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| author | Johannes Berg <johannes.berg@intel.com> | 2017-06-08 14:14:40 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2017-06-08 14:14:45 +0200 |
| commit | a43e61842ec55baa486d60eed2a19af67ba78b9f (patch) | |
| tree | 6c3c93f19e3933273b73b9edd16edc146ab18527 /arch/x86/kernel/kprobes/core.c | |
| parent | 5d473fedd17ae3a9f92fb35551e307d01459ea6a (diff) | |
| parent | 50dffe7fad6c156c2928e45c19ff7b86eb951f4c (diff) | |
| download | linux-a43e61842ec55baa486d60eed2a19af67ba78b9f.tar.bz2 | |
Merge remote-tracking branch 'net-next/master' into mac80211-next
This brings in commit 7a7c0a6438b8 ("mac80211: fix TX aggregation
start/stop callback race") to allow the follow-up cleanup.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/x86/kernel/kprobes/core.c')
| -rw-r--r-- | arch/x86/kernel/kprobes/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 5b2bbfbb3712..6b877807598b 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -52,6 +52,7 @@ #include <linux/ftrace.h> #include <linux/frame.h> #include <linux/kasan.h> +#include <linux/moduleloader.h> #include <asm/text-patching.h> #include <asm/cacheflush.h> @@ -417,6 +418,14 @@ static void prepare_boost(struct kprobe *p, struct insn *insn) } } +/* Recover page to RW mode before releasing it */ +void free_insn_page(void *page) +{ + set_memory_nx((unsigned long)page & PAGE_MASK, 1); + set_memory_rw((unsigned long)page & PAGE_MASK, 1); + module_memfree(page); +} + static int arch_copy_kprobe(struct kprobe *p) { struct insn insn; |