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b6231ea2b3
cpm_muram_alloc_common() tries to support a kind of lazy initialization - if the muram_pool has not been created yet, it calls cpm_muram_init(). Now, cpm_muram_alloc_common() is always called under spin_lock_irqsave(&cpm_muram_lock, flags); and cpm_muram_init() does gen_pool_create() (which implies a GFP_KERNEL allocation) and ioremap(), not to mention the fun that ensues from cpm_muram_init() doing spin_lock_init(&cpm_muram_lock); In other words, this has never worked, so nobody can have been relying on it. cpm_muram_init() is called from a subsys_initcall (either from cpm_init() in arch/powerpc/sysdev/cpm_common.c or, via qe_reset(), from qe_init() in drivers/soc/fsl/qe/qe.c). Reviewed-by: Timur Tabi <timur@kernel.org> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Li Yang <leoyang.li@nxp.com> |
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