mttcg: Handle exception and flags in atomic execution

[Qemu-devel] [PATCH v2 0/2] mttcg: Handle exception and flags in atomic execution

Pranith Kumar posted 2 patches 7 years, 2 months ago

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cpu-exec.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)

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[Qemu-devel] [PATCH v2 0/2] mttcg: Handle exception and flags in atomic execution

Posted by Pranith Kumar 7 years, 2 months ago

The previous version, though ideal, needs more work to enable calling
start_exclusive() from cpu_exec() and also does not properly handle
exception from atomic context. Exceptions in atomic context will not
call exclusive_end() and would go to the outer most loop causing a deadlock.

The following patches allow proper handling of flags set and
exceptions from the atomic exectuion context.

Alex, please fold/squash them as you feel necessary.

Pranith Kumar (2):
  tcg: Save cpu flags in atomic execution
  tcg: Set jmp_env to handle exceptions from atomic execution

 cpu-exec.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

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2.11.0