From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3299A12838C for ; Wed, 14 Feb 2024 17:20:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707931208; cv=none; b=ogf5Ijnjr1LrUv1MDrIyf+ZMoxNSPy77Af1ac2S+h7461y2EHxPo2DTnEG3QpSPZ/kFQ8cxHjdoUihA600iRDBO0Q3hZbT2Vq/b0UkVZ7nlIqRLxewSqzkh/9SLqSy5HEBscBWAbvNfPQfKrTBysb/vb/xFJSZKkpQqO+BDEDDc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707931208; c=relaxed/simple; bh=CGTeedDrb3fyQ8bw9v9S81c0WOzEdAHLsmIJvQpyzxk=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=vC9Y66N33Zcpu6w9YU5nfiyvKyVIIj2aD6MTZra0xz259sft9xeb8lKCjiVH8IrPACYko/qCKTX4CNw8ZK6+K/jOPeTzx0K/1NAkemqC4BJoR9WisGxDYoMi9mab2FJQCrNBRDZpep3cdIrYq/RyjIONtUHKfJbaFl+uCcKuhnk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=r6JG2eiX; arc=none smtp.client-ip=209.85.219.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="r6JG2eiX" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-dc647f65573so10598329276.2 for ; Wed, 14 Feb 2024 09:20:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1707931206; x=1708536006; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=ZF5AWKakK2HlgjgZFF550I1BoQfMgek2mcRM5DDAG6E=; b=r6JG2eiXct8YmWSo0hfoxN6uaRFVEhimMkK0LYq4TpHMWzs3V+pUD8x2W70chF069b pIPWW2BDuQhg70iplYrbhU0e7tyj1i7IppnVagiSvlu6E+wY0ponb8rDjS8uHonhxFZF L6NDbaGOU7keBMdPVA3YfzYTYXq30utJsMKu9zw5JGqUQggzA6drtJHvNGmdUPwl5/8q Q0hEqhi56pGKW+VpyDy6haYcSS/gkUt8wdA9f1YTRZVzq53e5b0u1A/AHcRjrGwtoAxx RDAlBUQ/QKSxMd1l/H64H0cXhWgfVU6/9DSz3b4hsLcf0tSx/zPJQY2rjZXTqSEJye+e neRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707931206; x=1708536006; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ZF5AWKakK2HlgjgZFF550I1BoQfMgek2mcRM5DDAG6E=; b=ZctuiIdKQru1klPo3V331WUmC6LRgX1+r5tI+4GTO6BOZ7saFAg7//pKliNih+OPDZ SJyjym/xVIjT0ng5CQIgonbJ3+g4gR52mNzo2H/7S+8oZswyS63pn7A4UEEaAcR2RU3g ScJ8kEfD6jhIDxwkELyBnUnEgrEr3IXTAp7FpqyG3MMfkPfjBEow9bu889ntBIvCwgIA Lfj/XzISzlQERahWRrRtBw4VjyNVXVL8s8sGzWqjbZ1MnhyqnvIKTvLWUseeR8JdgIa0 w87tUwQuTaXdYsoQSxaK4KYe1FMJtb4KSBCs4Pt5RFA82SfUCGvSZDPhkyiHYHcZ+xZT ddQw== X-Forwarded-Encrypted: i=1; AJvYcCXWHQVoGa9pTaabEA87lIwTkg2Hr9Vs1MDf6xS3BzNvA7rnW3tYYaIoMPWRnlqP4uwLvJrQc7E7w6703mgLZ0IoTTBO X-Gm-Message-State: AOJu0YwPc2phon9cFyjVuV091ltAfpiW2oNDxUO3GNNbK2cugeFCQOQw c+0nuLSUxNI/9lGG2DwphPzb1Kz0w4f735Gr5QIcmbw36km+lqD8H8mLvwnHlrbNx2xUCdsE6ch Neg== X-Google-Smtp-Source: AGHT+IGgjPwvf/mN0OzfYNwubY737oAtMzdz5XSx634JXC4ZSz9+tF0ZnJ1RYyc/PujEtCEMvEC4Xjp7Kmw= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a25:ae5a:0:b0:dcd:3172:7265 with SMTP id g26-20020a25ae5a000000b00dcd31727265mr651230ybe.8.1707931206199; Wed, 14 Feb 2024 09:20:06 -0800 (PST) Date: Wed, 14 Feb 2024 09:20:04 -0800 In-Reply-To: Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: Message-ID: Subject: Re: [PATCH] Kconfig: Explicitly disable asm goto w/ outputs on gcc-11 (and earlier) From: Sean Christopherson To: Linus Torvalds Cc: Uros Bizjak , Nick Desaulniers , Jakub Jelinek , "Andrew Pinski (QUIC)" , "linux-kernel@vger.kernel.org" , Masahiro Yamada , Peter Zijlstra , "kvm@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" On Mon, Feb 12, 2024, Sean Christopherson wrote: > On Sun, Feb 11, 2024, Linus Torvalds wrote: > > On Sun, 11 Feb 2024 at 03:12, Uros Bizjak wrote: > > > > > > I'd suggest the original poster to file a bug report in the GCC > > > bugzilla. This way, the bug can be properly analysed and eventually > > > fixed. The detailed instructions are available at > > > https://gcc.gnu.org/bugs/ > > > > Yes, please. Sean? > > > > In order to *not* confuse it with the "asm goto with output doesn't > > imply volatile" bugs, could you make a bug report that talks purely > > about the code generation issue that happens even with a manually > > added volatile (your third code sequence in your original email)? > > Will do. Got a bug report ready, just waiting for a GCC Bugzilla account to be > created for me so I can file it... https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113921