x86/init: Initialize signal frame size late

No point in doing this during really early boot. Move it to an early
initcall so that it is set up before possible user mode helpers are started
during device initialization.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230613224545.727330699@linutronix.de

diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
index 5b1ed65..84eab27 100644 (file)
--- a/arch/x86/include/asm/sigframe.h
+++ b/arch/x86/include/asm/sigframe.h
@@ -85,6 +85,4 @@ struct rt_sigframe_x32 {
 
 #endif /* CONFIG_X86_64 */
 
-void __init init_sigframe_size(void);
-
 #endif /* _ASM_X86_SIGFRAME_H */

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 5ee8b31..b8a4db1 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -64,7 +64,6 @@
 #include <asm/cpu_device_id.h>
 #include <asm/uv/uv.h>
 #include <asm/set_memory.h>
-#include <asm/sigframe.h>
 #include <asm/traps.h>
 #include <asm/sev.h>
 
@@ -1607,8 +1606,6 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
 
        fpu__init_system(c);
 
-       init_sigframe_size();
-
 #ifdef CONFIG_X86_32
        /*
         * Regardless of whether PCID is enumerated, the SDM says

diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 004cb30..cfeec3e 100644 (file)
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -182,7 +182,7 @@ get_sigframe(struct ksignal *ksig, struct pt_regs *regs, size_t frame_size,
 static unsigned long __ro_after_init max_frame_size;
 static unsigned int __ro_after_init fpu_default_state_size;
 
-void __init init_sigframe_size(void)
+static int __init init_sigframe_size(void)
 {
        fpu_default_state_size = fpu__get_fpstate_size();
 
@@ -194,7 +194,9 @@ void __init init_sigframe_size(void)
        max_frame_size = round_up(max_frame_size, FRAME_ALIGNMENT);
 
        pr_info("max sigframe size: %lu\n", max_frame_size);
+       return 0;
 }
+early_initcall(init_sigframe_size);
 
 unsigned long get_sigframe_size(void)
 {