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authorMark Brown <broonie@kernel.org>2016-07-29 21:38:37 +0100
committerMark Brown <broonie@kernel.org>2016-07-29 21:38:37 +0100
commitda9a92f0cde9ce34a930d7edcaef30429e41d14a (patch)
tree44095fbc8f83990330437d11c7a9fc699a5e2521 /arch/powerpc/kernel/process.c
parentaa6b4960f4571ecc422a13b2490e91f5debb64a1 (diff)
parentb0ba6b0a5eb2b51037a07dbf5a7470ca804d575c (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'arch/powerpc/kernel/process.c')
-rw-r--r--arch/powerpc/kernel/process.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index a7b91b54c813..b7abf3cd2a67 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1239,6 +1239,16 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
current->thread.regs = regs - 1;
}
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ /*
+ * Clear any transactional state, we're exec()ing. The cause is
+ * not important as there will never be a recheckpoint so it's not
+ * user visible.
+ */
+ if (MSR_TM_SUSPENDED(mfmsr()))
+ tm_reclaim_current(0);
+#endif
+
memset(regs->gpr, 0, sizeof(regs->gpr));
regs->ctr = 0;
regs->link = 0;