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* [Qemu-devel] [PATCH] fixed bug in SVM_EXIT_MSR handlers MSR bitmap lookup for low order MSRs
@ 2009-09-17 20:13 John R. Lange
  2009-09-30 19:19 ` Anthony Liguori
  0 siblings, 1 reply; 3+ messages in thread
From: John R. Lange @ 2009-09-17 20:13 UTC (permalink / raw)
  To: qemu-devel

[-- Attachment #1: Type: TEXT/PLAIN, Size: 736 bytes --]


It looks like there was a minor calculation error in the SVM_EXIT_MSR bitmap lookup.

---
  target-i386/op_helper.c |    2 +-
  1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index c3f5af6..dcee7a3 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -5209,7 +5209,7 @@ void helper_svm_check_intercept_param(uint32_t type, uint64_t param)
              switch((uint32_t)ECX) {
              case 0 ... 0x1fff:
                  t0 = (ECX * 2) % 8;
-                t1 = ECX / 8;
+                t1 = (ECX * 2) / 8;
                  break;
              case 0xc0000000 ... 0xc0001fff:
                  t0 = (8192 + ECX - 0xc0000000) * 2;
-- 
1.6.0.2

[-- Attachment #2: Type: TEXT/PLAIN, Size: 910 bytes --]

From 37ae301634c1d535f77b879dae48e68abb6e69ba Mon Sep 17 00:00:00 2001
From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Thu, 17 Sep 2009 13:43:14 -0500
Subject: [PATCH] fixed bug in SVM_EXIT_MSR handler's bitmap lookup for low order MSRs

---
 target-i386/op_helper.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index c3f5af6..dcee7a3 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -5209,7 +5209,7 @@ void helper_svm_check_intercept_param(uint32_t type, uint64_t param)
             switch((uint32_t)ECX) {
             case 0 ... 0x1fff:
                 t0 = (ECX * 2) % 8;
-                t1 = ECX / 8;
+                t1 = (ECX * 2) / 8;
                 break;
             case 0xc0000000 ... 0xc0001fff:
                 t0 = (8192 + ECX - 0xc0000000) * 2;
-- 
1.6.0.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread
* [Qemu-devel] [PATCH] fixed bug in SVM_EXIT_MSR handlers MSR bitmap lookup for low order MSRs
@ 2009-09-18 18:11 John R. Lange
  0 siblings, 0 replies; 3+ messages in thread
From: John R. Lange @ 2009-09-18 18:11 UTC (permalink / raw)
  To: qemu-devel

[-- Attachment #1: Type: TEXT/PLAIN, Size: 737 bytes --]


It looks like there was a minor calculation error in the SVM_EXIT_MSR bitmap
lookup.

---
  target-i386/op_helper.c |    2 +-
  1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index c3f5af6..dcee7a3 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -5209,7 +5209,7 @@ void helper_svm_check_intercept_param(uint32_t type, 
uint64_t param)
              switch((uint32_t)ECX) {
              case 0 ... 0x1fff:
                  t0 = (ECX * 2) % 8;
-                t1 = ECX / 8;
+                t1 = (ECX * 2) / 8;
                  break;
              case 0xc0000000 ... 0xc0001fff:
                  t0 = (8192 + ECX - 0xc0000000) * 2;
-- 
1.6.0.2

[-- Attachment #2: Type: TEXT/PLAIN, Size: 910 bytes --]

From 37ae301634c1d535f77b879dae48e68abb6e69ba Mon Sep 17 00:00:00 2001
From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Thu, 17 Sep 2009 13:43:14 -0500
Subject: [PATCH] fixed bug in SVM_EXIT_MSR handler's bitmap lookup for low order MSRs

---
 target-i386/op_helper.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index c3f5af6..dcee7a3 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -5209,7 +5209,7 @@ void helper_svm_check_intercept_param(uint32_t type, uint64_t param)
             switch((uint32_t)ECX) {
             case 0 ... 0x1fff:
                 t0 = (ECX * 2) % 8;
-                t1 = ECX / 8;
+                t1 = (ECX * 2) / 8;
                 break;
             case 0xc0000000 ... 0xc0001fff:
                 t0 = (8192 + ECX - 0xc0000000) * 2;
-- 
1.6.0.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2009-09-30 19:19 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2009-09-17 20:13 [Qemu-devel] [PATCH] fixed bug in SVM_EXIT_MSR handlers MSR bitmap lookup for low order MSRs John R. Lange
2009-09-30 19:19 ` Anthony Liguori
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2009-09-18 18:11 John R. Lange

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