Re: [PATCH] x86/bhi: BHI mitigation can trigger warning in #DB handler

[Dave Hansen]

On 5/23/24 05:33, Alexandre Chartre wrote:
> The problem can be reproduced with the following sequence:
> 
>  $ cat sysenter_step.c
>  int main()
>  { asm("pushf; pop %ax; bts $8,%ax; push %ax; popf; sysenter"); }
> 
>  $ gcc -o sysenter_step sysenter_step.c
> 
>  $ ./sysenter_step
>  Segmentation fault (core dumped)
> 
> The program is expected to crash, and the #DB handler will issue a warning.

Should we wrap up this gem and put it with the other entry selftests?