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| author | Yang Shi <yang.shi@linaro.org> | 2016-02-11 13:53:10 -0800 |
|---|---|---|
| committer | Jeff Vander Stoep <jeffv@google.com> | 2016-09-22 13:38:22 -0700 |
| commit | a2f0639adbc63164137683f6d0c4deb88406290d (patch) | |
| tree | 27294f1ec09271f997318874b8a73cd61e69ac15 /arch/m32r/boot/compressed/m32r_sio.c | |
| parent | 4de18b705de63c094a0c23754337c750d072ade9 (diff) | |
UPSTREAM: arm64: make irq_stack_ptr more robust
Switching between stacks is only valid if we are tracing ourselves while on the
irq_stack, so it is only valid when in current and non-preemptible context,
otherwise is is just zeroed off.
Fixes: 132cd887b5c5 ("arm64: Modify stack trace and dump for use with irq_stack")
Acked-by: James Morse <james.morse@arm.com>
Tested-by: James Morse <james.morse@arm.com>
Signed-off-by: Yang Shi <yang.shi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Bug: 30369029
Patchset: kaslr-arm64-4.4
(cherry picked from commit a80a0eb70c358f8c7dda4bb62b2278dc6285217b)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: I431d3d5e8e1f556ddfef283af88dd2f63b825f7c
Diffstat (limited to 'arch/m32r/boot/compressed/m32r_sio.c')
0 files changed, 0 insertions, 0 deletions