Author: kib Date: Wed Aug 17 07:07:24 2016 New Revision: 304260 URL: https://svnweb.freebsd.org/changeset/base/304260
Log: MFC r303913: Unconditionally perform checks that FPU region was entered, when #NM exception is caught in kernel mode. Modified: stable/11/sys/amd64/amd64/trap.c stable/11/sys/i386/i386/trap.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/amd64/amd64/trap.c ============================================================================== --- stable/11/sys/amd64/amd64/trap.c Wed Aug 17 06:58:43 2016 (r304259) +++ stable/11/sys/amd64/amd64/trap.c Wed Aug 17 07:07:24 2016 (r304260) @@ -443,8 +443,8 @@ trap(struct trapframe *frame) goto out; case T_DNA: - KASSERT(!PCB_USER_FPU(td->td_pcb), - ("Unregistered use of FPU in kernel")); + if (PCB_USER_FPU(td->td_pcb)) + panic("Unregistered use of FPU in kernel"); fpudna(); goto out; Modified: stable/11/sys/i386/i386/trap.c ============================================================================== --- stable/11/sys/i386/i386/trap.c Wed Aug 17 06:58:43 2016 (r304259) +++ stable/11/sys/i386/i386/trap.c Wed Aug 17 07:07:24 2016 (r304260) @@ -540,8 +540,8 @@ trap(struct trapframe *frame) case T_DNA: #ifdef DEV_NPX - KASSERT(!PCB_USER_FPU(td->td_pcb), - ("Unregistered use of FPU in kernel")); + if (PCB_USER_FPU(td->td_pcb)) + panic("Unregistered use of FPU in kernel"); if (npxdna()) goto out; #endif _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"