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| author | Peter Zijlstra <peterz@infradead.org> | 2021-09-15 16:19:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-26 11:58:37 +0100 |
| commit | 17514127ee9f13fcdfe5a680172e2536550f7333 (patch) | |
| tree | 92a17eceb0827b2556ed303f47febfc78015a548 /tools/perf/scripts/python/syscall-counts.py | |
| parent | a1a5224a1284678f4e8fe0465ec5718e8009c19e (diff) | |
x86: Increase exception stack sizes
[ Upstream commit 7fae4c24a2b84a66c7be399727aca11e7a888462 ]
It turns out that a single page of stack is trivial to overflow with
all the tracing gunk enabled. Raise the exception stacks to 2 pages,
which is still half the interrupt stacks, which are at 4 pages.
Reported-by: Michael Wang <yun.wang@linux.alibaba.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YUIO9Ye98S5Eb68w@hirez.programming.kicks-ass.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions