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| author | Peter Maydell <peter.maydell@linaro.org> | 2018-06-29 17:17:31 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-07-02 08:02:20 -0700 |
| commit | 4b1a3e1e34ad971b58783d4a24448ccbf5bd8fd4 (patch) | |
| tree | 390aa187f375330343f979aaeb485754e9eecf64 /accel/tcg | |
| parent | e4c967a7201400d7f76e5847d5b4c4ac9e2566e0 (diff) | |
| download | qemu-4b1a3e1e34ad971b58783d4a24448ccbf5bd8fd4.zip qemu-4b1a3e1e34ad971b58783d4a24448ccbf5bd8fd4.tar.gz qemu-4b1a3e1e34ad971b58783d4a24448ccbf5bd8fd4.tar.bz2 | |
accel/tcg: Don't treat invalid TLB entries as needing recheck
In get_page_addr_code() when we check whether the TLB entry
is marked as TLB_RECHECK, we should not go down that code
path if the TLB entry is not valid at all (ie the TLB_INVALID
bit is set).
Tested-by: Laurent Vivier <laurent@vivier.eu>
Reported-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180629161731.16239-1-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel/tcg')
| -rw-r--r-- | accel/tcg/cputlb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 3ae1198..cc90a5f 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -963,7 +963,8 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env, target_ulong addr) } } - if (unlikely(env->tlb_table[mmu_idx][index].addr_code & TLB_RECHECK)) { + if (unlikely((env->tlb_table[mmu_idx][index].addr_code & + (TLB_RECHECK | TLB_INVALID_MASK)) == TLB_RECHECK)) { /* * This is a TLB_RECHECK access, where the MMU protection * covers a smaller range than a target page, and we must |