lkml.org 
[lkml]   [2016]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 06/13] fork: Add generic vmalloced stack support
On Thu, Jun 16, 2016 at 10:25 AM, Kees Cook <keescook@chromium.org> wrote:
> On Wed, Jun 15, 2016 at 5:28 PM, Andy Lutomirski <luto@kernel.org> wrote:
>> If CONFIG_VMAP_STACK is selected, kernel stacks are allocated with
>> vmalloc_node.
>>
>> Signed-off-by: Andy Lutomirski <luto@kernel.org>
>> ---
>> arch/Kconfig | 12 ++++++++++++
>> kernel/fork.c | 45 +++++++++++++++++++++++++++++++++++++--------
>> 2 files changed, 49 insertions(+), 8 deletions(-)
>>
>> diff --git a/arch/Kconfig b/arch/Kconfig
>> index d794384a0404..1acd262036b0 100644
>> --- a/arch/Kconfig
>> +++ b/arch/Kconfig
>> @@ -658,4 +658,16 @@ config ARCH_NO_COHERENT_DMA_MMAP
>> config CPU_NO_EFFICIENT_FFS
>> def_bool n
>>
>> +config HAVE_ARCH_VMAP_STACK
>> + def_bool n
>
> In the style of HAVE_ARCH_SECCOMP_FILTER, can you detail all the
> things an architecture needs to do to correctly support a vmap stack?
> This will help with arch porting.

Done.

\
 
 \ /
  Last update: 2016-06-16 20:21    [W:0.106 / U:0.756 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site