Messages in this thread Patch in this message | | | Date | Mon, 14 Nov 2022 22:46:49 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 5/5] x86/kasan: Populate shadow for shared chunk of the CPU entry area |
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On Mon, Nov 14, 2022 at 05:53:43PM +0000, Sean Christopherson wrote:
> Wrong one, that's the existing mapping. To get back to v1: > > diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c > index af82046348a0..0302491d799d 100644 > --- a/arch/x86/mm/kasan_init_64.c > +++ b/arch/x86/mm/kasan_init_64.c > @@ -416,8 +416,8 @@ void __init kasan_init(void) > * area is randomly placed somewhere in the 512GiB range and mapping > * the entire 512GiB range is prohibitively expensive. > */ > - kasan_populate_early_shadow((void *)shadow_cea_begin, > - (void *)shadow_cea_per_cpu_begin); > + kasan_populate_shadow(shadow_cea_begin, > + shadow_cea_per_cpu_begin, 0); > > kasan_populate_early_shadow((void *)shadow_cea_end, > kasan_mem_to_shadow((void *)__START_KERNEL_map));
OK. It now looks like so:
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?h=x86/mm&id=14ca169feec3cb442ef4d322f8f65ba360f42784
If the robots don't hate on it because I fat fingered it or seomthing stupid, I'll go push it out tomorrow.
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