On 02/03/18 12:01, Jan Beulich wrote:
>
> @@ -16,9 +16,9 @@
> *
> * 7 - Primary stack (with a struct cpu_info at the top)
> * 6 - Primary stack
> - * 5 - Optionally not preset (MEMORY_GUARD)
> - * 4 - unused
> - * 3 - Syscall trampolines
> + * 5 - Optionally not present (MEMORY_GUARD)
> + * 4
>>> On 02.03.18 at 12:51, wrote:
> On 02/03/18 11:24, Jan Beulich wrote:
>> --- a/xen/arch/x86/mm.c
>> +++ b/xen/arch/x86/mm.c
>> @@ -5563,10 +5563,11 @@ void memguard_unguard_range(void *p, uns
>>
>> void memguard_guard_stack(void *p)
>> {
>> -BUILD_BUG_ON((PRIMARY_STACK_SIZE + PAGE_SIZE)
On 02/03/18 11:24, Jan Beulich wrote:
> There's no reason to keep the unused pages (of which there are actually
> two; respective commentary also gets adjusted) mapped.
>
> Signed-off-by: Jan Beulich
>
> --- a/xen/arch/x86/mm.c
> +++ b/xen/arch/x86/mm.c
> @@ -5563,10 +5563,11 @@ void memguard_ungu
There's no reason to keep the unused pages (of which there are actually
two; respective commentary also gets adjusted) mapped.
Signed-off-by: Jan Beulich
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -5563,10 +5563,11 @@ void memguard_unguard_range(void *p, uns
void memguard_guard_stack(
