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SubjectRe: [tip:x86/cpu] x86, msr: Add rd/wrmsr interfaces with preset registers
On Tue, Sep 01, 2009 at 01:05:13PM +0200, Ingo Molnar wrote:
> * tip-bot for Borislav Petkov <> wrote:
> > Commit-ID: 132ec92f3f70fe365c1f4b8d46e66cf8a2a16880
> > Gitweb:
> > Author: Borislav Petkov <>
> > AuthorDate: Mon, 31 Aug 2009 09:50:09 +0200
> > Committer: H. Peter Anvin <>
> > CommitDate: Mon, 31 Aug 2009 15:14:26 -0700
> >
> > x86, msr: Add rd/wrmsr interfaces with preset registers
> FYI, -tip testing found a build failure on x86 with these patches:
> arch/x86/lib/msr-reg.S:14: Error: Bad macro parameter list
> arch/x86/lib/msr-reg.S:100: Error: invalid character '_' in mnemonic
> arch/x86/lib/msr-reg.S:101: Error: invalid character '_' in mnemonic
> config attached. I've excluded this topic branch from tip:master for
> now.

I can't trigger it here.

Stab in the dark: It could be an old binutils issue since gas can't
swallow the macro definition. If you're building on a RHEL system,
it could be that the ":req" macro argument specification is not
supported by that particular version of the gnu assembler as
doesn't state anything on required macro arguments.

Try removing the ":req" part if the op macro argument to see whether it
builds. If so, ":req" is not absolutely necessary and we can do away
without it.


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