* [PATCH] x86: MPSC should use P6 NOPs
@ 2008-04-03 22:48 Hugh Dickins
2008-04-03 22:48 ` H. Peter Anvin
2008-04-04 8:33 ` Ingo Molnar
0 siblings, 2 replies; 3+ messages in thread
From: Hugh Dickins @ 2008-04-03 22:48 UTC (permalink / raw)
To: Ingo Molnar; +Cc: H. Peter Anvin, Thomas Gleixner, linux-kernel
I've now noticed that the machine I call MPENTIUM4 for 32-bit kernels
is called MPSC for 64-bit kernels, and in that case it still doesn't
get the P6 NOPs it ought to. hpa explains that MK8 should still be
excluded, so it's just a matter of including MPSC along with MPENTIUM4.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
---
arch/x86/Kconfig.cpu | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 2.6.25-rc8/arch/x86/Kconfig.cpu 2008-03-05 10:47:37.000000000 +0000
+++ linux/arch/x86/Kconfig.cpu 2008-04-01 22:35:32.000000000 +0100
@@ -388,7 +388,7 @@ config X86_OOSTORE
#
config X86_P6_NOP
def_bool y
- depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MPENTIUM4)
+ depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MPENTIUM4 || MPSC)
config X86_TSC
def_bool y
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] x86: MPSC should use P6 NOPs
2008-04-03 22:48 [PATCH] x86: MPSC should use P6 NOPs Hugh Dickins
@ 2008-04-03 22:48 ` H. Peter Anvin
2008-04-04 8:33 ` Ingo Molnar
1 sibling, 0 replies; 3+ messages in thread
From: H. Peter Anvin @ 2008-04-03 22:48 UTC (permalink / raw)
To: Hugh Dickins; +Cc: Ingo Molnar, Thomas Gleixner, linux-kernel
Hugh Dickins wrote:
> I've now noticed that the machine I call MPENTIUM4 for 32-bit kernels
> is called MPSC for 64-bit kernels, and in that case it still doesn't
> get the P6 NOPs it ought to. hpa explains that MK8 should still be
> excluded, so it's just a matter of including MPSC along with MPENTIUM4.
>
> Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] x86: MPSC should use P6 NOPs
2008-04-03 22:48 [PATCH] x86: MPSC should use P6 NOPs Hugh Dickins
2008-04-03 22:48 ` H. Peter Anvin
@ 2008-04-04 8:33 ` Ingo Molnar
1 sibling, 0 replies; 3+ messages in thread
From: Ingo Molnar @ 2008-04-04 8:33 UTC (permalink / raw)
To: Hugh Dickins; +Cc: H. Peter Anvin, Thomas Gleixner, linux-kernel
* Hugh Dickins <hugh@veritas.com> wrote:
> I've now noticed that the machine I call MPENTIUM4 for 32-bit kernels
> is called MPSC for 64-bit kernels, and in that case it still doesn't
> get the P6 NOPs it ought to. hpa explains that MK8 should still be
> excluded, so it's just a matter of including MPSC along with
> MPENTIUM4.
> config X86_P6_NOP
> def_bool y
> - depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MPENTIUM4)
> + depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MPENTIUM4 || MPSC)
thanks Hugh, applied.
Ingo
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2008-04-04 8:34 UTC | newest]
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2008-04-03 22:48 [PATCH] x86: MPSC should use P6 NOPs Hugh Dickins
2008-04-03 22:48 ` H. Peter Anvin
2008-04-04 8:33 ` Ingo Molnar
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