* [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
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* [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 ` 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
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2024-12-10 14:21 ` [PATCH v2 01/11] x86/Kconfig: Geode CPU has cmpxchg8b Arnd Bergmann
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