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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: Markos Chandras <markos.chandras@imgtec.com>
hifive-unleashed-5.1
Markos Chandras 2014-01-16 13:11:08 +00:00 committed by Ralf Baechle
parent 4caa906ee9
commit 80ca69f40f
1 changed files with 4 additions and 2 deletions
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6
arch/mips/mm/c-r4k.c
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@ -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) {