Commit 54d9a91a authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230613224545.727330699@linutronix.de
parent 439e1757

arch/x86/include/asm/sigframe.h

+0 −2
Original line number Diff line number Diff line
@@ -85,6 +85,4 @@ struct rt_sigframe_x32 { 


#endif /* CONFIG_X86_64 */



void __init init_sigframe_size(void);



#endif /* _ASM_X86_SIGFRAME_H */

arch/x86/kernel/cpu/common.c

+0 −3
Original line number Diff line number Diff line
@@ -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

arch/x86/kernel/signal.c

+3 −1
Original line number Diff line number Diff line
@@ -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)

{