diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-09-14 07:07:18 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-09-14 07:07:18 +1000 |
| commit | c547fc28ab3e8716076fdaf4bd0260c5d63a18f7 (patch) | |
| tree | 34af1fa64a63618660187ae58ad182665a1861ef /arch/arm/mm | |
| parent | 3dd836a56de0d4f049438412959b905e1db4666e (diff) | |
| parent | 63b98080daa35f0d682db04f4fb7ada010888752 (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/flush.c | 26 | ||||
| -rw-r--r-- | arch/arm/mm/proc-arm926.S | 2 |
2 files changed, 27 insertions, 1 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index b103e56806b..d438ce41cdd 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -87,6 +87,32 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig if (cache_is_vipt_aliasing()) flush_pfn_alias(pfn, user_addr); } + +void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, + unsigned long uaddr, void *kaddr, + unsigned long len, int write) +{ + if (cache_is_vivt()) { + if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) { + unsigned long addr = (unsigned long)kaddr; + __cpuc_coherent_kern_range(addr, addr + len); + } + return; + } + + if (cache_is_vipt_aliasing()) { + flush_pfn_alias(page_to_pfn(page), uaddr); + return; + } + + /* VIPT non-aliasing cache */ + if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask) && + vma->vm_flags | VM_EXEC) { + unsigned long addr = (unsigned long)kaddr; + /* only flushing the kernel mapping on non-aliasing VIPT */ + __cpuc_coherent_kern_range(addr, addr + len); + } +} #else #define flush_pfn_alias(pfn,vaddr) do { } while (0) #endif diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 1e89d408047..44a7a652d62 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -480,7 +480,7 @@ __arm926_proc_info: b __arm926_setup .long cpu_arch_name .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_VFP|HWCAP_EDSP|HWCAP_JAVA .long cpu_arm926_name .long arm926_processor_functions .long v4wbi_tlb_fns |