Commit fc380cee authored Dec 09, 2009 by H. Peter Anvin

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>

parent ce9119ad

arch/x86/kernel/ioport.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}

Admin message