From 80ca69f40f26fb016e6d863b48fe1a1abdae8840 Mon Sep 17 00:00:00 2001 From: Markos Chandras Date: Thu, 16 Jan 2014 13:11:08 +0000 Subject: [PATCH] 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 --- arch/mips/mm/c-r4k.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 6332a9e84f01..9b223e07f784 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -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) { -- 2.30.2