All of lore.kernel.org
 help / color / mirror / Atom feed
From: Avi Kivity <avi@redhat.com>
To: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>
Cc: jeremy@goop.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: [PATCH 4/4] x86: Move NMI back to interrupt stack
Date: Fri, 26 Dec 2008 16:22:24 +0200	[thread overview]
Message-ID: <1230301344-570-5-git-send-email-avi@redhat.com> (raw)
In-Reply-To: <1230301344-570-1-git-send-email-avi@redhat.com>

Now that interrupt stack switching is atomic, we can move the NMI handler
to the interrupt stack.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kernel/entry_64.S |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 61c54d9..3d45880 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1496,7 +1496,7 @@ ENTRY(nmi)
 	/* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */
 	movq %rsp,%rdi
 	movq $-1,%rsi
-	call do_nmi
+	call_in_irqstack do_nmi
 #ifdef CONFIG_TRACE_IRQFLAGS
 	/* paranoidexit; without TRACE_IRQS_OFF */
 	/* ebx:	no swapgs flag */
-- 
1.6.0.6


  parent reply	other threads:[~2008-12-26 14:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-26 14:22 [PATCH 0/4] Remove interrupt stack table usage from x86_64 kernel (v2) Avi Kivity
2008-12-26 14:22 ` [PATCH 1/4] x86: drop the use of the tss interrupt stack table (IST) Avi Kivity
2008-12-26 14:22 ` [PATCH 2/4] x86: Consolidate irq stack switching to a single macro Avi Kivity
2008-12-26 14:22 ` [PATCH 3/4] x86: Make interrupt stack switching atomic Avi Kivity
2008-12-26 14:22 ` Avi Kivity [this message]
2008-12-26 14:35 ` [PATCH 0/4] Remove interrupt stack table usage from x86_64 kernel (v2) Ingo Molnar
2008-12-26 14:38   ` Ingo Molnar
2008-12-27 21:42     ` Avi Kivity

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1230301344-570-5-git-send-email-avi@redhat.com \
    --to=avi@redhat.com \
    --cc=hpa@zytor.com \
    --cc=jeremy@goop.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.