Skip to content

[SPR] CPU: AMX: Improve the init_fpstate setup code

Dean Nelson requested to merge dnlsn/kernel_centos-stream-9:bz2122851 into main

Bugzilla: https://bugzilla.redhat.com/2122851

When AMX is enabled, this buffer is too small to include AMX TILE_DATA (8KB) as it is statically allocated with about a page. But, the buffer is formatted to have them all although using the compacted format. This also leads to a noisy splat with XRSTORS as it expects all the buffer memory accessible.

The middle 3 commits of this MR are required to address this. The first and last commits are simply tagging along for the ride.

Signed-off-by: Dean Nelson dnelson@redhat.com

Edited by Dean Nelson

Merge request reports