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* [PATCH 3/4] i386: modpost smpboot code warning fix
@ 2007-01-03 11:34 Vivek Goyal
  0 siblings, 0 replies; only message in thread
From: Vivek Goyal @ 2007-01-03 11:34 UTC (permalink / raw)
  To: linux kernel mailing list
  Cc: Fastboot mailing list, Morton Andrew Morton, Andi Kleen,
	Eric W. Biederman, Sam Ravnborg



o Currently synchronize_tsc_ap() is of type __init. It is called by
  smp_callin() which is of type __cpuinit. So synchronize_tsc_ap()
  should be of type __cpuinit.

o Modpost generates warnings for i386 if CONFIG_RELOCATABLE=y and
  CONFIG_HOTPLUG_CPU=y

WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between 'start_secondary' (at offset 0xc01164dc) and 'initialize_secondary'
WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between 'start_secondary' (at offset 0xc01164e8) and 'initialize_secondary'

o tsc is of type __initdata. It should be of type __cpuinitdata. 

Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
---

 arch/i386/kernel/smpboot.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN arch/i386/kernel/smpboot.c~i386-modpost-smpboot-code-warning-fixes arch/i386/kernel/smpboot.c
--- linux-2.6.20-rc2-mm1-reloc/arch/i386/kernel/smpboot.c~i386-modpost-smpboot-code-warning-fixes	2007-01-03 11:56:55.000000000 +0530
+++ linux-2.6.20-rc2-mm1-reloc-root/arch/i386/kernel/smpboot.c	2007-01-03 11:56:55.000000000 +0530
@@ -227,7 +227,7 @@ static struct {
 	atomic_t count_start;
 	atomic_t count_stop;
 	unsigned long long values[NR_CPUS];
-} tsc __initdata = {
+} tsc __cpuinitdata = {
 	.start_flag = ATOMIC_INIT(0),
 	.count_start = ATOMIC_INIT(0),
 	.count_stop = ATOMIC_INIT(0),
@@ -332,7 +332,7 @@ static void __init synchronize_tsc_bp(vo
 		printk("passed.\n");
 }
 
-static void __init synchronize_tsc_ap(void)
+static void __cpuinit synchronize_tsc_ap(void)
 {
 	int i;
 
_

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2007-01-03 11:34 [PATCH 3/4] i386: modpost smpboot code warning fix Vivek Goyal

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