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x86/init: Initialize signal frame size late

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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
This commit is contained in:
Thomas Gleixner 2023-06-14 01:39:42 +02:00
parent 439e17576e
commit 54d9a91a3d
3 changed files with 3 additions and 6 deletions
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2
arch/x86/include/asm/sigframe.h
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@ -85,6 +85,4 @@ struct rt_sigframe_x32 {
#endif /* CONFIG_X86_64 */
void __init init_sigframe_size(void);
#endif /* _ASM_X86_SIGFRAME_H */

3
arch/x86/kernel/cpu/common.c
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@ -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

4
arch/x86/kernel/signal.c
View File

@ -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)
{