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| author | Eric W. Biederman <ebiederm@xmission.com> | 2023-02-02 16:27:05 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-06 07:49:45 +0100 |
| commit | 7d5de91a9ae564c7b5869310192ab6cb72ea4c6b (patch) | |
| tree | 8791cd8981dfe4ba6bef5b09b11d44b2a3ea6335 /arch/microblaze | |
| parent | dd8cccab31e6255cb49a73e5c2e019cac7fb2eac (diff) | |
| download | linux-stable-7d5de91a9ae564c7b5869310192ab6cb72ea4c6b.tar.gz linux-stable-7d5de91a9ae564c7b5869310192ab6cb72ea4c6b.tar.bz2 linux-stable-7d5de91a9ae564c7b5869310192ab6cb72ea4c6b.zip | |
exit: Add and use make_task_dead.
commit 0e25498f8cd43c1b5aa327f373dd094e9a006da7 upstream.
There are two big uses of do_exit. The first is it's design use to be
the guts of the exit(2) system call. The second use is to terminate
a task after something catastrophic has happened like a NULL pointer
in kernel code.
Add a function make_task_dead that is initialy exactly the same as
do_exit to cover the cases where do_exit is called to handle
catastrophic failure. In time this can probably be reduced to just a
light wrapper around do_task_dead. For now keep it exactly the same so
that there will be no behavioral differences introducing this new
concept.
Replace all of the uses of do_exit that use it for catastraphic
task cleanup with make_task_dead to make it clear what the code
is doing.
As part of this rename rewind_stack_do_exit
rewind_stack_and_make_dead.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/kernel/exceptions.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c index eafff21fcb0e..182402db6b04 100644 --- a/arch/microblaze/kernel/exceptions.c +++ b/arch/microblaze/kernel/exceptions.c @@ -44,10 +44,10 @@ void die(const char *str, struct pt_regs *fp, long err) pr_warn("Oops: %s, sig: %ld\n", str, err); show_regs(fp); spin_unlock_irq(&die_lock); - /* do_exit() should take care of panic'ing from an interrupt + /* make_task_dead() should take care of panic'ing from an interrupt * context so we don't handle it here */ - do_exit(err); + make_task_dead(err); } /* for user application debugging */ |