From nobody Wed Feb 11 04:02:42 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 177072599488162.370691243400415; Tue, 10 Feb 2026 04:19:54 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vpmgH-0002wl-0j; Tue, 10 Feb 2026 07:17:27 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vpmf7-0001sD-5z; Tue, 10 Feb 2026 07:16:16 -0500 Received: from isrv.corpit.ru ([212.248.84.144]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vpmf2-0000P4-UU; Tue, 10 Feb 2026 07:16:10 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 2FEBF187DAF; Tue, 10 Feb 2026 15:13:53 +0300 (MSK) Received: from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146]) by tsrv.corpit.ru (Postfix) with ESMTP id B1743360CD1; Tue, 10 Feb 2026 15:14:48 +0300 (MSK) From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Paolo Bonzini , Andreas Schwab , Richard Henderson , Michael Tokarev Subject: [Stable-10.2.1 77/78] Revert "tcg/user: do not set exit_request gratuitously" Date: Tue, 10 Feb 2026 15:14:30 +0300 Message-ID: <20260210121438.67781-21-mjt@tls.msk.ru> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=212.248.84.144; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1770725996451158500 Content-Type: text/plain; charset="utf-8" From: Paolo Bonzini This reverts commit b422a7bff64eaf55b8250225533ca1df42c3777e. The reporter says "The commit breaks go; if you run go build in a loop, it eventually hangs uninterruptible (except -9) with a couple of zombie children left over". Reported-by: Andreas Schwab Signed-off-by: Paolo Bonzini Reviewed-by: Richard Henderson Signed-off-by: Richard Henderson Message-ID: <20260202091753.28459-1-pbonzini@redhat.com> (cherry picked from commit 251a3d4ca3c961d95cd624252a178a33066455a2) Signed-off-by: Michael Tokarev diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 7c20d9db12..ad94f96b25 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -751,7 +751,6 @@ static inline bool cpu_handle_exception(CPUState *cpu, = int *ret) =20 void tcg_kick_vcpu_thread(CPUState *cpu) { -#ifndef CONFIG_USER_ONLY /* * Ensure cpu_exec will see the reason why the exit request was set. * FIXME: this is not always needed. Other accelerators instead @@ -759,7 +758,6 @@ void tcg_kick_vcpu_thread(CPUState *cpu) * CPU thread; see kvm_arch_pre_run() for example. */ qatomic_store_release(&cpu->exit_request, true); -#endif =20 /* Ensure cpu_exec will see the exit request after TCG has exited. */ qatomic_store_release(&cpu->neg.icount_decr.u16.high, -1); --=20 2.47.3