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[Xen-devel] Re: [PATCH 1 of 4] mm: add a ptep_modify_prot transaction abstraction
- To: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
- Date: Fri, 20 Jun 2008 13:16:00 -0700
- Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, kvm-devel <kvm-devel@xxxxxxxxxxxxxxxxxxxxx>, benh@xxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Virtualization Mailing List <virtualization@xxxxxxxxxxxxxx>, Hugh Dickins <hugh@xxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- Delivery-date: Fri, 20 Jun 2008 13:16:28 -0700
- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Linus Torvalds wrote:
On Fri, 20 Jun 2008, Ingo Molnar wrote:
okay - Jeremy, could you try the fix below? (or tip/master, i just
pushed this out)
Actually, don't try that one.
It needs to be a _byte_ registers, so "ir" was wrong. You need "iq".
Doesn't work, unfortunately:
{standard input}:20511: Error: Incorrect register `%eax' used with `b'
suffix
lock; orb %eax,1(%rdi) # tmp64,
J
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