diff options
| author | kib <kib@FreeBSD.org> | 2016-08-17 07:09:22 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2016-08-17 07:09:22 +0000 |
| commit | e07c03288156626bf033777c19c6a56a761ac58e (patch) | |
| tree | b1b7e11b8c61e7a126c486da591317d4278aa280 | |
| parent | 9250a0d2067c333c7fa87a374f7a5612c4179f71 (diff) | |
| download | FreeBSD-src-e07c03288156626bf033777c19c6a56a761ac58e.zip FreeBSD-src-e07c03288156626bf033777c19c6a56a761ac58e.tar.gz | |
MFC r303913:
Unconditionally perform checks that FPU region was entered, when #NM
exception is caught in kernel mode.
| -rw-r--r-- | sys/amd64/amd64/trap.c | 4 | ||||
| -rw-r--r-- | sys/i386/i386/trap.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/sys/amd64/amd64/trap.c b/sys/amd64/amd64/trap.c index 218c8cf..f487c44 100644 --- a/sys/amd64/amd64/trap.c +++ b/sys/amd64/amd64/trap.c @@ -448,8 +448,8 @@ 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; diff --git a/sys/i386/i386/trap.c b/sys/i386/i386/trap.c index 2fcf690..a186ff5 100644 --- a/sys/i386/i386/trap.c +++ b/sys/i386/i386/trap.c @@ -534,8 +534,8 @@ 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 |
