Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
-2
arch/x86/include/asm/sigframe.h
-2
arch/x86/include/asm/sigframe.h
-3
arch/x86/kernel/cpu/common.c
-3
arch/x86/kernel/cpu/common.c
···
64
#include <asm/cpu_device_id.h>
65
#include <asm/uv/uv.h>
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#include <asm/set_memory.h>
67
-
#include <asm/sigframe.h>
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#include <asm/traps.h>
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#include <asm/sev.h>
70
···
1605
sld_setup(c);
1606
1607
fpu__init_system(c);
1608
-
1609
-
init_sigframe_size();
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1611
#ifdef CONFIG_X86_32
1612
/*
+3
-1
arch/x86/kernel/signal.c
+3
-1
arch/x86/kernel/signal.c
···
182
static unsigned long __ro_after_init max_frame_size;
183
static unsigned int __ro_after_init fpu_default_state_size;
184
185
-
void __init init_sigframe_size(void)
186
{
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fpu_default_state_size = fpu__get_fpstate_size();
188
···
194
max_frame_size = round_up(max_frame_size, FRAME_ALIGNMENT);
195
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pr_info("max sigframe size: %lu\n", max_frame_size);
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}
198
199
unsigned long get_sigframe_size(void)
200
{
···
182
static unsigned long __ro_after_init max_frame_size;
183
static unsigned int __ro_after_init fpu_default_state_size;
184
185
+
static int __init init_sigframe_size(void)
186
{
187
fpu_default_state_size = fpu__get_fpstate_size();
188
···
194
max_frame_size = round_up(max_frame_size, FRAME_ALIGNMENT);
195
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pr_info("max sigframe size: %lu\n", max_frame_size);
197
+
return 0;
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}
199
+
early_initcall(init_sigframe_size);
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unsigned long get_sigframe_size(void)
202
{