On Mon, Aug 22, 2016 at 11:24:56AM +0100, David Vrabel wrote:
> On 22/08/16 11:10, Wei Liu wrote:
> > On Mon, Aug 22, 2016 at 10:46:50AM +0100, David Vrabel wrote:
> >> On 17/08/16 15:33, Wei Liu wrote:
> >>> The semantics of alloca(3) is not very nice. If the stack overflows,
> >>> program behavio
On 22/08/16 11:10, Wei Liu wrote:
> On Mon, Aug 22, 2016 at 10:46:50AM +0100, David Vrabel wrote:
>> On 17/08/16 15:33, Wei Liu wrote:
>>> The semantics of alloca(3) is not very nice. If the stack overflows,
>>> program behaviour is undefined.
>>>
>>> Remove the use of alloca(3) and always use mmap
On Mon, Aug 22, 2016 at 10:46:50AM +0100, David Vrabel wrote:
> On 17/08/16 15:33, Wei Liu wrote:
> > The semantics of alloca(3) is not very nice. If the stack overflows,
> > program behaviour is undefined.
> >
> > Remove the use of alloca(3) and always use mmap.
>
> This is only using alloca() i
On 17/08/16 15:33, Wei Liu wrote:
> The semantics of alloca(3) is not very nice. If the stack overflows,
> program behaviour is undefined.
>
> Remove the use of alloca(3) and always use mmap.
This is only using alloca() if the allocation is < PAGE_SIZE. I think
assuming there's this much extra s
The semantics of alloca(3) is not very nice. If the stack overflows,
program behaviour is undefined.
Remove the use of alloca(3) and always use mmap.
Signed-off-by: Wei Liu
---
tools/libs/gnttab/linux.c | 19 ++-
1 file changed, 6 insertions(+), 13 deletions(-)
diff --git a/too
