x86: Increase exception stack sizes

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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

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Peter Zijlstra 2021-09-15 16:19:46 +02:00

parent 44b979fa30

commit 7fae4c24a2

1 changed files with 1 additions and 1 deletions

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arch/x86/include/asm/page_64_types.h

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