On 17/03/2022 14:21, Jan Beulich wrote:
> On 17.03.2022 15:06, Andrew Cooper wrote:
>> For livepatching, we need to look at a potentially clobbered function and
>> determine whether it used to have an ENDBR64 instruction.
>>
>> Use a non-default 4-byte P6 long nop, not emitted by toolchains, and
On 17.03.2022 15:06, Andrew Cooper wrote:
> For livepatching, we need to look at a potentially clobbered function and
> determine whether it used to have an ENDBR64 instruction.
>
> Use a non-default 4-byte P6 long nop, not emitted by toolchains, and extend
> check-endbr.sh to look for it. The
For livepatching, we need to look at a potentially clobbered function and
determine whether it used to have an ENDBR64 instruction.
Use a non-default 4-byte P6 long nop, not emitted by toolchains, and extend
check-endbr.sh to look for it. The same logic can check for the absence of
any endbr32
