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From: tip-bot for Brian Gerst <brgerst@gmail.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
	brgerst@gmail.com, tglx@linutronix.de, mingo@elte.hu
Subject: [tip:x86/asm] x86, 64-bit: Fix bstep_iret jump
Date: Wed, 4 Nov 2009 06:33:42 GMT	[thread overview]
Message-ID: <tip-97829de5a3b88899c5f3ac8802d11868bf4180ba@git.kernel.org> (raw)
In-Reply-To: <1257274925-15713-1-git-send-email-brgerst@gmail.com>

Commit-ID:  97829de5a3b88899c5f3ac8802d11868bf4180ba
Gitweb:     http://git.kernel.org/tip/97829de5a3b88899c5f3ac8802d11868bf4180ba
Author:     Brian Gerst <brgerst@gmail.com>
AuthorDate: Tue, 3 Nov 2009 14:02:05 -0500
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Tue, 3 Nov 2009 20:50:02 +0100

x86, 64-bit: Fix bstep_iret jump

This jump should be unconditional.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
LKML-Reference: <1257274925-15713-1-git-send-email-brgerst@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 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 af0f4b2..1579a6c 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1501,7 +1501,7 @@ error_kernelspace:
 bstep_iret:
 	/* Fix truncated RIP */
 	movq %rcx,RIP+8(%rsp)
-	je error_swapgs
+	jmp error_swapgs
 END(error_entry)
 
 

      reply	other threads:[~2009-11-04  6:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-03 17:55 [PATCH] x86, 64-bit: Move K8 B step iret fixup to fault entry asm (v2) Brian Gerst
2009-11-03 18:10 ` Ingo Molnar
2009-11-03 18:39   ` Brian Gerst
2009-11-03 19:02   ` [PATCH] x86, 64-bit: Fix bstep_iret jump Brian Gerst
2009-11-04  6:33     ` tip-bot for Brian Gerst [this message]

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