Commit-ID:  914fb85f01571233af199a78ed1f88d9268421fd
Gitweb:     http://git.kernel.org/tip/914fb85f01571233af199a78ed1f88d9268421fd
Author:     Anna-Maria Gleixner <[email protected]>
AuthorDate: Sun, 27 Nov 2016 00:13:43 +0100
Committer:  Thomas Gleixner <[email protected]>
CommitDate: Fri, 2 Dec 2016 00:52:37 +0100

arm64/cpuinfo: Make hotplug notifier symmetric

There is no requirement to keep the sysfs files around until the CPU is
completely dead. Remove them during the DOWN_PREPARE notification. This is
a preparatory patch for converting to the hotplug state machine.

Signed-off-by: Anna-Maria Gleixner <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Reviewed-by: Suzuki K Poulose <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>

---
 arch/arm64/kernel/cpuinfo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index b3d5b3e..19aad70 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -272,9 +272,10 @@ static int cpuid_callback(struct notifier_block *nb,
 
        switch (action & ~CPU_TASKS_FROZEN) {
        case CPU_ONLINE:
+       case CPU_DOWN_FAILED:
                rc = cpuid_add_regs(cpu);
                break;
-       case CPU_DEAD:
+       case CPU_DOWN_PREPARE:
                rc = cpuid_remove_regs(cpu);
                break;
        }

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