Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

Hi, On 2016/5/10 20:50, Arnd Bergmann wrote: On Tuesday 10 May 2016 20:39:41 Zhangjian wrote: Hi, On 2016/5/10 19:48, Arnd Bergmann wrote: On Tuesday 10 May 2016 17:47:26 Zhangjian wrote: On 2016/5/10 16:36, Arnd Bergmann wrote: On Tuesday 10 May 2016 15:42:07 Zhangjian wrote: On 2016/5/6

Re: [PATCH v3 3/4] x86, boot: Implement ASLR for kernel memory sections (x86_64)

On Tue, May 10, 2016 at 11:53 AM, Kees Cook wrote: > On Tue, May 3, 2016 at 12:31 PM, Thomas Garnier wrote: >> Randomizes the virtual address space of kernel memory sections (physical >> memory mapping, vmalloc & vmemmap) for x86_64. This security

Re: [PATCH v3 1/4] x86, boot: Refactor KASLR entropy functions

On Tue, May 10, 2016 at 12:05 PM, Kees Cook wrote: > On Tue, May 3, 2016 at 12:31 PM, Thomas Garnier wrote: >> Move the KASLR entropy functions in x86/libray to be used in early >> kernel boot for KASLR memory randomization. >> >> Signed-off-by: Thomas

Re: [PATCH v3 1/4] x86, boot: Refactor KASLR entropy functions

On Tue, May 3, 2016 at 12:31 PM, Thomas Garnier wrote: > Move the KASLR entropy functions in x86/libray to be used in early > kernel boot for KASLR memory randomization. > > Signed-off-by: Thomas Garnier > --- > Based on next-20160502 > --- >

[PATCH -trivial 1/3] Documentation: vm: Spelling s/paltform/platform/g

Signed-off-by: Geert Uytterhoeven --- Documentation/vm/hugetlbpage.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt index 54dd9b9c6c31aeed..6f3b3fa35613d900 100644 ---

[PATCH -trivial 2/3] ARM: Spelling s/paltform/platform/g

Signed-off-by: Geert Uytterhoeven --- arch/arm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2d756aa471f33316..c01039b81d6eeb13 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -897,7 +897,7

[PATCH -trivial 3/3] spi: dw-pci: Spelling s/paltforms/platforms/g

Signed-off-by: Geert Uytterhoeven --- drivers/spi/spi-dw-pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c index 332ccb0539a77710..ef7db75c92c13b34 100644 --- a/drivers/spi/spi-dw-pci.c +++

Re: [PATCH v3 3/4] x86, boot: Implement ASLR for kernel memory sections (x86_64)

On Tue, May 3, 2016 at 12:31 PM, Thomas Garnier wrote: > Randomizes the virtual address space of kernel memory sections (physical > memory mapping, vmalloc & vmemmap) for x86_64. This security feature > mitigates exploits relying on predictable kernel addresses. These >

Re: [PATCH v3 4/4] x86, boot: Memory hotplug support for KASLR memory randomization

On Tue, May 10, 2016 at 11:24 AM, Kees Cook wrote: > On Tue, May 3, 2016 at 12:31 PM, Thomas Garnier wrote: >> Add a new option (CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING) to define >> the padding used for the physical memory mapping section when KASLR

Re: [PATCH v3 4/4] x86, boot: Memory hotplug support for KASLR memory randomization

On Tue, May 3, 2016 at 12:31 PM, Thomas Garnier wrote: > Add a new option (CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING) to define > the padding used for the physical memory mapping section when KASLR > memory is enabled. It ensures there is enough virtual address space when >

Re: [RFC PATCH v1 10/18] x86/efi: Access EFI related tables in the clear

On Tue, May 10, 2016 at 02:43:58PM +0100, Matt Fleming wrote: > Is it not possible to maintain some kind of kernel virtual address > mapping so memremap*() and friends can figure out when to twiddle the > mapping attributes and map with/without encryption? I guess we can move the sme_* specific

Re: [RFC PATCH v1 10/18] x86/efi: Access EFI related tables in the clear

On Tue, 26 Apr, at 05:57:40PM, Tom Lendacky wrote: > The EFI tables are not encrypted and need to be accessed as such. Be sure > to memmap them without the encryption attribute set. For EFI support that > lives outside of the arch/x86 tree, create a routine that uses the __weak > attribute so that

Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

On Tuesday 10 May 2016 17:47:26 Zhangjian wrote: > On 2016/5/10 16:36, Arnd Bergmann wrote: > > On Tuesday 10 May 2016 15:42:07 Zhangjian wrote: > >> On 2016/5/6 20:37, Yury Norov wrote: > > "include/uapi/asm-generic/posix_types.h" is uapi, we could not check > "ARCH_32BIT_OFF_T" here. Besides,

Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

Hi, Arnd On 2016/5/10 16:36, Arnd Bergmann wrote: On Tuesday 10 May 2016 15:42:07 Zhangjian wrote: On 2016/5/6 20:37, Yury Norov wrote: On Fri, May 06, 2016 at 08:16:48PM +0800, Zhangjian (Bamvor) wrote: AFAIR, here we don't shift offset, as it's 64-bit both in user- and kernel-space, In

Re: [PATCH 24/41] Documentation: fb: fix spelling mistakes

On 25/04/16 03:24, Eric Engestrom wrote: > Signed-off-by: Eric Engestrom > --- > Documentation/fb/udlfb.txt | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/Documentation/fb/udlfb.txt b/Documentation/fb/udlfb.txt > index 57d2f29..c985cb6 100644 >

Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

On Tuesday 10 May 2016 15:42:07 Zhangjian wrote: > On 2016/5/6 20:37, Yury Norov wrote: > > On Fri, May 06, 2016 at 08:16:48PM +0800, Zhangjian (Bamvor) wrote: > > > > AFAIR, here we don't shift offset, as it's 64-bit both in user- > > and kernel-space, > In your ilp32-2.22 branch, you wrapper

Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

Hi, Sorry I forget to paste my test code: #include #include #include #include #define TEMPFILE "mmapfile" int main(int argc, char *argv[]) { int fd; void *addr; unsigned long offset; unsigned long size; if (argc == 3) { if

[PATCH 13/18] scripts/gdb: Add documentation example for radix tree

From: Kieran Bingham Provide a worked example for utilising the lx_radix_tree_lookup function Cc: Jonathan Corbet Cc: linux-doc@vger.kernel.org Signed-off-by: Kieran Bingham Signed-off-by: Jan Kiszka

Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

Hi, Yury On 2016/5/6 20:37, Yury Norov wrote: On Fri, May 06, 2016 at 08:16:48PM +0800, Zhangjian (Bamvor) wrote: Hi, On 2016/4/6 6:08, Yury Norov wrote: From: Andrew Pinski Add a separate syscall-table for ILP32, which dispatches either to native LP64 system call