* [PATCH v2 01/11] x86/Kconfig: Geode CPU has cmpxchg8b
[not found] <20241210142206.2311556-1-arnd@kernel.org>
@ 2024-12-10 14:21 ` Arnd Bergmann
0 siblings, 0 replies; 3+ messages in thread
From: Arnd Bergmann @ 2024-12-10 14:21 UTC (permalink / raw)
To: x86
Cc: Arnd Bergmann, Thomas Gleixner, Ingo Molnar, Borislav Petkov,
Dave Hansen, H. Peter Anvin, Linus Torvalds, Andy Shevchenko,
Matthew Wilcox, stable
From: Arnd Bergmann <arnd@arndb.de>
An older cleanup of mine inadvertently removed geode-gx1 and geode-lx
from the list of CPUs that are known to support a working cmpxchg8b.
Fixes: 88a2b4edda3d ("x86/Kconfig: Rework CONFIG_X86_PAE dependency")
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/x86/Kconfig.cpu | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2a7279d80460..42e6a40876ea 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -368,7 +368,7 @@ config X86_HAVE_PAE
config X86_CMPXCHG64
def_bool y
- depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7
+ depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7 || MGEODEGX1 || MGEODE_LX
# this should be set for all -march=.. options where the compiler
# generates cmov.
--
2.39.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v2 01/11] x86/Kconfig: Geode CPU has cmpxchg8b
[not found] <20241210144945.2325330-1-arnd@kernel.org>
@ 2024-12-10 14:49 ` Arnd Bergmann
2024-12-10 16:00 ` Brian Gerst
0 siblings, 1 reply; 3+ messages in thread
From: Arnd Bergmann @ 2024-12-10 14:49 UTC (permalink / raw)
To: linux-kernel, x86
Cc: Arnd Bergmann, Thomas Gleixner, Ingo Molnar, Borislav Petkov,
Dave Hansen, H. Peter Anvin, Linus Torvalds, Andy Shevchenko,
Matthew Wilcox, stable
From: Arnd Bergmann <arnd@arndb.de>
An older cleanup of mine inadvertently removed geode-gx1 and geode-lx
from the list of CPUs that are known to support a working cmpxchg8b.
Fixes: 88a2b4edda3d ("x86/Kconfig: Rework CONFIG_X86_PAE dependency")
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/x86/Kconfig.cpu | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2a7279d80460..42e6a40876ea 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -368,7 +368,7 @@ config X86_HAVE_PAE
config X86_CMPXCHG64
def_bool y
- depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7
+ depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7 || MGEODEGX1 || MGEODE_LX
# this should be set for all -march=.. options where the compiler
# generates cmov.
--
2.39.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2 01/11] x86/Kconfig: Geode CPU has cmpxchg8b
2024-12-10 14:49 ` [PATCH v2 01/11] x86/Kconfig: Geode CPU has cmpxchg8b Arnd Bergmann
@ 2024-12-10 16:00 ` Brian Gerst
0 siblings, 0 replies; 3+ messages in thread
From: Brian Gerst @ 2024-12-10 16:00 UTC (permalink / raw)
To: Arnd Bergmann
Cc: linux-kernel, x86, Arnd Bergmann, Thomas Gleixner, Ingo Molnar,
Borislav Petkov, Dave Hansen, H. Peter Anvin, Linus Torvalds,
Andy Shevchenko, Matthew Wilcox, stable
On Tue, Dec 10, 2024 at 9:50 AM Arnd Bergmann <arnd@kernel.org> wrote:
>
> From: Arnd Bergmann <arnd@arndb.de>
>
> An older cleanup of mine inadvertently removed geode-gx1 and geode-lx
> from the list of CPUs that are known to support a working cmpxchg8b.
>
> Fixes: 88a2b4edda3d ("x86/Kconfig: Rework CONFIG_X86_PAE dependency")
> Cc: stable@vger.kernel.org
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> arch/x86/Kconfig.cpu | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
> index 2a7279d80460..42e6a40876ea 100644
> --- a/arch/x86/Kconfig.cpu
> +++ b/arch/x86/Kconfig.cpu
> @@ -368,7 +368,7 @@ config X86_HAVE_PAE
>
> config X86_CMPXCHG64
> def_bool y
> - depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7
> + depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7 || MGEODEGX1 || MGEODE_LX
>
> # this should be set for all -march=.. options where the compiler
> # generates cmov.
> --
> 2.39.5
>
>
An idea for a future cleanup would be to change lists like this to
select statements. That would make it easier to see what each CPU
option enables.
Brian Gerst
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2024-12-10 16:00 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <20241210144945.2325330-1-arnd@kernel.org>
2024-12-10 14:49 ` [PATCH v2 01/11] x86/Kconfig: Geode CPU has cmpxchg8b Arnd Bergmann
2024-12-10 16:00 ` Brian Gerst
[not found] <20241210142206.2311556-1-arnd@kernel.org>
2024-12-10 14:21 ` Arnd Bergmann
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox