From bf68a7d98922e1665019b8bf0c4791500837c857 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 23 Jun 2021 14:02:24 +0200 Subject: [PATCH] x86/fpu: Mark init_fpstate __ro_after_init Nothing has to write into that state after init. Signed-off-by: Thomas Gleixner Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/20210623121456.992342060@linutronix.de --- arch/x86/kernel/fpu/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 5295cbafc92e..7ada7bd03a32 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -23,7 +23,7 @@ * Represents the initial FPU state. It's mostly (but not completely) zeroes, * depending on the FPU hardware format: */ -union fpregs_state init_fpstate __read_mostly; +union fpregs_state init_fpstate __ro_after_init; /* * Track whether the kernel is using the FPU state