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This commit is the result of
find . -name '*.c' | xargs sed -i 's/ __cpuinit / /g'
find . -name '*.c' | xargs sed -i 's/ __cpuexit / /g'
find . -name '*.c' | xargs sed -i 's/ __cpuinitdata / /g'
find . -name '*.c' | xargs sed -i 's/ __cpuinit$//g'
find ./arch/ -name '*.h' | xargs sed -i 's/ __cpuinit//g'
find . -name '*.c' | xargs sed -i 's/^__cpuinit //g'
find . -name '*.c' | xargs sed -i 's/^__cpuinitdata //g'
find . -name '*.c' | xargs sed -i 's/\*__cpuinit /\*/g'
find . -name '*.c' | xargs sed -i 's/ __cpuinitconst / /g'
find . -name '*.h' | xargs sed -i 's/ __cpuinit / /g'
find . -name '*.h' | xargs sed -i 's/ __cpuinitdata / /g'
git add .
git reset include/linux/init.h
git checkout -- include/linux/init.h
based off : https://github.com/jollaman999/jolla-kernel_bullhead/commit/bc15db84a622eed7d61d3ece579b577154d0ec29
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commit 3a402a709500c5a3faca2111668c33d96555e35a upstream.
When TIF_SINGLESTEP is set for a task, the single-step state machine is
enabled and we must take care not to reset it to the active-not-pending
state if it is already in the active-pending state.
Unfortunately, that's exactly what user_enable_single_step does, by
unconditionally setting the SS bit in the SPSR for the current task.
This causes failures in the GDB testsuite, where GDB ends up missing
expected step traps if the instruction being stepped generates another
trap, e.g. PTRACE_EVENT_FORK from an SVC instruction.
This patch fixes the problem by preserving the current state of the
stepping state machine when TIF_SINGLESTEP is set on the current thread.
Cc: <stable@vger.kernel.org>
Reported-by: Yao Qi <yao.qi@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
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(cherry picked from commit e56d82a116176f7af9d642b560abbbd3a2b68013)
We have a couple of CPU hotplug notifiers for resetting the CPU debug
state to a sane value when a CPU comes online.
This patch ensures that we mask out CPU_TASKS_FROZEN so that we don't
miss any online events occuring due to suspend/resume.
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Pavel Labath <labath@google.com>
Bug: 27189927
Change-Id: I72549149b9bf1f0d05cb17a1db98f9a342c580c0
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