From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 10 Jul 2026 23:51:57 +0200 Received: from mx1.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::107]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wiJ8X-002O18-2q for lore@lore.pengutronix.de; Fri, 10 Jul 2026 23:51:57 +0200 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by mx1.white.stw.pengutronix.de (Postfix) with ESMTPS id AEBB1202029 for ; Fri, 10 Jul 2026 23:51:57 +0200 (CEST) Authentication-Results: mx1.white.stw.pengutronix.de; dkim=pass header.d=lists.infradead.org header.s=bombadil.20210309 header.b=bXr0OP39; spf=pass (mx1.white.stw.pengutronix.de: domain of "barebox-bounces+lore=pengutronix.de@lists.infradead.org" designates 2607:7c80:54:3::133 as permitted sender) smtp.mailfrom="barebox-bounces+lore=pengutronix.de@lists.infradead.org"; dmarc=none DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2TxVL68zgrJOmYKJpYFuUxzzzv+5nr6HI0fCMKPk3Hs=; b=bXr0OP39O2frhX0WAhb6vJw5gL CUdHeAlGSEHcPV15xwwyfoWUHK5pOpEZFTBOMBb/7PlFLLL3p3ifXhUvrN8+w4xzRl7v/9VNl3GZR RTEe2ikzq3DUvzId45LXK44NO4FZFGkJyPLUBgCT6X+68w2E+iSxLP4Nzcd0OvRyuTWT0VMQqpJYf HSUctp3ez3X6pMIheEebK35JBFSHvZR0thhuJUuSPDjPfzAbzoZKOHtPThKHE2ySy6VEkUlL7yQqu rcEJAeKUhm75wLfbo40wDJmuXmd/s5fdUXROU+tBZU0IY7aPC6vy75UpljXmAkcbGP1Zomsd14fyP e7wLKc1Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wiJ7Z-00000005srr-1Qq8; Fri, 10 Jul 2026 21:50:57 +0000 Received: from mx1.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::107]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wiJ7W-00000005sqx-2cTm for barebox@lists.infradead.org; Fri, 10 Jul 2026 21:50:56 +0000 Received: from drehscheibe.grey.stw.pengutronix.de (drehscheibe.grey.stw.pengutronix.de [IPv6:2a0a:edc0:0:c01:1d::a2]) (Authenticated sender: relay-from-drehscheibe.grey.stw.pengutronix.de) by mx1.white.stw.pengutronix.de (Postfix) with ESMTPSA id F3E96202021; Fri, 10 Jul 2026 23:50:52 +0200 (CEST) Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wiJ7U-0018ro-2y; Fri, 10 Jul 2026 23:50:52 +0200 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1wiJ7U-0000000EtK4-3bPG; Fri, 10 Jul 2026 23:50:52 +0200 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum In-Reply-To: <20260709081106.550595-1-a.fatoum@barebox.org> References: <20260709081106.550595-1-a.fatoum@barebox.org> Subject: Re: [PATCH] efi: loader: coalesce overdue periodic timers Message-Id: <178372025285.3549223.8906304634405329566.b4-ty@pengutronix.de> Date: Fri, 10 Jul 2026 23:50:52 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260710_145054_822504_A158FCBD X-CRM114-Status: UNSURE ( 5.81 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: On Thu, 09 Jul 2026 10:11:05 +0200, Ahmad Fatoum wrote: > EFI timer events are polled by the loader instead of being driven from > an interrupt. If a periodic timer is serviced late, advancing the ne [...] Content analysis details: (-1.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 DMARC_MISSING Missing DMARC policy X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-Spamd-Result: default: False [-6.61 / 15.00]; BAYES_HAM(-3.00)[99.99%]; DWL_DNSWL_MED(-2.00)[infradead.org:dkim]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; RCVD_IN_DNSWL_MED(-0.40)[2a0a:edc0:0:1101:1d::28:received,2607:7c80:54:3::133:from]; R_SPF_ALLOW(-0.20)[+mx:c]; MAILLIST(-0.20)[mailman]; R_DKIM_ALLOW(-0.20)[lists.infradead.org:s=bombadil.20210309]; MIME_GOOD(-0.10)[text/plain]; HAS_LIST_UNSUB(-0.01)[]; DMARC_NA(0.00)[pengutronix.de]; RECEIVED_HELO_LOCALHOST(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_FIVE(0.00)[5]; TAGGED_FROM(0.00)[lore=pengutronix.de]; FROM_NEQ_ENVFROM(0.00)[s.hauer@pengutronix.de,barebox-bounces@lists.infradead.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; NEURAL_HAM(-0.00)[-1.000]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7247, ipnet:2607:7c80:54::/48, country:US]; DKIM_TRACE(0.00)[lists.infradead.org:+]; FORGED_RECIPIENTS_MAILLIST(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a0a:edc0:0:c01:1d::a2:received]; FORGED_SENDER_MAILLIST(0.00)[] X-Rspamd-Action: no action X-Rspamd-Server: mx1 X-Rspamd-Queue-Id: AEBB1202029 X-Stat-Signature: kxyttbdkcnxyw1buurzi4bkiqzp7ayyi On Thu, 09 Jul 2026 10:11:05 +0200, Ahmad Fatoum wrote: > EFI timer events are polled by the loader instead of being driven from > an interrupt. If a periodic timer is serviced late, advancing the next > deadline by only one period leaves old deadlines pending. > > Advance periodic timers past the current time when they fire. This keeps > each poll to one notification and avoids consumers draining stale timer > ticks in a tight loop. > > [...] Applied, thanks! [1/1] efi: loader: coalesce overdue periodic timers https://git.pengutronix.de/cgit/barebox/commit/?id=501bfbe6f1ec (link may not be stable) Best regards, -- Sascha Hauer