>> +
>> +When CONFIG_ARM64_PTR_AUTH is selected, and relevant HW support is
>> +present, the kernel will assign a random APIAKey value to each process
>> +at exec*() time. This key is shared by all threads within the process,
>> +and the key is preserved across fork(). Presence of functionality u
On 19/10/2018 12:35, Catalin Marinas wrote:
On Tue, Oct 16, 2018 at 05:14:39PM +0100, Kristina Martsenko wrote:
On 05/10/2018 10:04, Ramana Radhakrishnan wrote:
On 05/10/2018 09:47, Kristina Martsenko wrote:
+Virtualization
+--
+
+Pointer authentication is not currently
On 19/10/2018 13:36, Will Deacon wrote:
> On Fri, Oct 05, 2018 at 09:47:37AM +0100, Kristina Martsenko wrote:
>> 1) Key support
>>
>> This series enables the use of instructions using APIAKey, which is
>> initialised and maintained per-process (shared by all threads). GCC
>> currently only makes us
On 19/10/2018 12:15, Catalin Marinas wrote:
> On Fri, Oct 05, 2018 at 09:47:44AM +0100, Kristina Martsenko wrote:
>> diff --git a/arch/arm64/include/asm/pointer_auth.h
>> b/arch/arm64/include/asm/pointer_auth.h
>> new file mode 100644
>> index ..2aefedc31d9e
>> --- /dev/null
>> +++ b/a
provide ROP and JOP protection using BTI from v8.5-a
during the GCC-9 timeframe but I suspect that's a different option.
regards
Ramana
Reviewed-by: Ramana Radhakrishnan
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ff-by: Kristina Martsenko
Cc: Andrew Jones
Cc: Catalin Marinas
Cc: Ramana Radhakrishnan
Cc: Will Deacon
---
Documentation/arm64/booting.txt| 8 +++
Documentation/arm64/cpu-feature-registers.txt | 4 ++
Documentation/arm64/elf_hwcaps.txt | 5 ++
Documentation/
