From c60f599bcb9bf9256eb87c1c60add55d23f76de3 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 17 Apr 2022 11:29:47 -0700 Subject: util/log: Rename qemu_log_lock to qemu_log_trylock MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This function can fail, which makes it more like ftrylockfile or pthread_mutex_trylock than flockfile or pthread_mutex_lock, so rename it. To closer match the other trylock functions, release rcu_read_lock along the failure path, so that qemu_log_unlock need not be called on failure. Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson Message-Id: <20220417183019.755276-8-richard.henderson@linaro.org> --- tcg/tcg.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'tcg') diff --git a/tcg/tcg.c b/tcg/tcg.c index f8542529d0..abe4ef7799 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -756,7 +756,7 @@ void tcg_prologue_init(TCGContext *s) #ifdef DEBUG_DISAS if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) { - FILE *logfile = qemu_log_lock(); + FILE *logfile = qemu_log_trylock(); qemu_log("PROLOGUE: [size=%zu]\n", prologue_size); if (s->data_gen_ptr) { size_t code_size = s->data_gen_ptr - s->code_gen_ptr; @@ -4200,7 +4200,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb) #ifdef DEBUG_DISAS if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP) && qemu_log_in_addr_range(tb->pc))) { - FILE *logfile = qemu_log_lock(); + FILE *logfile = qemu_log_trylock(); qemu_log("OP:\n"); tcg_dump_ops(s, false); qemu_log("\n"); @@ -4245,7 +4245,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb) #ifdef DEBUG_DISAS if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_IND) && qemu_log_in_addr_range(tb->pc))) { - FILE *logfile = qemu_log_lock(); + FILE *logfile = qemu_log_trylock(); qemu_log("OP before indirect lowering:\n"); tcg_dump_ops(s, false); qemu_log("\n"); @@ -4266,7 +4266,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb) #ifdef DEBUG_DISAS if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT) && qemu_log_in_addr_range(tb->pc))) { - FILE *logfile = qemu_log_lock(); + FILE *logfile = qemu_log_trylock(); qemu_log("OP after optimization and liveness analysis:\n"); tcg_dump_ops(s, true); qemu_log("\n"); -- cgit v1.2.3