On 3/7/25 08:41, Chao Gao wrote: > Note that this issue does not cause any functional problems because the > guest fpstate is allocated using vmalloc(), which aligns the size to a > full page, providing enough space for all existing supervisor components. > On Emerald Rapids CPUs, the guest fpstate after this correction is ~2880 > bytes. How about we move up the fpstate pointers at allocation time so they just scrape the end of the vmalloc buffer? Basically, move the page-alignment padding to the beginning of the first page instead of the end of the last page.
