Messages in this thread | | | Date | Wed, 2 May 2018 12:05:20 +0100 | From | Mark Rutland <> | Subject | Re: [PATCH 1/2] arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT |
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On Wed, May 02, 2018 at 11:00:55AM +0200, Laurent Dufour wrote: > On 02/05/2018 09:54, Ganesh Mahendran wrote: > > Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for arm64. This > > enables Speculative Page Fault handler. > > > > Signed-off-by: Ganesh Mahendran <opensource.ganesh@gmail.com> > > --- > > This patch is on top of Laurent's v10 spf > > --- > > arch/arm64/Kconfig | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > > index eb2cf49..cd583a9 100644 > > --- a/arch/arm64/Kconfig > > +++ b/arch/arm64/Kconfig > > @@ -144,6 +144,7 @@ config ARM64 > > select SPARSE_IRQ > > select SYSCTL_EXCEPTION_TRACE > > select THREAD_INFO_IN_TASK > > + select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT if SMP > > There is no need to depend on SMP here as the upper > CONFIG_SPECULATIVE_PAGE_FAULT is depending on SMP.
Additionally, since commit:
4b3dc9679cf77933 ("arm64: force CONFIG_SMP=y and remove redundant #ifdefs")
... arm64 is always SMP.
Thanks, Mark.
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