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x86: Factor duplicated code out of __show_regs() into show_regs_common() 

Unify x86_32 and x86_64 implementations of __show_regs() header,
standardizing on the x86_64 format string in the process. Also,
32-bit will now call print_modules.

Signed-off-by: Andy Isaacson <adi@hexapodia.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Robert Hancock <hancockrwd@gmail.com>
Cc: Richard Zidlicky <rz@linux-m68k.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <20091208082942.GA27174@hexapodia.org>
[ v2: resolved conflict ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Andy Isaacson 2009-12-08 00:29:42 -08:00 committed by Ingo Molnar
parent f58e1f53de
commit 814e2c84a7
4 changed files with 21 additions and 26 deletions
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1
arch/x86/include/asm/system.h
View File

@ -23,6 +23,7 @@ struct task_struct *__switch_to(struct task_struct *prev,
struct tss_struct;
void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
struct tss_struct *tss);
extern void show_regs_common(void);
#ifdef CONFIG_X86_32

18
arch/x86/kernel/process.c
View File

@ -10,6 +10,8 @@
#include <linux/clockchips.h>
#include <linux/random.h>
#include <linux/user-return-notifier.h>
#include <linux/dmi.h>
#include <linux/utsname.h>
#include <trace/events/power.h>
#include <linux/hw_breakpoint.h>
#include <asm/system.h>
@ -90,6 +92,22 @@ void exit_thread(void)
}
}
void show_regs_common(void)
{
const char *board;
board = dmi_get_system_info(DMI_PRODUCT_NAME);
if (!board)
board = "";
printk("\n");
printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s\n",
current->pid, current->comm, print_tainted(),
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version, board);
}
void flush_thread(void)
{
struct task_struct *tsk = current;

14
arch/x86/kernel/process_32.c
View File

@ -23,7 +23,6 @@
#include <linux/vmalloc.h>
#include <linux/user.h>
#include <linux/interrupt.h>
#include <linux/utsname.h>
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/init.h>
@ -35,7 +34,6 @@
#include <linux/tick.h>
#include <linux/percpu.h>
#include <linux/prctl.h>
#include <linux/dmi.h>
#include <linux/ftrace.h>
#include <linux/uaccess.h>
#include <linux/io.h>
@ -128,7 +126,6 @@ void __show_regs(struct pt_regs *regs, int all)
unsigned long d0, d1, d2, d3, d6, d7;
unsigned long sp;
unsigned short ss, gs;
const char *board;
if (user_mode_vm(regs)) {
sp = regs->sp;
@ -140,16 +137,7 @@ void __show_regs(struct pt_regs *regs, int all)
savesegment(gs, gs);
}
printk("\n");
board = dmi_get_system_info(DMI_PRODUCT_NAME);
if (!board)
board = "";
printk("Pid: %d, comm: %s %s (%s %.*s) %s\n",
task_pid_nr(current), current->comm,
print_tainted(), init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version, board);
show_regs_common();
printk("EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
(u16)regs->cs, regs->ip, regs->flags,

14
arch/x86/kernel/process_64.c
View File

@ -26,7 +26,6 @@
#include <linux/slab.h>
#include <linux/user.h>
#include <linux/interrupt.h>
#include <linux/utsname.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/ptrace.h>
@ -38,7 +37,6 @@
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/ftrace.h>
#include <linux/dmi.h>
#include <asm/pgtable.h>
#include <asm/system.h>
@ -163,18 +161,8 @@ void __show_regs(struct pt_regs *regs, int all)
unsigned long d0, d1, d2, d3, d6, d7;
unsigned int fsindex, gsindex;
unsigned int ds, cs, es;
const char *board;
printk("\n");
print_modules();
board = dmi_get_system_info(DMI_PRODUCT_NAME);
if (!board)
board = "";
printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s\n",
current->pid, current->comm, print_tainted(),
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version, board);
show_regs_common();
printk(KERN_INFO "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip);
printk_address(regs->ip, 1);
printk(KERN_INFO "RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss,