diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2007-10-27 20:04:29 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2007-10-27 20:04:29 +0000 |
| commit | d8c944bf8111b650dc8741c28861aadf71f6174d (patch) | |
| tree | 42b231841ff6937e338e8cb3a0168e46735f24aa | |
| parent | 225137d131c37304b8cf51805e6eb0446fddfc30 (diff) | |
Since ipis are not synchronous, make sure that ci_fpproc is not NULL before
invoking savefpstate in ipi_save_fpstate. ok kettenis@
| -rw-r--r-- | sys/arch/sparc64/sparc64/locore.s | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/arch/sparc64/sparc64/locore.s b/sys/arch/sparc64/sparc64/locore.s index 4bf72cd0f09..baab493741f 100644 --- a/sys/arch/sparc64/sparc64/locore.s +++ b/sys/arch/sparc64/sparc64/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.95 2007/10/27 17:17:23 kettenis Exp $ */ +/* $OpenBSD: locore.s,v 1.96 2007/10/27 20:04:28 miod Exp $ */ /* $NetBSD: locore.s,v 1.137 2001/08/13 06:10:10 jdolecek Exp $ */ /* @@ -3369,10 +3369,13 @@ ENTRY(ipi_save_fpstate) membar #Sync sethi %hi(FPPROC), %o0 ldx [%o0 + %lo(FPPROC)], %o0 + brz,pn %o0, 1f + nop call savefpstate ldx [%o0 + P_FPSTATE], %o0 sethi %hi(FPPROC), %o0 stx %g0, [%o0 + %lo(FPPROC)] ! fpproc = NULL +1: mov CTX_PRIMARY, %o2 stxa %g7, [%o2] ASI_DMMU membar #Sync |