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| author |   H. Peter Anvin <hpa@zytor.com> | 2009-12-09 16:54:08 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-12-09 16:54:08 -0800 |
| commit | fc380ceed7fe469728ea4acdbda4495ea943ee1c (patch) | |
| tree | 84d5ce2358c5812546887ea8ba3bccf3b90f925d /arch/x86/kernel/ioport.c | |
| parent | x86-32: Avoid pipeline serialization in PTREGSCALL1 and 2 (diff) | |
| download | linux-dev-fc380ceed7fe469728ea4acdbda4495ea943ee1c.tar.xz linux-dev-fc380ceed7fe469728ea4acdbda4495ea943ee1c.zip | |
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>
Diffstat (limited to 'arch/x86/kernel/ioport.c')
| -rw-r--r-- | 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 85ecc7c57ba6..8eec0ec59af2 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; } |