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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2007-03-10 01:03:48 +0900
committerRalf Baechle <ralf@linux-mips.org>2007-03-17 01:03:25 +0000
commitc6a2f4679331206ef5d353fc9a6cda2fa4aef8c6 (patch)
tree9634ba2d5b6c6c97f4301b28088c68254201bf74 /arch/mips/kernel/signal-common.h
parentf1dbf8e718ef0ddb196a28bcc71925ac7da881af (diff)
[MIPS] Check FCSR for pending interrupts, alternative version
Commit 6d6671066a311703bca1b91645bb1e04cc983387 is incomplete and misses non-r4k CPUs. This patch reverts the commit and fixes in other way. o Do FCSR checking in caller of restore_fp_context. o Send SIGFPE if the signal handler set any FPU exception bits. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/signal-common.h')
-rw-r--r--arch/mips/kernel/signal-common.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index fdbdbdc65b5..297dfcb9752 100644
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -31,4 +31,7 @@ extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
*/
extern int install_sigtramp(unsigned int __user *tramp, unsigned int syscall);
+/* Check and clear pending FPU exceptions in saved CSR */
+extern int fpcsr_pending(unsigned int __user *fpcsr);
+
#endif /* __SIGNAL_COMMON_H */