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[Qemu-commits] [qemu/qemu] 8b8125: accel/tcg/cputlb: avoid recursive BQL
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[Qemu-commits] [qemu/qemu] 8b8125: accel/tcg/cputlb: avoid recursive BQL (fixes #1706... |
Date: |
Tue, 26 Sep 2017 11:47:03 -0700 |
Branch: refs/heads/master
Home: https://github.com/qemu/qemu
Commit: 8b81253332b5a3f3c67b6462f39caef47a00dd29
https://github.com/qemu/qemu/commit/8b81253332b5a3f3c67b6462f39caef47a00dd29
Author: Alex Bennée <address@hidden>
Date: 2017-09-25 (Mon, 25 Sep 2017)
Changed paths:
M accel/tcg/cputlb.c
Log Message:
-----------
accel/tcg/cputlb: avoid recursive BQL (fixes #1706296)
The mmio path (see exec.c:prepare_mmio_access) already protects itself
against recursive locking and it makes sense to do the same for
io_readx/writex. Otherwise any helper running in the BQL context will
assert when it attempts to write to device memory as in the case of
the bug report.
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Alex Bennée <address@hidden>
CC: Richard Jones <address@hidden>
CC: Paolo Bonzini <address@hidden>
CC: address@hidden
Message-Id: <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 2509dda283d438970028864dd89871bfe0263c3a
https://github.com/qemu/qemu/commit/2509dda283d438970028864dd89871bfe0263c3a
Author: Peter Maydell <address@hidden>
Date: 2017-09-26 (Tue, 26 Sep 2017)
Changed paths:
M accel/tcg/cputlb.c
Log Message:
-----------
Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20170925' into staging
BQL bug fix
# gpg: Signature made Mon 25 Sep 2017 23:14:48 BST
# gpg: using RSA key 0x64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <address@hidden>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth/tags/pull-tcg-20170925:
accel/tcg/cputlb: avoid recursive BQL (fixes #1706296)
Signed-off-by: Peter Maydell <address@hidden>
Compare: https://github.com/qemu/qemu/compare/2b521a654cbe...2509dda283d4
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