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author | Jason Wessel | 2010-05-21 15:46:00 +0200 |
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committer | Jason Wessel | 2010-10-22 22:34:13 +0200 |
commit | 495363d380b4f4745bd8677912688654afc44020 (patch) | |
tree | 647032c22f9e77f91578dcae864776849dbcbfa8 /arch/arm/mach-tcc8k/Kconfig | |
parent | debug_core: refactor locking for master/slave cpus (diff) | |
download | kernel-qcow2-linux-495363d380b4f4745bd8677912688654afc44020.tar.gz kernel-qcow2-linux-495363d380b4f4745bd8677912688654afc44020.tar.xz kernel-qcow2-linux-495363d380b4f4745bd8677912688654afc44020.zip |
kdb,debug_core: adjust master cpu switch logic against new debug_core locking
The kdb shell needs to enforce switching back to the original CPU that
took the exception before restoring normal kernel execution. Resuming
from a different CPU than what took the original exception will cause
problems with spin locks that are freed from the a different processor
than had taken the lock.
The special logic in dbg_cpu_switch() can go away entirely with
because the state of what cpus want to be masters or slaves will
remain unchanged between entry and exit of the debug_core exception
context.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'arch/arm/mach-tcc8k/Kconfig')
0 files changed, 0 insertions, 0 deletions