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authorEric W. Biederman <ebiederm@xmission.com>2018-04-18 00:04:57 +0300
committerEric W. Biederman <ebiederm@xmission.com>2018-04-25 18:40:54 +0300
commit4cc13e4f6d441600737a1c8434cea5281c528fcf (patch)
tree7136d03eacc4b4e0f825628a6adac36ee5ad24a4 /arch/alpha
parent4181d22596f61d060139bb114724f89b3ad28c8d (diff)
downloadlinux-4cc13e4f6d441600737a1c8434cea5281c528fcf.tar.xz
signal/alpha: Replace FPE_FIXME with FPE_FLTUNK
Using an si_code of 0 that aliases with SI_USER is clearly the wrong thing todo, and causes problems in interesting ways. The newly defined FPE_FLTUNK semantically appears to fit the bill so use it instead. Given recent experience in this area odds are it will not break anything. Fixing it removes a hazard to kernel maintenance. Cc: Helge Deller <deller@gmx.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: linux-alpha@vger.kernel.org History Tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git Fixes: 0a635c7a84cf ("Fill in siginfo_t.") Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/include/uapi/asm/siginfo.h7
-rw-r--r--arch/alpha/kernel/osf_sys.c2
-rw-r--r--arch/alpha/kernel/traps.c2
3 files changed, 2 insertions, 9 deletions
diff --git a/arch/alpha/include/uapi/asm/siginfo.h b/arch/alpha/include/uapi/asm/siginfo.h
index 0cf3b527b274..3ebbb1e17902 100644
--- a/arch/alpha/include/uapi/asm/siginfo.h
+++ b/arch/alpha/include/uapi/asm/siginfo.h
@@ -8,13 +8,6 @@
#include <asm-generic/siginfo.h>
/*
- * SIGFPE si_codes
- */
-#ifdef __KERNEL__
-#define FPE_FIXME 0 /* Broken dup of SI_USER */
-#endif /* __KERNEL__ */
-
-/*
* SIGTRAP si_codes
*/
#ifdef __KERNEL__
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index f5f154942aab..bb3619118926 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -872,7 +872,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer,
fex = (exc >> IEEE_STATUS_TO_EXCSUM_SHIFT) & swcr;
if (fex) {
siginfo_t info;
- int si_code = FPE_FIXME;
+ int si_code = FPE_FLTUNK;
if (fex & IEEE_TRAP_ENABLE_DNO) si_code = FPE_FLTUND;
if (fex & IEEE_TRAP_ENABLE_INE) si_code = FPE_FLTRES;
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 91636765dd6d..422b676b28f2 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -328,7 +328,7 @@ do_entIF(unsigned long type, struct pt_regs *regs)
break;
case GEN_ROPRAND:
signo = SIGFPE;
- code = FPE_FIXME;
+ code = FPE_FLTUNK;
break;
case GEN_DECOVF: