From: Zachary Amsden <zamsden@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>, kvm <kvm@vger.kernel.org>
Subject: [PATCH] fix kvm-kmod FPU save API
Date: Fri, 11 Jun 2010 14:46:25 -1000 [thread overview]
Message-ID: <4C12D8E1.2020101@redhat.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 47 bytes --]
Ensure the save struct gets 16-byte alignment.
[-- Attachment #2: 0001-Align-FPU-save-struct-to-16-bytes.patch --]
[-- Type: text/plain, Size: 786 bytes --]
>From e08c7f6ec354b9605f6dba9771eb76aadd5a71f8 Mon Sep 17 00:00:00 2001
From: Zachary Amsden <zamsden@redhat.com>
Date: Fri, 11 Jun 2010 14:43:21 -1000
Subject: [PATCH] Align FPU save struct to 16-bytes
Otherwise, we get a #GP
Signed-off-by: Zachary Amsden <zamsden@redhat.com>
---
x86/external-module-compat.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/x86/external-module-compat.h b/x86/external-module-compat.h
index 708517b..d7b0538 100644
--- a/x86/external-module-compat.h
+++ b/x86/external-module-compat.h
@@ -835,7 +835,7 @@ struct kvm_i387_fxsave_struct {
#else
u32 xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
#endif
-};
+} __aligned(16);
union kvm_thread_xstate {
struct kvm_i387_fxsave_struct fxsave;
--
1.7.0.1
next reply other threads:[~2010-06-12 0:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-12 0:46 Zachary Amsden [this message]
2010-06-12 8:56 ` [PATCH] fix kvm-kmod FPU save API Jan Kiszka
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