On Mon, Oct 19, 2020 at 05:35:46PM +0000, John Baldwin wrote:
> Author: jhb
> Date: Mon Oct 19 17:35:45 2020
> New Revision: 366843
> URL: https://svnweb.freebsd.org/changeset/base/366843
>
> Log:
> Properly clear PCB_KERNNPX in fpu_kern_leave().
>
> PR: 250423
> Reported by: CI
> Tested by: lwhsu
>
> Modified:
> head/sys/i386/i386/npx.c
>
> Modified: head/sys/i386/i386/npx.c
> ==============================================================================
> --- head/sys/i386/i386/npx.c Mon Oct 19 17:07:19 2020 (r366842)
> +++ head/sys/i386/i386/npx.c Mon Oct 19 17:35:45 2020 (r366843)
> @@ -1475,7 +1475,7 @@ fpu_kern_leave(struct thread *td, struct fpu_kern_ctx
> if ((pcb->pcb_flags & PCB_NPXUSERINITDONE) != 0) {
> pcb->pcb_flags |= PCB_NPXINITDONE;
> if ((pcb->pcb_flags & PCB_KERNNPX_THR) == 0)
> - pcb->pcb_flags |= ~PCB_KERNNPX;
> + pcb->pcb_flags &= ~PCB_KERNNPX;
> } else if ((pcb->pcb_flags & PCB_KERNNPX_THR) == 0)
> pcb->pcb_flags &= ~(PCB_NPXINITDONE | PCB_KERNNPX);
> } else {
My bad, thank you for fixing this.
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