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* [PATCH 0/3] page table check default to warn instead of panic
@ 2022-09-11  9:59 Pasha Tatashin
  2022-09-11  9:59 ` [PATCH 1/3] mm/page_table_check: Check writable zero page in page table check Pasha Tatashin
                   ` (3 more replies)
  0 siblings, 4 replies; 12+ messages in thread
From: Pasha Tatashin @ 2022-09-11  9:59 UTC (permalink / raw)
  To: pasha.tatashin, akpm, corbet, linux-mm, linux-doc, linux-kernel,
	rick.p.edgecombe

From: Pasha Tatashin <tatashin@google.com>

Page table check when detects errors panics the kernel. Let instead,
print a warning, and panic only when specifically requested via kernel
parameter:

	page_table_check=panic

The discussion about using panic vs. warn is here:
https://lore.kernel.org/linux-mm/20220902232732.12358-1-rick.p.edgecombe@intel.com

Pasha Tatashin (2):
  mm/page_table_check: Do WARN_ON instead of BUG_ON by default
  doc/vm: add information about page_table_check=panic

Rick Edgecombe (1):
  mm/page_table_check: Check writable zero page in page table check

 Documentation/mm/page_table_check.rst | 16 ++++----
 mm/page_table_check.c                 | 53 ++++++++++++++++++++-------
 2 files changed, 49 insertions(+), 20 deletions(-)

-- 
2.37.2.789.g6183377224-goog



^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2022-09-26  8:28 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-09-11  9:59 [PATCH 0/3] page table check default to warn instead of panic Pasha Tatashin
2022-09-11  9:59 ` [PATCH 1/3] mm/page_table_check: Check writable zero page in page table check Pasha Tatashin
2022-09-12 15:58   ` Edgecombe, Rick P
2022-09-26  8:26   ` David Hildenbrand
2022-09-11  9:59 ` [PATCH 2/3] mm/page_table_check: Do WARN_ON instead of BUG_ON by default Pasha Tatashin
2022-09-11 16:08   ` Matthew Wilcox
2022-09-11 20:42     ` Pasha Tatashin
2022-09-26  8:28     ` David Hildenbrand
2022-09-26  1:16   ` [mm/page_table_check] 6e807506f4: WARNING:at_mm/page_table_check.c:#page_table_check_set kernel test robot
2022-09-11  9:59 ` [PATCH 3/3] doc/vm: add information about page_table_check=panic Pasha Tatashin
2022-09-12 20:23 ` [PATCH 0/3] page table check default to warn instead of panic Andrew Morton
2022-09-20 18:11   ` Pasha Tatashin

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