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authorSergey Fedorov <serge.fdrv@gmail.com>2016-07-15 20:58:43 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2016-09-13 19:08:42 +0200
commit89a16b1e4294e3664667a151c2f70c84dfac6fd9 (patch)
treedce042d3f42af47a13182a19786fcc4202b10705 /include/exec
parent4b7e69509df2fcbfdab8c62c294dbfcfdab8a6e1 (diff)
downloadfocaccia-qemu-89a16b1e4294e3664667a151c2f70c84dfac6fd9.tar.gz
focaccia-qemu-89a16b1e4294e3664667a151c2f70c84dfac6fd9.zip
tcg: Prepare safe tb_jmp_cache lookup out of tb_lock
Ensure atomicity of CPU's 'tb_jmp_cache' access for future translation
block lookup out of 'tb_lock'.

Note that this patch does *not* make CPU's TLB invalidation safe if it
is done from some other thread while the CPU is in its execution loop.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20160715175852.30749-4-sergey.fedorov@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/exec')
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