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authorAnton Arapov <anton@redhat.com>2012-10-29 11:15:37 +0100
committerAnton Arapov <anton@redhat.com>2012-10-29 11:15:37 +0100
commit7d558cd9c7b18e4b16953265aa0da45e63f3b968 (patch)
tree7135d5a810768c9c619346282ee9cfdf1765e225 /arch/arm/mm/proc-v7-2level.S
parent985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2 (diff)
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fedora kernel: cd394142aac30b5c751f25b517572e2448695641v3.6.3-2f17
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mm/proc-v7-2level.S')
-rw-r--r--arch/arm/mm/proc-v7-2level.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S
index 42ac069c801..fd045e70639 100644
--- a/arch/arm/mm/proc-v7-2level.S
+++ b/arch/arm/mm/proc-v7-2level.S
@@ -46,6 +46,11 @@ ENTRY(cpu_v7_switch_mm)
#ifdef CONFIG_ARM_ERRATA_430973
mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB
#endif
+#ifdef CONFIG_PID_IN_CONTEXTIDR
+ mrc p15, 0, r2, c13, c0, 1 @ read current context ID
+ lsr r2, r2, #8 @ extract the PID
+ bfi r1, r2, #8, #24 @ insert into new context ID
+#endif
#ifdef CONFIG_ARM_ERRATA_754322
dsb
#endif