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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-03-08 20:07:37 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-03-08 20:07:37 +0000 |
| commit | 74fd46ed44f60a230804dc1050bae76eb9420ecb (patch) | |
| tree | 413bc134d651099728aa85bf15f0f79f1655b406 /linux-user/syscall.c | |
| parent | 229a834518b950d56fd1bc94923276504d0ee9d4 (diff) | |
| parent | 6cc9d67c6f682cf04eea2d6e64a252b63a7eccdf (diff) | |
| download | focaccia-qemu-74fd46ed44f60a230804dc1050bae76eb9420ecb.tar.gz focaccia-qemu-74fd46ed44f60a230804dc1050bae76eb9420ecb.zip | |
Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210306' into staging
TCI build fix and cleanup Streamline tb_lookup Fixes for tcg/aarch64 # gpg: Signature made Sat 06 Mar 2021 21:34:46 GMT # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full] # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * remotes/rth-gitlab/tags/pull-tcg-20210306: (27 commits) accel/tcg: Precompute curr_cflags into cpu->tcg_cflags include/exec: lightly re-arrange TranslationBlock accel/tcg: drop the use of CF_HASH_MASK and rename params accel/tcg: move CF_CLUSTER calculation to curr_cflags accel/tcg: rename tb_lookup__cpu_state and hoist state extraction tcg/tci: Merge mov, not and neg operations tcg/tci: Merge bswap operations tcg/tci: Merge extension operations tcg/tci: Merge basic arithmetic operations tcg/tci: Reduce use of tci_read_r64 tcg/tci: Remove tci_read_r32s tcg/tci: Remove tci_read_r32 tcg/tci: Remove tci_read_r16s tcg/tci: Remove tci_read_r16 tcg/tci: Remove tci_read_r8s tcg/tci: Remove tci_read_r8 tcg/tci: Merge identical cases in generation (load/store opcodes) tcg/tci: Merge identical cases in generation (conditional opcodes) tcg/tci: Merge identical cases in generation (deposit opcode) tcg/tci: Merge identical cases in generation (exchange opcodes) ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 389ec09764..9522f603aa 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6481,6 +6481,16 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, /* Grab a mutex so that thread setup appears atomic. */ pthread_mutex_lock(&clone_lock); + /* + * If this is our first additional thread, we need to ensure we + * generate code for parallel execution and flush old translations. + * Do this now so that the copy gets CF_PARALLEL too. + */ + if (!(cpu->tcg_cflags & CF_PARALLEL)) { + cpu->tcg_cflags |= CF_PARALLEL; + tb_flush(cpu); + } + /* we create a new CPU instance. */ new_env = cpu_copy(env); /* Init regs that differ from the parent. */ @@ -6521,14 +6531,6 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); cpu->random_seed = qemu_guest_random_seed_thread_part1(); - /* If this is our first additional thread, we need to ensure we - * generate code for parallel execution and flush old translations. - */ - if (!parallel_cpus) { - parallel_cpus = true; - tb_flush(cpu); - } - ret = pthread_create(&info.thread, &attr, clone_func, &info); /* TODO: Free new CPU state if thread creation failed. */ |