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Merge tag 'xtensa-20230327' of https://github.com/jcmvbkbc/linux-xtensa

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Pull xtensa fixes from Max Filippov:

 - fix KASAN report in show_stack

 - drop linux-xtensa mailing list from the MAINTAINERS file

* tag 'xtensa-20230327' of https://github.com/jcmvbkbc/linux-xtensa:
  MAINTAINERS: xtensa: drop linux-xtensa@linux-xtensa.org mailing list
  xtensa: fix KASAN report for show_stack
This commit is contained in:
Linus Torvalds
2023-03-29 10:24:07 -07:00
parent 3577a4d37f e313de5b5b
commit ffe78bbd51
2 changed files with 12 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
MAINTAINERS
View File

@@ -20645,7 +20645,6 @@ F: sound/soc/codecs/tscs*.h
TENSILICA XTENSA PORT (xtensa)
M: Chris Zankel <chris@zankel.net>
M: Max Filippov <jcmvbkbc@gmail.com>
L: linux-xtensa@linux-xtensa.org
S: Maintained
T: git https://github.com/jcmvbkbc/linux-xtensa.git
F: arch/xtensa/
@@ -23038,7 +23037,6 @@ F: drivers/gpio/gpio-xra1403.c
XTENSA XTFPGA PLATFORM SUPPORT
M: Max Filippov <jcmvbkbc@gmail.com>
L: linux-xtensa@linux-xtensa.org
S: Maintained
F: drivers/spi/spi-xtensa-xtfpga.c
F: sound/soc/xtensa/xtfpga-i2s.c

16
arch/xtensa/kernel/traps.c
View File

@@ -539,7 +539,7 @@ static size_t kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH;
void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl)
{
size_t len;
size_t len, off = 0;
if (!sp)
sp = stack_pointer(task);
@@ -548,9 +548,17 @@ void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl)
kstack_depth_to_print * STACK_DUMP_ENTRY_SIZE);
printk("%sStack:\n", loglvl);
print_hex_dump(loglvl, " ", DUMP_PREFIX_NONE,
STACK_DUMP_LINE_SIZE, STACK_DUMP_ENTRY_SIZE,
sp, len, false);
while (off < len) {
u8 line[STACK_DUMP_LINE_SIZE];
size_t line_len = len - off > STACK_DUMP_LINE_SIZE ?
STACK_DUMP_LINE_SIZE : len - off;
__memcpy(line, (u8 *)sp + off, line_len);
print_hex_dump(loglvl, " ", DUMP_PREFIX_NONE,
STACK_DUMP_LINE_SIZE, STACK_DUMP_ENTRY_SIZE,
line, line_len, false);
off += STACK_DUMP_LINE_SIZE;
}
show_trace(task, sp, loglvl);
}