From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37943) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bu2vs-0003N9-E6 for qemu-devel@nongnu.org; Tue, 11 Oct 2016 15:41:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bu2vr-0001oD-9d for qemu-devel@nongnu.org; Tue, 11 Oct 2016 15:41:48 -0400 Received: from mail-pa0-x242.google.com ([2607:f8b0:400e:c03::242]:35857) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bu2vr-0001nn-3F for qemu-devel@nongnu.org; Tue, 11 Oct 2016 15:41:47 -0400 Received: by mail-pa0-x242.google.com with SMTP id rw4so2139291pab.3 for ; Tue, 11 Oct 2016 12:41:46 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Tue, 11 Oct 2016 14:40:42 -0500 Message-Id: <1476214861-31658-17-git-send-email-rth@twiddle.net> In-Reply-To: <1476214861-31658-1-git-send-email-rth@twiddle.net> References: <1476214861-31658-1-git-send-email-rth@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v6 16/35] tcg: Emit barriers with parallel_cpus List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson --- tcg/tcg-op.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index cdd61d6..bb2bfee 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -150,17 +150,7 @@ void tcg_gen_op6(TCGContext *ctx, TCGOpcode opc, TCGArg a1, TCGArg a2, void tcg_gen_mb(TCGBar mb_type) { - bool emit_barriers = true; - -#ifndef CONFIG_USER_ONLY - /* TODO: When MTTCG is available for system mode, we will check - * the following condition and enable emit_barriers - * (qemu_tcg_mttcg_enabled() && smp_cpus > 1) - */ - emit_barriers = false; -#endif - - if (emit_barriers) { + if (parallel_cpus) { tcg_gen_op1(&tcg_ctx, INDEX_op_mb, mb_type); } } -- 2.7.4