From: Ralf Baechle Date: Thu, 10 Feb 2005 13:54:37 +0000 (+0000) Subject: Moves a test which determines if we actually need to perform a X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=79acf83e509dd0ca3db6c747bf58931984abc6e3;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git Moves a test which determines if we actually need to perform a cacheflush to the right place. That's a bug which is harmless on UP but a severe bug on SMP. Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index b165b73e2583..429167321cfb 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -376,6 +376,13 @@ static inline void local_r4k_flush_cache_page(void *args) pmd_t *pmdp; pte_t *ptep; + /* + * If ownes no valid ASID yet, cannot possibly have gotten + * this page into the cache. + */ + if (cpu_context(smp_processor_id(), vma->vm_mm) == 0) + return; + page &= PAGE_MASK; pgdp = pgd_offset(mm, page); pudp = pud_offset(pgdp, page); @@ -432,13 +439,6 @@ static void r4k_flush_cache_page(struct vm_area_struct *vma, unsigned long page, { struct flush_cache_page_args args; - /* - * If ownes no valid ASID yet, cannot possibly have gotten - * this page into the cache. - */ - if (cpu_context(smp_processor_id(), vma->vm_mm) == 0) - return; - args.vma = vma; args.page = page;