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arm64: process: show_regs show_extra_register_data with 512*2 bytes

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Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
Change-Id: If84fe2946e9fc8331d36e71a1661d2b75d06cadd
This commit is contained in:
Huibin Hong
2022-08-19 03:46:06 +00:00
committed by Tao Huang
parent 1fcbbf99d3
commit 20f05569fe
1 changed files with 8 additions and 4 deletions
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12
arch/arm64/kernel/process.c
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@@ -279,10 +279,10 @@ static void show_data(unsigned long addr, int nbytes, const char *name)
* don't attempt to dump non-kernel addresses or
* values that are probably just small negative numbers
*/
if (addr < PAGE_OFFSET || addr > -256UL)
if (addr < PAGE_OFFSET || addr > -4096UL)
return;
printk("\n%s: %#lx:\n", name, addr);
printk("\n%s: %#lx:\n", name, addr + nbytes / 2);
/*
* round address down to a 32 bit boundary
@@ -298,7 +298,11 @@ static void show_data(unsigned long addr, int nbytes, const char *name)
* just display low 16 bits of address to keep
* each line of the dump < 80 characters
*/
printk("%04lx ", (unsigned long)p & 0xffff);
if (i == (nlines / 2))
printk("%04lx*", (unsigned long)p & 0xffff);
else
printk("%04lx ", (unsigned long)p & 0xffff);
for (j = 0; j < 8; j++) {
u32 data;
@@ -383,7 +387,7 @@ void show_regs(struct pt_regs * regs)
dump_backtrace(regs, NULL, KERN_DEFAULT);
if (!user_mode(regs))
show_extra_register_data(regs, 256);
show_extra_register_data(regs, 512);
}
EXPORT_SYMBOL_GPL(show_regs);