linux-kernel - [PATCH v2 2/6] powerpc: invoke jump_label

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Message-Id: <1440415228-8006-3-git-send-email-haokexin@gmail.com>
Date:	Mon, 24 Aug 2015 19:20:24 +0800
From:	Kevin Hao <haokexin@...il.com>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/6] powerpc: invoke jump_label_init() in a much earlier stage

So we can use static_key for cpu_has_feature() and mmu_has_feature().

Signed-off-by: Kevin Hao <haokexin@...il.com>
---
v2: No change.

 arch/powerpc/kernel/setup_32.c | 2 ++
 arch/powerpc/kernel/setup_64.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index bb02e9f6944e..35980a2785ba 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -113,6 +113,8 @@ notrace void __init machine_init(u64 dt_ptr)
 {
 	lockdep_init();
 
+	jump_label_init();
+
 	/* Enable early debugging if any specified (see udbg.h) */
 	udbg_early_init();
 
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index bdcbb716f4d6..f0802a0b4a20 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -250,6 +250,8 @@ void __init early_setup(unsigned long dt_ptr)
 	/* Initialize lockdep early or else spinlocks will blow */
 	lockdep_init();
 
+	jump_label_init();
+
 	/* -------- printk is now safe to use ------- */
 
 	/* Enable early debugging if any specified (see udbg.h) */
-- 
2.1.0

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