Re: [RFC PATCH 5/5] powerpc: KASAN for 64bit Book3E

2019-02-18 Thread Daniel Axtens
Dmitry Vyukov writes: > On Fri, Feb 15, 2019 at 1:05 AM Daniel Axtens wrote: >> >> Wire up KASAN. Only outline instrumentation is supported. >> >> The KASAN shadow area is mapped into vmemmap space: >> 0x8000 0400 to 0x8000 0600 . >> To do this we require that vmemmap be disab

Re: [RFC PATCH 5/5] powerpc: KASAN for 64bit Book3E

2019-02-18 Thread Daniel Axtens
>> diff --git a/arch/powerpc/mm/kasan/kasan_init_book3e_64.c >> b/arch/powerpc/mm/kasan/kasan_init_book3e_64.c >> new file mode 100644 >> index ..93b9afcf1020 >> --- /dev/null >> +++ b/arch/powerpc/mm/kasan/kasan_init_book3e_64.c >> @@ -0,0 +1,53 @@ >> +// SPDX-License-Identifier: GPL-

Re: [RFC PATCH 5/5] powerpc: KASAN for 64bit Book3E

2019-02-18 Thread Christophe Leroy
Le 15/02/2019 à 01:04, Daniel Axtens a écrit : Wire up KASAN. Only outline instrumentation is supported. The KASAN shadow area is mapped into vmemmap space: 0x8000 0400 to 0x8000 0600 . To do this we require that vmemmap be disabled. (This is the default in the kernel confi

Re: [RFC PATCH 5/5] powerpc: KASAN for 64bit Book3E

2019-02-17 Thread christophe leroy
Le 15/02/2019 à 01:04, Daniel Axtens a écrit : Wire up KASAN. Only outline instrumentation is supported. The KASAN shadow area is mapped into vmemmap space: 0x8000 0400 to 0x8000 0600 . To do this we require that vmemmap be disabled. (This is the default in the kernel confi

Re: [RFC PATCH 5/5] powerpc: KASAN for 64bit Book3E

2019-02-15 Thread Dmitry Vyukov
On Fri, Feb 15, 2019 at 1:05 AM Daniel Axtens wrote: > > Wire up KASAN. Only outline instrumentation is supported. > > The KASAN shadow area is mapped into vmemmap space: > 0x8000 0400 to 0x8000 0600 . > To do this we require that vmemmap be disabled. (This is the default > in t

[RFC PATCH 5/5] powerpc: KASAN for 64bit Book3E

2019-02-14 Thread Daniel Axtens
Wire up KASAN. Only outline instrumentation is supported. The KASAN shadow area is mapped into vmemmap space: 0x8000 0400 to 0x8000 0600 . To do this we require that vmemmap be disabled. (This is the default in the kernel config that QorIQ provides for the machine in their SDK a