From 62817d5ba25d2361488184f85d628b5b540e254b Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Wed, 6 Sep 2023 09:03:02 -0700 Subject: arm64: smp: Mark IPI globals as __ro_after_init Mark the three IPI-related globals in smp.c as "__ro_after_init" since they are only ever set in set_smp_ipi_range(), which is marked "__init". This is a better and more secure marking than the old "__read_mostly". Suggested-by: Stephen Boyd Acked-by: Mark Rutland Tested-by: Chen-Yu Tsai Signed-off-by: Douglas Anderson Reviewed-by: Stephen Boyd Link: https://lore.kernel.org/r/20230906090246.v13.7.I625d393afd71e1766ef73d3bfaac0b347a4afd19@changeid Signed-off-by: Catalin Marinas --- arch/arm64/kernel/smp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arm64/kernel/smp.c') diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 1a53e57c81d0..814d9aa93b21 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -84,9 +84,9 @@ enum ipi_msg_type { MAX_IPI }; -static int ipi_irq_base __read_mostly; -static int nr_ipi __read_mostly = NR_IPI; -static struct irq_desc *ipi_desc[MAX_IPI] __read_mostly; +static int ipi_irq_base __ro_after_init; +static int nr_ipi __ro_after_init = NR_IPI; +static struct irq_desc *ipi_desc[MAX_IPI] __ro_after_init; static void ipi_setup(int cpu); -- cgit v1.2.3-59-g8ed1b