Displaying 2 results from an estimated 2 matches for "8110943fd7ad".
2007 Apr 18
0
[PATCH 3/6] IOPL handling for paravirt guests
...aravirt compiles - since kernel_rpl is statically defined to
be zero there, and only non-zero rpl kernel have a problem restoring IOPL,
as popf does not restore IOPL flags unless run at CPL-0.
Subject: IOPL handling for paravirt guests
Signed-off-by: Zachary Amsden <zach@vmware.com>
diff -r 8110943fd7ad arch/i386/kernel/process.c
--- a/arch/i386/kernel/process.c Thu Dec 14 16:15:20 2006 -0800
+++ b/arch/i386/kernel/process.c Thu Dec 14 16:21:57 2006 -0800
@@ -665,6 +665,15 @@ struct task_struct fastcall * __switch_t
load_TLS(next, cpu);
/*
+ * Restore IOPL if needed. In normal use, the fla...
2007 Apr 18
0
[PATCH 3/6] IOPL handling for paravirt guests
...aravirt compiles - since kernel_rpl is statically defined to
be zero there, and only non-zero rpl kernel have a problem restoring IOPL,
as popf does not restore IOPL flags unless run at CPL-0.
Subject: IOPL handling for paravirt guests
Signed-off-by: Zachary Amsden <zach@vmware.com>
diff -r 8110943fd7ad arch/i386/kernel/process.c
--- a/arch/i386/kernel/process.c Thu Dec 14 16:15:20 2006 -0800
+++ b/arch/i386/kernel/process.c Thu Dec 14 16:21:57 2006 -0800
@@ -665,6 +665,15 @@ struct task_struct fastcall * __switch_t
load_TLS(next, cpu);
/*
+ * Restore IOPL if needed. In normal use, the fla...