| Message ID | 20220901173516.702122-24-surenb@google.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | per-VMA locks proposal | expand |
On Thu, Sep 01, 2022 at 10:35:11AM -0700, Suren Baghdasaryan wrote: > Set ARCH_SUPPORTS_PER_VMA_LOCK so that the per-VMA lock support can be > compiled on this architecture. > > Signed-off-by: Suren Baghdasaryan <surenb@google.com> > --- > arch/x86/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index f9920f1341c8..ee19de020b27 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -27,6 +27,7 @@ config X86_64 > # Options that are inherently 64-bit kernel only: > select ARCH_HAS_GIGANTIC_PAGE > select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 > + select ARCH_SUPPORTS_PER_VMA_LOCK > select ARCH_USE_CMPXCHG_LOCKREF > select HAVE_ARCH_SOFT_DIRTY > select MODULES_USE_ELF_RELA I think you could combine this with the previous path (and similarly on other architectures) - they logically go together.
On Thu, Sep 1, 2022 at 1:21 PM Kent Overstreet <kent.overstreet@linux.dev> wrote: > > On Thu, Sep 01, 2022 at 10:35:11AM -0700, Suren Baghdasaryan wrote: > > Set ARCH_SUPPORTS_PER_VMA_LOCK so that the per-VMA lock support can be > > compiled on this architecture. > > > > Signed-off-by: Suren Baghdasaryan <surenb@google.com> > > --- > > arch/x86/Kconfig | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > > index f9920f1341c8..ee19de020b27 100644 > > --- a/arch/x86/Kconfig > > +++ b/arch/x86/Kconfig > > @@ -27,6 +27,7 @@ config X86_64 > > # Options that are inherently 64-bit kernel only: > > select ARCH_HAS_GIGANTIC_PAGE > > select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 > > + select ARCH_SUPPORTS_PER_VMA_LOCK > > select ARCH_USE_CMPXCHG_LOCKREF > > select HAVE_ARCH_SOFT_DIRTY > > select MODULES_USE_ELF_RELA > > I think you could combine this with the previous path (and similarly on other > architectures) - they logically go together. Thanks for the feedback! I see no downside to that, so unless there are objections I will combine them in the next version.
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f9920f1341c8..ee19de020b27 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -27,6 +27,7 @@ config X86_64 # Options that are inherently 64-bit kernel only: select ARCH_HAS_GIGANTIC_PAGE select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 + select ARCH_SUPPORTS_PER_VMA_LOCK select ARCH_USE_CMPXCHG_LOCKREF select HAVE_ARCH_SOFT_DIRTY select MODULES_USE_ELF_RELA
Set ARCH_SUPPORTS_PER_VMA_LOCK so that the per-VMA lock support can be compiled on this architecture. Signed-off-by: Suren Baghdasaryan <surenb@google.com> --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+)