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| author | Patrick Daly <pdaly@codeaurora.org> | 2015-09-09 20:00:57 -0700 |
|---|---|---|
| committer | Rohit Vaswani <rvaswani@codeaurora.org> | 2016-03-01 12:22:09 -0800 |
| commit | 47ae5b18729dcd554e28bd414d005c2c515e293b (patch) | |
| tree | 11abc2d4c0c47e3cb5c011ce46a5961dbe80a3a1 /arch/arm64/kernel | |
| parent | 0cf03042cff1084ff642944e5fd0e79c119d2eac (diff) | |
arm64: alternative: Support memory protection
Modify the kernel code section with fixmap to handle the case where
the kernel text section is readonly.
Change-Id: I3f81fcbfe917ef42783e55b107289ad97e1c02c3
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/alternative.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c index ab9db0e9818c..47a8caf28bcc 100644 --- a/arch/arm64/kernel/alternative.c +++ b/arch/arm64/kernel/alternative.c @@ -108,7 +108,7 @@ static void __apply_alternatives(void *alt_region) for (i = 0; i < nr_inst; i++) { insn = get_alt_insn(alt, origptr + i, replptr + i); - *(origptr + i) = cpu_to_le32(insn); + BUG_ON(aarch64_insn_patch_text_nosync(origptr + i, insn)); } flush_icache_range((uintptr_t)origptr, |