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authorAndi Kleen <ak@linux.intel.com>2010-10-22 17:40:07 +0200
committerAndi Kleen <ak@linux.intel.com>2010-10-22 17:40:07 +0200
commitdf27570f43923c246567b074418411c06cf0dce2 (patch)
tree1390735b5232b579f6eb0bb9bb25df019d4ce795
parentd4429f608abde89e8bc1e24b43cd503feb95c496 (diff)
parentf7cb8b5ffd16edad64ae16ee38c561f98cbcaa3b (diff)
Merge branch 'hwpoison-fixes-2.6.37' into hwpoison
-rw-r--r--arch/ia64/include/asm/siginfo.h1
-rw-r--r--fs/signalfd.c10
-rw-r--r--include/linux/signalfd.h3
3 files changed, 13 insertions, 1 deletions
diff --git a/arch/ia64/include/asm/siginfo.h b/arch/ia64/include/asm/siginfo.h
index 118d4297900..c8fcaa2ac48 100644
--- a/arch/ia64/include/asm/siginfo.h
+++ b/arch/ia64/include/asm/siginfo.h
@@ -62,6 +62,7 @@ typedef struct siginfo {
int _imm; /* immediate value for "break" */
unsigned int _flags; /* see below */
unsigned long _isr; /* isr */
+ short _addr_lsb; /* lsb of faulting address */
} _sigfault;
/* SIGPOLL */
diff --git a/fs/signalfd.c b/fs/signalfd.c
index 1c5a6add779..bdd4496ae67 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -99,6 +99,16 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo,
#ifdef __ARCH_SI_TRAPNO
err |= __put_user(kinfo->si_trapno, &uinfo->ssi_trapno);
#endif
+#ifdef BUS_MCEERR_AO
+ /*
+ * Other callers might not initialize the si_lsb field,
+ * so check explicitly for the right codes here.
+ */
+ if (kinfo->si_code == BUS_MCEERR_AR ||
+ kinfo->si_code == BUS_MCEERR_AO)
+ err |= __put_user((short) kinfo->si_addr_lsb,
+ &uinfo->ssi_addr_lsb);
+#endif
break;
case __SI_CHLD:
err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid);
diff --git a/include/linux/signalfd.h b/include/linux/signalfd.h
index b363b916c90..3ff4961da9b 100644
--- a/include/linux/signalfd.h
+++ b/include/linux/signalfd.h
@@ -33,6 +33,7 @@ struct signalfd_siginfo {
__u64 ssi_utime;
__u64 ssi_stime;
__u64 ssi_addr;
+ __u16 ssi_addr_lsb;
/*
* Pad strcture to 128 bytes. Remember to update the
@@ -43,7 +44,7 @@ struct signalfd_siginfo {
* comes out of a read(2) and we really don't want to have
* a compat on read(2).
*/
- __u8 __pad[48];
+ __u8 __pad[46];
};