| Date | Thu, 12 Nov 2020 10:31:01 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v2 05/20] kasan: allow VMAP_STACK for HW_TAGS mode |
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On Tue, Nov 10, 2020 at 11:20:09PM +0100, Andrey Konovalov wrote: > Even though hardware tag-based mode currently doesn't support checking > vmalloc allocations, it doesn't use shadow memory and works with > VMAP_STACK as is. Change VMAP_STACK definition accordingly. > > Signed-off-by: Andrey Konovalov <andreyknvl@google.com> > Link: https://linux-review.googlesource.com/id/I3552cbc12321dec82cd7372676e9372a2eb452ac > --- > arch/Kconfig | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/arch/Kconfig b/arch/Kconfig > index 56b6ccc0e32d..7e7d14fae568 100644 > --- a/arch/Kconfig > +++ b/arch/Kconfig > @@ -914,16 +914,16 @@ config VMAP_STACK > default y > bool "Use a virtually-mapped stack" > depends on HAVE_ARCH_VMAP_STACK > - depends on !KASAN || KASAN_VMALLOC > + depends on !KASAN || KASAN_HW_TAGS || KASAN_VMALLOC
From the arm64 perspective:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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