On Fri, 2019-05-17 at 14:01 -0700, Rick Edgecomb e wrote:
> Meelis Roos reported issues with the new VM_FLUSH_RESET_PERMS flag on
> the
> sparc architecture.
>
Argh, this patch is not correct in the flush range for non-x86. I'll
send a revision.
Hi,
After investigating this more, I am not positive why this fixes the
issue on sparc. I will continue to investigate as best I can, but would
like to request help from some sparc experts on evaluating my line of
thinking. I think the changes in this patch are still very worthwhile
generally thou
Meelis Roos reported issues with the new VM_FLUSH_RESET_PERMS flag on the
sparc architecture.
When freeing many BPF JITs at once the free operations can become stuck
waiting for locks as they each try to vm_unmap_aliases(). Calls to this
function happen frequently on some archs, but in vmalloc its