arm64: use shared sysctl constants (2c614c11) · Commits · 戴 / test

Use shared sysctl variables for zero and one constants, as in commit ("proc/sysctl: add shared variables for range check") Fixes: ("arm64: Introduce prctl() options to control the tagged user addresses ABI") Signed-off-by:

Matteo Croce <mcroce@redhat.com> Signed-off-by:

Will Deacon <will@kernel.org>

arch/arm64/kernel/process.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -608,8 +608,6 @@ long get_tagged_addr_ctrl(void)
		* only prevents the tagged address ABI enabling via prctl() and does not
		* disable it for tasks that already opted in to the relaxed ABI.
		*/
		static int zero;
		static int one = 1;

		static struct ctl_table tagged_addr_sysctl_table[] = {
		{
		@@ -618,8 +616,8 @@ static struct ctl_table tagged_addr_sysctl_table[] = {
		.data = &tagged_addr_disabled,
		.maxlen = sizeof(int),
		.proc_handler = proc_dointvec_minmax,
		.extra1 = &zero,
		.extra2 = &one,
		.extra1 = SYSCTL_ZERO,
		.extra2 = SYSCTL_ONE,
		},
		{ }
		};

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