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| author | Márton Németh <nm127@freemail.hu> | 2010-03-06 22:43:55 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-03-19 16:38:16 +1100 |
| commit | 09156a7a409cf93d1ca2706bf05d714879a5b7ea (patch) | |
| tree | 086dd7c6ddd9973e702695cb73e1075b4b2f28b7 /arch | |
| parent | 409d241b7bb2cf0278186040ace1c4704fb2a82f (diff) | |
| download | linux-stable-09156a7a409cf93d1ca2706bf05d714879a5b7ea.tar.gz linux-stable-09156a7a409cf93d1ca2706bf05d714879a5b7ea.tar.bz2 linux-stable-09156a7a409cf93d1ca2706bf05d714879a5b7ea.zip | |
powerpc: Do not call prink when CONFIG_PRINTK is not defined
When printk() is disabled (CONFIG_PRINTK) at menu item
General setup
-> Configure standard kernel features (for small systems)
-> Enable support for printk
then there should be no printk() calls at all.
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index a7cf4934342c..725526547994 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -884,13 +884,17 @@ KernelSPE: lwz r3,_MSR(r1) oris r3,r3,MSR_SPE@h stw r3,_MSR(r1) /* enable use of SPE after return */ +#ifdef CONFIG_PRINTK lis r3,87f@h ori r3,r3,87f@l mr r4,r2 /* current */ lwz r5,_NIP(r1) bl printk +#endif b ret_from_except +#ifdef CONFIG_PRINTK 87: .string "SPE used in kernel (task=%p, pc=%x) \n" +#endif .align 4,0 #endif /* CONFIG_SPE */ |