Re: [PATCH v3 1/5] arm64: kasan: don't populate vmalloc area for CONFIG_KASAN_VMALLOC

2021-03-20 Thread Lecopzer Chen
On Sat, Mar 20, 2021 at 1:38 AM Catalin Marinas wrote: > > On Sat, Feb 06, 2021 at 04:35:48PM +0800, Lecopzer Chen wrote: > > Linux support KAsan for VMALLOC since commit 3c5c3cfb9ef4da9 > > ("kasan: support backing vmalloc space with real shadow memory") > > > > Like how the MODULES_VADDR does

Re: [PATCH v3 1/5] arm64: kasan: don't populate vmalloc area for CONFIG_KASAN_VMALLOC

2021-03-19 Thread Catalin Marinas
On Sat, Feb 06, 2021 at 04:35:48PM +0800, Lecopzer Chen wrote: > Linux support KAsan for VMALLOC since commit 3c5c3cfb9ef4da9 > ("kasan: support backing vmalloc space with real shadow memory") > > Like how the MODULES_VADDR does now, just not to early populate > the VMALLOC_START between

[PATCH v3 1/5] arm64: kasan: don't populate vmalloc area for CONFIG_KASAN_VMALLOC

2021-02-06 Thread Lecopzer Chen
Linux support KAsan for VMALLOC since commit 3c5c3cfb9ef4da9 ("kasan: support backing vmalloc space with real shadow memory") Like how the MODULES_VADDR does now, just not to early populate the VMALLOC_START between VMALLOC_END. Before: MODULE_VADDR: no mapping, no zoreo shadow at init