Re: [Qemu-devel] [PATCH V7 1/6] oslib-posix: add helpers for stack alloc and free

[Richard Henderson]

On 08/23/2016 07:21 AM, Peter Lieven wrote:
> the allocated stack will be adjusted to the minimum supported stack size
> by the OS and rounded up to be a multiple of the system pagesize.
> Additionally an architecture dependent guard page is added to the stack
> to catch stack overflows. The memory for the guard page is deductated from
> stack memory so that the usable stack size is effectively reduced by the size
> of one page. This is equivalent to how the glibc stack allocation routines
> behave.
> 
> Signed-off-by: Peter Lieven <address@hidden>
> ---
>  include/sysemu/os-posix.h | 27 ++++++++++++++++++++++++++
>  util/oslib-posix.c        | 48 
> +++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 75 insertions(+)

Reviewed-by: Richard Henderson <address@hidden>


r~