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Commit 09156a7a authored by Márton Németh's avatar Márton Németh Committed by Benjamin Herrenschmidt
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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: default avatarMárton Németh <nm127@freemail.hu>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 409d241b

arch/powerpc/kernel/head_fsl_booke.S

+4 −0
Original line number Diff line number Diff line
@@ -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 */