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authorIngo Molnar <mingo@kernel.org>2016-11-23 07:18:09 +0100
committerIngo Molnar <mingo@kernel.org>2016-11-23 07:18:09 +0100
commit064e6a8ba61a751625478f656c6f76a6f37a009e (patch)
treea22d84d037543f74b6c86969c7e87ab799768de9 /arch/powerpc/kernel/setup_64.c
parentaf25ed59b5616b389d90877f7085dc5d457a3d49 (diff)
parent23400ac997062647f2b63c82030d189671b1effe (diff)
Merge branch 'linus' into x86/fpu, to resolve conflicts
Conflicts: arch/x86/kernel/fpu/core.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
-rw-r--r--arch/powerpc/kernel/setup_64.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 7ac8e6eaab5b..8d586cff8a41 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -226,17 +226,25 @@ static void __init configure_exceptions(void)
if (firmware_has_feature(FW_FEATURE_OPAL))
opal_configure_cores();
- /* Enable AIL if supported, and we are in hypervisor mode */
- if (early_cpu_has_feature(CPU_FTR_HVMODE) &&
- early_cpu_has_feature(CPU_FTR_ARCH_207S)) {
- unsigned long lpcr = mfspr(SPRN_LPCR);
- mtspr(SPRN_LPCR, lpcr | LPCR_AIL_3);
- }
+ /* AIL on native is done in cpu_ready_for_interrupts() */
}
}
static void cpu_ready_for_interrupts(void)
{
+ /*
+ * Enable AIL if supported, and we are in hypervisor mode. This
+ * is called once for every processor.
+ *
+ * If we are not in hypervisor mode the job is done once for
+ * the whole partition in configure_exceptions().
+ */
+ if (early_cpu_has_feature(CPU_FTR_HVMODE) &&
+ early_cpu_has_feature(CPU_FTR_ARCH_207S)) {
+ unsigned long lpcr = mfspr(SPRN_LPCR);
+ mtspr(SPRN_LPCR, lpcr | LPCR_AIL_3);
+ }
+
/* Set IR and DR in PACA MSR */
get_paca()->kernel_msr = MSR_KERNEL;
}