30 Oct
2025
30 Oct
'25
9:48 p.m.
On Thu, Oct 30, 2025 at 07:05:16PM +0100, Jason A. Donenfeld wrote:
I didn't see this on LKML or any mailing list before this appeared in tip. Did I miss something?
Also, by the way,
Link: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7055.html
Until the microcode patch is deployed, the following software workaround options could be used:
[...]
- Software can treat RDSEED returning 0 equivalent to when CF=0. Retry RDSEED later until a non-zero value is returned with CF=1
You sure that's such a good idea?
Jason