On 10.02.2020 13:09, Roger Pau Monné wrote:
> On Mon, Feb 10, 2020 at 11:42:06AM +, Andrew Cooper wrote:
>> Writing to the stack pointer in the middle of a line of pop operations is
>> specifically recommended against by the optimisation guide, and is a
>> technique
>> used by Speculative Load
On Mon, Feb 10, 2020 at 11:42:06AM +, Andrew Cooper wrote:
> Writing to the stack pointer in the middle of a line of pop operations is
> specifically recommended against by the optimisation guide, and is a technique
> used by Speculative Load Hardening to combat SpectreRSB.
>
> In practice, it
Writing to the stack pointer in the middle of a line of pop operations is
specifically recommended against by the optimisation guide, and is a technique
used by Speculative Load Hardening to combat SpectreRSB.
In practice, it causes all further stack-relative accesses to block until the
write to t
