2015-08-18 8:36 GMT+03:00 Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com:
Andrey Ryabinin ryabinin@gmail.com writes:
2015-08-17 15:13 GMT+03:00 Andrey Ryabinin ryabinin@gmail.com:
Did you disable stack instrumentation (in scripts/Makefile.kasa),
or you version of gcc doesn't
On 08/17/2015 09:36 AM, Aneesh Kumar K.V wrote:
We use the region with region ID 0xe as the kasan shadow region. Since
we use hash page table, we can't have the early zero page based shadow
region support. Hence we disable kasan in the early code and runtime
enable this. We could imporve the
2015-08-17 15:13 GMT+03:00 Andrey Ryabinin ryabinin@gmail.com:
Did you disable stack instrumentation (in scripts/Makefile.kasa),
or you version of gcc doesn't support it (e.g. like 4.9.x on x86) ?
Because this can't work with stack instrumentation as you don't have shadow
for stack in
Andrey Ryabinin ryabinin@gmail.com writes:
On 08/17/2015 09:36 AM, Aneesh Kumar K.V wrote:
We use the region with region ID 0xe as the kasan shadow region. Since
we use hash page table, we can't have the early zero page based shadow
region support. Hence we disable kasan in the early code
Andrey Ryabinin ryabinin@gmail.com writes:
2015-08-17 15:13 GMT+03:00 Andrey Ryabinin ryabinin@gmail.com:
Did you disable stack instrumentation (in scripts/Makefile.kasa),
or you version of gcc doesn't support it (e.g. like 4.9.x on x86) ?
Because this can't work with stack
We use the region with region ID 0xe as the kasan shadow region. Since
we use hash page table, we can't have the early zero page based shadow
region support. Hence we disable kasan in the early code and runtime
enable this. We could imporve the condition using static keys. (but
that is for a later