Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Oct 19, 2017 at 19:09, Russell King - ARM Linux [mailto:li...@armlinux.org.uk] wrote: >On Wed, Oct 11, 2017 at 04:22:17PM +0800, Abbott Liu wrote: >> +#else >> +#define pud_populate(mm,pmd,pte)do { } while (0) >> +#endif > >Please explain this change - we don't have a "pud" as far as the

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Oct 19, 2017 at 19:09, Russell King - ARM Linux [mailto:li...@armlinux.org.uk] wrote: >On Wed, Oct 11, 2017 at 04:22:17PM +0800, Abbott Liu wrote: >> +#else >> +#define pud_populate(mm,pmd,pte)do { } while (0) >> +#endif > >Please explain this change - we don't have a "pud" as far as the

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Nov 23, 2017 23:22 Russell King - ARM Linux [mailto:li...@armlinux.org.uk] wrote: >Please pay attention to the project coding style whenever creating code >for a program. It doesn't matter what the project coding style is, as >long as you write your code to match the style that is already

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Nov 23, 2017 23:22 Russell King - ARM Linux [mailto:li...@armlinux.org.uk] wrote: >Please pay attention to the project coding style whenever creating code >for a program. It doesn't matter what the project coding style is, as >long as you write your code to match the style that is already

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Nov 22, 2017 at 12:56:44PM +, Liuwenliang (Abbott Liu) wrote: > +static inline u64 get_ttbr0(void) > +{ > + if (IS_ENABLED(CONFIG_ARM_LPAE)) > + return read_sysreg(TTBR0_64); > + else > + return (u64)read_sysreg(TTBR0_32); > +} > +static inline u64 get_ttbr1(void) > +{

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Nov 22, 2017 at 12:56:44PM +, Liuwenliang (Abbott Liu) wrote: > +static inline u64 get_ttbr0(void) > +{ > + if (IS_ENABLED(CONFIG_ARM_LPAE)) > + return read_sysreg(TTBR0_64); > + else > + return (u64)read_sysreg(TTBR0_32); > +} > +static inline u64 get_ttbr1(void) > +{

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Nov 23, 2017 at 01:54:59AM +, Liuwenliang (Abbott Liu) wrote: > On Nov 23, 2017 20:30 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >Please define both PAR accessors. Yes, I know the 32bit version is not > >used yet, but it doesn't hurt to make it visible. > > Thanks for your

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Nov 23, 2017 at 01:54:59AM +, Liuwenliang (Abbott Liu) wrote: > On Nov 23, 2017 20:30 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >Please define both PAR accessors. Yes, I know the 32bit version is not > >used yet, but it doesn't hurt to make it visible. > > Thanks for your

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

heu...@linaro.org; linux-kernel@vger.kernel.org; Jiazhenghua; a...@linux-foundation.org; robin.mur...@arm.com; thgar...@google.com; kirill.shute...@linux.intel.com 主题: Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory On 22/11/17 12:56, Liuwenliang (Abbott Liu) wrote: > On Nov 22, 2017 20:3

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

heu...@linaro.org; linux-kernel@vger.kernel.org; Jiazhenghua; a...@linux-foundation.org; robin.mur...@arm.com; thgar...@google.com; kirill.shute...@linux.intel.com 主题: Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory On 22/11/17 12:56, Liuwenliang (Abbott Liu) wrote: > On Nov 22, 2017 20:3

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 22/11/17 12:56, Liuwenliang (Abbott Liu) wrote: > On Nov 22, 2017 20:30 Mark Rutland [mailto:mark.rutl...@arm.com] wrote: >> On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: >>> On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: On Sat, 18

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 22/11/17 12:56, Liuwenliang (Abbott Liu) wrote: > On Nov 22, 2017 20:30 Mark Rutland [mailto:mark.rutl...@arm.com] wrote: >> On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: >>> On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: On Sat, 18

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Nov 22, 2017 20:30 Mark Rutland [mailto:mark.rutl...@arm.com] wrote: >On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: >> On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> >On Sat, 18 Nov 2017 10:40:08 + >> >"Liuwenliang (Abbott Liu)"

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Nov 22, 2017 20:30 Mark Rutland [mailto:mark.rutl...@arm.com] wrote: >On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: >> On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> >On Sat, 18 Nov 2017 10:40:08 + >> >"Liuwenliang (Abbott Liu)"

Re: 答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: > On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >On Sat, 18 Nov 2017 10:40:08 + > >"Liuwenliang (Abbott Liu)" wrote: > >> On Nov 17, 2017 15:36 Christoffer Dall

Re: 答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: > On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >On Sat, 18 Nov 2017 10:40:08 + > >"Liuwenliang (Abbott Liu)" wrote: > >> On Nov 17, 2017 15:36 Christoffer Dall [mailto:cd...@linaro.org]

Re: 答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 21/11/17 07:59, Liuwenliang (Abbott Liu) wrote: > On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> On Sat, 18 Nov 2017 10:40:08 + >> "Liuwenliang (Abbott Liu)" wrote: > >>> On Nov 17, 2017 15:36 Christoffer Dall

Re: 答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 21/11/17 07:59, Liuwenliang (Abbott Liu) wrote: > On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> On Sat, 18 Nov 2017 10:40:08 + >> "Liuwenliang (Abbott Liu)" wrote: > >>> On Nov 17, 2017 15:36 Christoffer Dall [mailto:cd...@linaro.org] wrote: If your

Re: 答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: > On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >On Sat, 18 Nov 2017 10:40:08 + > >"Liuwenliang (Abbott Liu)" wrote: > > >> On Nov 17, 2017 15:36 Christoffer Dall

Re: 答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Tue, Nov 21, 2017 at 07:59:01AM +, Liuwenliang (Abbott Liu) wrote: > On Nov 17, 2017 21:49 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >On Sat, 18 Nov 2017 10:40:08 + > >"Liuwenliang (Abbott Liu)" wrote: > > >> On Nov 17, 2017 15:36 Christoffer Dall

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Sat, 18 Nov 2017 10:40:08 + "Liuwenliang (Abbott Liu)" wrote: > On Nov 17, 2017 15:36 Christoffer Dall [mailto:cd...@linaro.org] wrote: > >If your processor does support LPAE (like a Cortex-A15 for example), > >then you have both the 32-bit accessors (MRC and

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Sat, 18 Nov 2017 10:40:08 + "Liuwenliang (Abbott Liu)" wrote: > On Nov 17, 2017 15:36 Christoffer Dall [mailto:cd...@linaro.org] wrote: > >If your processor does support LPAE (like a Cortex-A15 for example), > >then you have both the 32-bit accessors (MRC and MCR) and the 64-bit >

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Nov 17, 2017 15:36 Christoffer Dall [mailto:cd...@linaro.org] wrote: >If your processor does support LPAE (like a Cortex-A15 for example), >then you have both the 32-bit accessors (MRC and MCR) and the 64-bit >accessors (MRRC, MCRR), and using the 32-bit accessor will simply access >the lower

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Nov 17, 2017 15:36 Christoffer Dall [mailto:cd...@linaro.org] wrote: >If your processor does support LPAE (like a Cortex-A15 for example), >then you have both the 32-bit accessors (MRC and MCR) and the 64-bit >accessors (MRRC, MCRR), and using the 32-bit accessor will simply access >the lower

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Fri, Nov 17, 2017 at 07:18:45AM +, Liuwenliang (Abbott Liu) wrote: > On 16/11/17 22:41 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >No, it doesn't. It cannot work, because Cortex-A9 predates the invention > >of the 64bit accessor. I suspect that you are testing stuff in QEMU, >

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Fri, Nov 17, 2017 at 07:18:45AM +, Liuwenliang (Abbott Liu) wrote: > On 16/11/17 22:41 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > >No, it doesn't. It cannot work, because Cortex-A9 predates the invention > >of the 64bit accessor. I suspect that you are testing stuff in QEMU, >

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 16/11/17 22:41 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >No, it doesn't. It cannot work, because Cortex-A9 predates the invention >of the 64bit accessor. I suspect that you are testing stuff in QEMU, >which is giving you a SW model that always supports LPAE. I suggest you >test this

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 16/11/17 22:41 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >No, it doesn't. It cannot work, because Cortex-A9 predates the invention >of the 64bit accessor. I suspect that you are testing stuff in QEMU, >which is giving you a SW model that always supports LPAE. I suggest you >test this

答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 16/11/17 22:41 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >- If the CPU supports LPAE, then both 32 and 64bit accessors work I don't how 32bit accessor can work on CPU supporting LPAE, give me your solution. Thanks.

答复: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 16/11/17 22:41 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >- If the CPU supports LPAE, then both 32 and 64bit accessors work I don't how 32bit accessor can work on CPU supporting LPAE, give me your solution. Thanks.

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Nov 16 2017 at 2:24:31 pm GMT, "Liuwenliang (Abbott Liu)" wrote: > On 16/11/17 17:54 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>On Thu, Nov 16 2017 at 3:07:54 am GMT, "Liuwenliang (Abbott Liu)" >> wrote: On 15/11/17 13:16,

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Nov 16 2017 at 2:24:31 pm GMT, "Liuwenliang (Abbott Liu)" wrote: > On 16/11/17 17:54 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>On Thu, Nov 16 2017 at 3:07:54 am GMT, "Liuwenliang (Abbott Liu)" >> wrote: On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: > On 09/11/17

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 16/11/17 17:54 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >On Thu, Nov 16 2017 at 3:07:54 am GMT, "Liuwenliang (Abbott Liu)" > wrote: >>>On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote:

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 16/11/17 17:54 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >On Thu, Nov 16 2017 at 3:07:54 am GMT, "Liuwenliang (Abbott Liu)" > wrote: >>>On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > On Wed, Nov 15

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Nov 16 2017 at 3:07:54 am GMT, "Liuwenliang (Abbott Liu)" wrote: >>On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: >>> On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)"

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Nov 16 2017 at 3:07:54 am GMT, "Liuwenliang (Abbott Liu)" wrote: >>On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: >>> On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" wrote: > diff

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

>On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: >> On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>> On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" >>> wrote: diff --git a/arch/arm/include/asm/cp15.h

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

>On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: >> On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>> On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" >>> wrote: diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h index

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: > On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" >> wrote: >>> On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com]

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 15/11/17 13:16, Liuwenliang (Abbott Liu) wrote: > On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" >> wrote: >>> On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: On 09/11/17

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" > wrote: >> On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>>On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote:

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 09/11/17 18:36 Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" > wrote: >> On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>>On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote: diff --git

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" wrote: > On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote: >>> diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c >>>

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Nov 15 2017 at 10:20:02 am GMT, "Liuwenliang (Abbott Liu)" wrote: > On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >>On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote: >>> diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c >>> index 049ee0a..359a782

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote: >> diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c >> index 049ee0a..359a782 100644 >> --- a/arch/arm/mm/kasan_init.c >> +++ b/arch/arm/mm/kasan_init.c >> @@

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 09/11/17 18:11, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote: >> diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c >> index 049ee0a..359a782 100644 >> --- a/arch/arm/mm/kasan_init.c >> +++ b/arch/arm/mm/kasan_init.c >> @@

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote: > On 12/10/17 15:59, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> On 11/10/17 09:22, Abbott Liu wrote: >>> diff --git a/arch/arm/include/asm/proc-fns.h >>> b/arch/arm/include/asm/proc-fns.h >>> index f2e1af4..6e26714 100644 >>> ---

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 09/11/17 07:46, Liuwenliang (Abbott Liu) wrote: > On 12/10/17 15:59, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: >> On 11/10/17 09:22, Abbott Liu wrote: >>> diff --git a/arch/arm/include/asm/proc-fns.h >>> b/arch/arm/include/asm/proc-fns.h >>> index f2e1af4..6e26714 100644 >>> ---

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 12/10/17 15:59, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > On 11/10/17 09:22, Abbott Liu wrote: >> diff --git a/arch/arm/include/asm/proc-fns.h >> b/arch/arm/include/asm/proc-fns.h >> index f2e1af4..6e26714 100644 >> --- a/arch/arm/include/asm/proc-fns.h >> +++

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 12/10/17 15:59, Marc Zyngier [mailto:marc.zyng...@arm.com] wrote: > On 11/10/17 09:22, Abbott Liu wrote: >> diff --git a/arch/arm/include/asm/proc-fns.h >> b/arch/arm/include/asm/proc-fns.h >> index f2e1af4..6e26714 100644 >> --- a/arch/arm/include/asm/proc-fns.h >> +++

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Oct 12, 2017 at 02:42:49AM +0300, Dmitry Osipenko wrote: > On 11.10.2017 11:22, Abbott Liu wrote: > > +void __init kasan_map_early_shadow(pgd_t *pgdp) > > +{ > > + int i; > > + unsigned long start = KASAN_SHADOW_START; > > + unsigned long end = KASAN_SHADOW_END; > > + unsigned long

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Thu, Oct 12, 2017 at 02:42:49AM +0300, Dmitry Osipenko wrote: > On 11.10.2017 11:22, Abbott Liu wrote: > > +void __init kasan_map_early_shadow(pgd_t *pgdp) > > +{ > > + int i; > > + unsigned long start = KASAN_SHADOW_START; > > + unsigned long end = KASAN_SHADOW_END; > > + unsigned long

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Oct 11, 2017 at 04:22:17PM +0800, Abbott Liu wrote: > diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h > index b2902a5..10cee6a 100644 > --- a/arch/arm/include/asm/pgalloc.h > +++ b/arch/arm/include/asm/pgalloc.h > @@ -50,8 +50,11 @@ static inline void

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Oct 11, 2017 at 04:22:17PM +0800, Abbott Liu wrote: > diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h > index b2902a5..10cee6a 100644 > --- a/arch/arm/include/asm/pgalloc.h > +++ b/arch/arm/include/asm/pgalloc.h > @@ -50,8 +50,11 @@ static inline void

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 2017.10.12 7:43AM Dmitry Osipenko [mailto:dig...@gmail.com] wrote: >Shouldn't all __pgprot's contain L_PTE_MT_WRITETHROUGH ? > >[...] > >-- >Dmitry Thanks for your review. I'm sorry that my replay is so late. I don't think L_PTE_MT_WRITETHROUGH is need for all arm soc. So I think kasan's

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 2017.10.12 7:43AM Dmitry Osipenko [mailto:dig...@gmail.com] wrote: >Shouldn't all __pgprot's contain L_PTE_MT_WRITETHROUGH ? > >[...] > >-- >Dmitry Thanks for your review. I'm sorry that my replay is so late. I don't think L_PTE_MT_WRITETHROUGH is need for all arm soc. So I think kasan's

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

2017.10.12 05:42 AM Russell King - ARM Linux [mailto:li...@armlinux.org.uk] wrote: >> Please don't make this "exclusive" just conditionally call >> kasan_early_init(), remove the call to start_kernel from >> kasan_early_init and keep the call to start_kernel here. >iow: > >#ifdef

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

2017.10.12 05:42 AM Russell King - ARM Linux [mailto:li...@armlinux.org.uk] wrote: >> Please don't make this "exclusive" just conditionally call >> kasan_early_init(), remove the call to start_kernel from >> kasan_early_init and keep the call to start_kernel here. >iow: > >#ifdef

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 11/10/17 09:22, Abbott Liu wrote: > From: Andrey Ryabinin > > This patch initializes KASan shadow region's page table and memory. > There are two stage for KASan initializing: > 1. At early boot stage the whole shadow region is mapped to just >one physical page

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 11/10/17 09:22, Abbott Liu wrote: > From: Andrey Ryabinin > > This patch initializes KASan shadow region's page table and memory. > There are two stage for KASan initializing: > 1. At early boot stage the whole shadow region is mapped to just >one physical page (kasan_zero_page). It's

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 11.10.2017 11:22, Abbott Liu wrote: > From: Andrey Ryabinin > > This patch initializes KASan shadow region's page table and memory. > There are two stage for KASan initializing: > 1. At early boot stage the whole shadow region is mapped to just >one physical page

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 11.10.2017 11:22, Abbott Liu wrote: > From: Andrey Ryabinin > > This patch initializes KASan shadow region's page table and memory. > There are two stage for KASan initializing: > 1. At early boot stage the whole shadow region is mapped to just >one physical page (kasan_zero_page). It's

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Oct 11, 2017 at 12:39:39PM -0700, Florian Fainelli wrote: > On 10/11/2017 01:22 AM, Abbott Liu wrote: > > diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S > > index 8733012..c17f4a2 100644 > > --- a/arch/arm/kernel/head-common.S > > +++

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On Wed, Oct 11, 2017 at 12:39:39PM -0700, Florian Fainelli wrote: > On 10/11/2017 01:22 AM, Abbott Liu wrote: > > diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S > > index 8733012..c17f4a2 100644 > > --- a/arch/arm/kernel/head-common.S > > +++

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 10/11/2017 01:22 AM, Abbott Liu wrote: > From: Andrey Ryabinin > > This patch initializes KASan shadow region's page table and memory. > There are two stage for KASan initializing: > 1. At early boot stage the whole shadow region is mapped to just >one physical

Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

On 10/11/2017 01:22 AM, Abbott Liu wrote: > From: Andrey Ryabinin > > This patch initializes KASan shadow region's page table and memory. > There are two stage for KASan initializing: > 1. At early boot stage the whole shadow region is mapped to just >one physical page (kasan_zero_page).

[PATCH 01/11] Initialize the mapping of KASan shadow memory

From: Andrey Ryabinin This patch initializes KASan shadow region's page table and memory. There are two stage for KASan initializing: 1. At early boot stage the whole shadow region is mapped to just one physical page (kasan_zero_page). It's finished by the function

[PATCH 01/11] Initialize the mapping of KASan shadow memory

From: Andrey Ryabinin This patch initializes KASan shadow region's page table and memory. There are two stage for KASan initializing: 1. At early boot stage the whole shadow region is mapped to just one physical page (kasan_zero_page). It's finished by the function kasan_early_init which