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x86-64, paravirt: Call set_iopl_mask() on 64 bits

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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>
This commit is contained in:
H. Peter Anvin 2009-12-09 16:54:08 -08:00
parent ce9119ad90
commit fc380ceed7
1 changed files with 0 additions and 2 deletions
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2
arch/x86/kernel/ioport.c
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@ -116,10 +116,8 @@ long sys_iopl(unsigned int level, struct pt_regs *regs)
return -EPERM; return -EPERM;
} }
regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12); regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12);
#ifdef CONFIG_X86_32
t->iopl = level << 12; t->iopl = level << 12;
set_iopl_mask(t->iopl); set_iopl_mask(t->iopl);
#endif
return 0; return 0;
} }