Messages in this thread Patch in this message | | | Date | Thu, 10 Dec 2009 00:57:32 GMT | From | "tip-bot for H. Peter Anvin" <> | Subject | [tip:x86/asm] x86-64, paravirt: Call set_iopl_mask() on 64 bits |
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Commit-ID: fc380ceed7fe469728ea4acdbda4495ea943ee1c Gitweb: http://git.kernel.org/tip/fc380ceed7fe469728ea4acdbda4495ea943ee1c Author: H. Peter Anvin <hpa@zytor.com> AuthorDate: Wed, 9 Dec 2009 16:54:08 -0800 Committer: H. Peter Anvin <hpa@zytor.com> CommitDate: Wed, 9 Dec 2009 16:54:08 -0800
x86-64, paravirt: Call set_iopl_mask() on 64 bits
set_iopl_mask() is a no-op on 64 bits, but it is also a paravirt hook, so call it even on 64 bits.
Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Brian Gerst <brgerst@gmail.com> LKML-Reference: <1260403316-5679-3-git-send-email-brgerst@gmail.com> --- arch/x86/kernel/ioport.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c index 85ecc7c..8eec0ec 100644 --- a/arch/x86/kernel/ioport.c +++ b/arch/x86/kernel/ioport.c @@ -116,10 +116,8 @@ long sys_iopl(unsigned int level, struct pt_regs *regs) return -EPERM; } regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12); -#ifdef CONFIG_X86_32 t->iopl = level << 12; set_iopl_mask(t->iopl); -#endif return 0; }
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