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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull two x86 fixes from Ingo Molnar.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/microcode/amd: Tone down printk(), don't treat a missing firmware file as an error
  x86/dumpstack: Fix printk_address for direct addresses
This commit is contained in:
Linus Torvalds 2013-11-14 16:55:56 +09:00
commit d320e203ba
6 changed files with 13 additions and 8 deletions
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2
arch/x86/include/asm/kdebug.h
View File

@ -21,7 +21,7 @@ enum die_val {
DIE_NMIUNKNOWN,
};
extern void printk_address(unsigned long address, int reliable);
extern void printk_address(unsigned long address);
extern void die(const char *, struct pt_regs *,long);
extern int __must_check __die(const char *, struct pt_regs *, long);
extern void show_trace(struct task_struct *t, struct pt_regs *regs,

11
arch/x86/kernel/dumpstack.c
View File

@ -25,12 +25,17 @@ unsigned int code_bytes = 64;
int kstack_depth_to_print = 3 * STACKSLOTS_PER_LINE;
static int die_counter;
void printk_address(unsigned long address, int reliable)
static void printk_stack_address(unsigned long address, int reliable)
{
pr_cont(" [<%p>] %s%pB\n",
(void *)address, reliable ? "" : "? ", (void *)address);
}
void printk_address(unsigned long address)
{
pr_cont(" [<%p>] %pS\n", (void *)address, (void *)address);
}
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
static void
print_ftrace_graph_addr(unsigned long addr, void *data,
@ -151,7 +156,7 @@ static void print_trace_address(void *data, unsigned long addr, int reliable)
{
touch_nmi_watchdog();
printk(data);
printk_address(addr, reliable);
printk_stack_address(addr, reliable);
}
static const struct stacktrace_ops print_trace_ops = {
@ -281,7 +286,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
#else
/* Executive summary in case the oops scrolled away */
printk(KERN_ALERT "RIP ");
printk_address(regs->ip, 1);
printk_address(regs->ip);
printk(" RSP <%016lx>\n", regs->sp);
#endif
return 0;

2
arch/x86/kernel/microcode_amd.c
View File

@ -431,7 +431,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86);
if (request_firmware(&fw, (const char *)fw_name, device)) {
pr_err("failed to load file %s\n", fw_name);
pr_debug("failed to load file %s\n", fw_name);
goto out;
}

2
arch/x86/kernel/process_64.c
View File

@ -63,7 +63,7 @@ void __show_regs(struct pt_regs *regs, int all)
unsigned int ds, cs, es;
printk(KERN_DEFAULT "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip);
printk_address(regs->ip, 1);
printk_address(regs->ip);
printk(KERN_DEFAULT "RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss,
regs->sp, regs->flags);
printk(KERN_DEFAULT "RAX: %016lx RBX: %016lx RCX: %016lx\n",

2
arch/x86/mm/fault.c
View File

@ -599,7 +599,7 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
printk(KERN_CONT " at %p\n", (void *) address);
printk(KERN_ALERT "IP:");
printk_address(regs->ip, 1);
printk_address(regs->ip);
dump_pagetable(address);
}

2
arch/x86/platform/uv/uv_nmi.c
View File

@ -399,7 +399,7 @@ static void uv_nmi_dump_cpu_ip(int cpu, struct pt_regs *regs)
printk(KERN_DEFAULT "UV: %4d %6d %-32.32s ",
cpu, current->pid, current->comm);
printk_address(regs->ip, 1);
printk_address(regs->ip);
}
/* Dump this cpu's state */