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3 Commits

Author SHA1 Message Date
Richard Henderson d6d1fd2973 accel/tcg: Rename tb_invalidate_phys_page_range and drop end parameter 
This function is is never called with a real range,
only for a single page.  Drop the second parameter
and rename to tb_invalidate_phys_page.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2022-10-26 11:11:28 +10:00
Ilya Leoshkevich f025692c99 accel/tcg: Clear PAGE_WRITE before translation 
translate_insn() implementations fetch instruction bytes piecemeal,
which can cause qemu-user to generate inconsistent translations if
another thread modifies them concurrently [1].

Fix by making pages containing translated instruction non-writable
right before loading instruction bytes from them.

[1] https://lists.nongnu.org/archive/html/qemu-devel/2021-08/msg00644.html

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20210805204835.158918-1-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2021-09-14 12:00:20 -07:00
Paolo Bonzini 3b9bd3f46b remove TCG includes from common code 
Enable removing tcg/$tcg_arch from the include path when TCG is disabled.
Move translate-all.h to include/exec, since stubs exist for the functions
defined therein.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2021-01-02 21:03:36 +01:00