm.com> (raw)
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
next reply other threads:[~2010-02-25 17:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-25 17:05 Serge E. Hallyn [this message]
[not found] ` <20100225170554.GA16683-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-03-01 19:20 ` [PATCH linux-cr] s390: save_access_regs for self-checkpoint Oren Laadan
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