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Commit 80ca69f4 authored by Markos Chandras's avatar Markos Chandras Committed by Ralf Baechle
Browse files

MIPS: mm: c-r4k: Add support for flushing user pages from cache 



Use the userspace cache flushing functions if the interrupted
process is a userspace one.

Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
parent 4caa906e

arch/mips/mm/c-r4k.c

+4 −2
Original line number Diff line number Diff line
@@ -562,7 +562,8 @@ static inline void local_r4k_flush_cache_page(void *args) 
	}



	if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) {

		r4k_blast_dcache_page(addr);

		vaddr ? r4k_blast_dcache_page(addr) :

			r4k_blast_dcache_user_page(addr);

		if (exec && !cpu_icache_snoops_remote_store)

			r4k_blast_scache_page(addr);

	}
@@ -573,7 +574,8 @@ static inline void local_r4k_flush_cache_page(void *args) 
			if (cpu_context(cpu, mm) != 0)

				drop_mmu_context(mm, cpu);

		} else

			r4k_blast_icache_page(addr);

			vaddr ? r4k_blast_icache_page(addr) :

				r4k_blast_icache_user_page(addr);

	}



	if (vaddr) {