diff options
| author | Linus Torvalds <[email protected]> | 2020-06-25 09:24:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-06-25 09:24:28 -0700 |
| commit | 908f7d12d3ba51dfe0449b9723199b423f97ca9a (patch) | |
| tree | b23aea7239c62a9ac27496c974fa24e0ca20906a /arch/s390/kernel/debug.c | |
| parent | a4d3712b510534ef2ab5b15429aa94283c233a31 (diff) | |
| parent | 827c4913923e0b441ba07ba4cc41e01181102303 (diff) | |
Merge tag 's390-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Fix kernel crash on system call single stepping.
- Make sure early program check handler is executed with DAT on to
avoid an endless program check loop.
- Add __GFP_NOWARN flag to debug feature to avoid user triggerable
allocation failure messages.
* tag 's390-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/debug: avoid kernel warning on too large number of pages
s390/kasan: fix early pgm check handler execution
s390: fix system call single stepping
Diffstat (limited to 'arch/s390/kernel/debug.c')
| -rw-r--r-- | arch/s390/kernel/debug.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 636446003a06..263075a1af36 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -198,9 +198,10 @@ static debug_entry_t ***debug_areas_alloc(int pages_per_area, int nr_areas) if (!areas) goto fail_malloc_areas; for (i = 0; i < nr_areas; i++) { + /* GFP_NOWARN to avoid user triggerable WARN, we handle fails */ areas[i] = kmalloc_array(pages_per_area, sizeof(debug_entry_t *), - GFP_KERNEL); + GFP_KERNEL | __GFP_NOWARN); if (!areas[i]) goto fail_malloc_areas2; for (j = 0; j < pages_per_area; j++) { |