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x86/init: Initialize signal frame size late

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commit 54d9a91a3d upstream

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
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Gleixner 2023-08-01 16:07:11 +02:00 committed by Greg Kroah-Hartman
parent 03e244a37a
commit 1218874186
3 changed files with 3 additions and 6 deletions
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2
arch/x86/include/asm/sigframe.h
View file

@ -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
View file

@ -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)
{