[PATCH v4 2/3] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page
From: mark.rutland@arm.com (Mark Rutland)
Date: 2016-08-15 09:19:23
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On Mon, Aug 15, 2016 at 02:45:45PM +0800, Jisheng Zhang wrote:
The vm_special_mapping spec which is used for aarch32 vectors page is never modified, so mark it as const. Signed-off-by: Jisheng Zhang <redacted>
I see that this is never deliberately modified before being passed to _install_special_mapping, which takes it as a const pointer. So this looks good to me: Acked-by: Mark Rutland <mark.rutland@arm.com> Mark.
quoted hunk ↗ jump to hunk
--- arch/arm64/kernel/vdso.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index e320e8f..10ad8ab 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c@@ -88,7 +88,7 @@ int aarch32_setup_vectors_page(struct linux_binprm *bprm, int uses_interp) { struct mm_struct *mm = current->mm; unsigned long addr = AARCH32_VECTORS_BASE; - static struct vm_special_mapping spec = { + static const struct vm_special_mapping spec = { .name = "[vectors]", .pages = vectors_page,-- 2.8.1