From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f44.google.com (mail-ed1-f44.google.com [209.85.208.44]) (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 8C6322BCF7 for ; Mon, 5 Aug 2024 15:03:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722870222; cv=none; b=Gi4ZTOcEILzQ6H0LEXf0Oxzmhaxirjk64ehL0IOGiwAA7ZvSrIx+/dPGS6vPnUcg0D3raMo27L08bPqaLyLQyZQxmRH2QHVRR+vqImLDrNuQArBgYFtxe5mEfwky67Kdf4CHytjZ1qwyRSgQnUeiCaSM+vnSNze1yaYpnnYKOIY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722870222; c=relaxed/simple; bh=2XlFJ0N51fkSf6J3U6qs4Y2Bj7vejk+SFgDCG+1rkZY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ztk8GDkUVRQ+koXXACAXE1ViQssJU8Fqs2Uw57C8J8Hgx9ani4h/WMS9ymrZ3tDMgmwwlP8KuW+Fv3BSQYUPG1W2F6bO2fqQN7XlXbyGizQWANPN9JPhDVexLOpu78MYCbs7CrR8zl5gsGAnK85QaSzjRn13IvAXIwPFtuxE3Ds= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=UpUcVBrW; arc=none smtp.client-ip=209.85.208.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="UpUcVBrW" Received: by mail-ed1-f44.google.com with SMTP id 4fb4d7f45d1cf-5b8c2a611adso3436296a12.1 for ; Mon, 05 Aug 2024 08:03:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1722870219; x=1723475019; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=MclKyU+JrJj926hqEc/QjYWeITa7gCY+forgWrv5+GM=; b=UpUcVBrW4kRKPyZwu2oJRb3GrWxktuLabjbRL2MZE5pxo/DbhoNexhHFIBd13GDdxZ EaEy3QM3kOx3vOdZmvKkxJegrGqnN9FnuG0NULFwXHXSMhUWPvrJinT9jqvTQTN/gNN1 j3vzUgRHzhZhoB2L8QOYl/moY3XVGzfBhdyF53ffmSnLO6ElepOkjTwFzK9dfnj63Vm4 rPHAHct6ySsp2yJGXdF2WuwalD/ff1WCukZLAZ32FfOKJ0biyHkUiLEUE01WhEVuml5d 89KKUDFUW8omuPAg8vqe7bSTKskszaiytug1RPsNUyp/619HcKWgsmQCw2KStXvQCNqI A6fw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722870219; x=1723475019; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=MclKyU+JrJj926hqEc/QjYWeITa7gCY+forgWrv5+GM=; b=kk+5Xi3nnJ3/v2+x1ZbNK1SaLK6kVjlerhEyAIhAnFoUuuVMFEh3sIsFcejzaj/yqD mckvcTl35nzvc3we07o30Q7bA42ZNQVPXzbObjW+kkGp11iW1u4i1DmODhTkFiiKPKrz H8eYW4PdvdPdWgt4G1QcN0mlEOPg6T8VMxWvEurQQ3qeLKDIvCQ43WoMbk9/qitiV/dW XrLXYGq6xSbUqT++PmSlqR45Szo588wBHC2VbgIFrA7dIrELMyO5hpp9S+FhQ38qBFrY wxFeb5RDtW5OoYAxdbVHY8Hc9xH1Ml+wHmvkspDxFPgR2l+IsWFXZqiFSOLUJeoFSLjy B+fg== X-Forwarded-Encrypted: i=1; AJvYcCViNv92dhZugJDUg0zTsl+Q0mGhsjBPeZw2NGUxXcgh8rLA3WyTPLSvp9v9JUhw0y+sx/TwbkaZDtxVgj2JKZ39AzzBbd8UncahmXFD X-Gm-Message-State: AOJu0Ywj2vE7YBtjILr1ZgAksgC07MxZXLSs9chMrCxl/tTca3H3V2k0 fsZLD60tGHH+QO9wCLKblzUijHzla0YtwHkhwwk0qvHts/JRqEgOpQDuF3ja3HPSHCA8K5VEzDM t X-Google-Smtp-Source: AGHT+IHpm8xGZFcG0tb4CIaUF9wbG7Qk7Y4gnvkyQb1AoPG4F3aXIdLFWkcbgtDoNDhviR8VRKZbgA== X-Received: by 2002:a05:6402:60f:b0:5a3:a9f8:cf20 with SMTP id 4fb4d7f45d1cf-5b7f58eb70dmr8447544a12.34.1722870218795; Mon, 05 Aug 2024 08:03:38 -0700 (PDT) Received: from pathway.suse.cz ([176.114.240.50]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5bb8e6a780fsm1367373a12.71.2024.08.05.08.03.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Aug 2024 08:03:38 -0700 (PDT) Date: Mon, 5 Aug 2024 17:03:36 +0200 From: Petr Mladek To: John Ogness Cc: Sergey Senozhatsky , Steven Rostedt , Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: [PATCH printk v7 23/35] printk: Add is_printk_legacy_deferred() Message-ID: References: <20240804005138.3722656-1-john.ogness@linutronix.de> <20240804005138.3722656-24-john.ogness@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240804005138.3722656-24-john.ogness@linutronix.de> On Sun 2024-08-04 02:57:26, John Ogness wrote: > If printk has been explicitly deferred or is called from NMI > context, legacy console printing must be deferred to an irq_work > context. Introduce a helper function is_printk_legacy_deferred() > for a CPU to query if it must defer legacy console printing. > > In follow-up commits this helper will be needed at other call > sites as well. > > Signed-off-by: John Ogness Reviewed-by: Petr Mladek Best Regards, Petr