Messages in this thread | | | Date | Thu, 28 May 2015 11:56:48 +0300 | From | Alexander Popov <> | Subject | Re: [PATCH 1/1] x86_64: fix KASan shadow region page tables |
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On 26.05.2015 11:52, Andrey Ryabinin wrote: > On 05/25/2015 04:43 PM, Alexander Popov wrote: >> What do you think about leaving the initialization of KASan shadow region >> page tables in arch/x86/kernel/head_64.S and calling something like >> kasan_fixup_early_shadow() before calling kasan_map_early_shadow() >> for the first time? > > Why do we have initialize + fixup later if we could simply initialize page tables properly? > > Just move everything into kasan_init_64.c > kasan_zero_p* could be a normal C arrays (with __page_aligned_bss attribute). > Initialize these page tables in something like kasan_early_init() before kasan_map_early_shadow() > call.
Thanks, I'll do that and return with the second version.
Best regards, Alexander
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