x86/fpu: Mark init_fpstate __ro_after_init

Nothing has to write into that state after init. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20210623121456.992342060@linutronix.de
2021-06-23 14:02:24 +02:00 · 2021-06-23 14:02:24 +02:00 · bf68a7d989
parent 72a6c08c44
commit bf68a7d989
1 changed files with 1 additions and 1 deletions
--- 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