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powerpc/book3s: Add flush_tlb operation in cpu_spec.

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This patch introduces flush_tlb operation in cpu_spec structure. This will
help us to invoke appropriate CPU-side flush tlb routine. This patch
adds the foundation to invoke CPU specific flush routine for respective
architectures. Currently this patch introduce flush_tlb for p7 and p8.

Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Mahesh Salgaonkar
2013-10-30 20:04:56 +05:30
committed by Benjamin Herrenschmidt
parent 4c703416ef
commit 0440705049
4 changed files with 44 additions and 25 deletions
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5
arch/powerpc/include/asm/cputable.h
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@@ -97,6 +97,11 @@ struct cpu_spec {
*/
long (*machine_check_early)(struct pt_regs *regs);
/*
* Processor specific routine to flush tlbs.
*/
void (*flush_tlb)(unsigned long inval_selector);
};
extern struct cpu_spec *cur_cpu_spec;