From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A24C3C4361B for ; Tue, 15 Dec 2020 11:29:26 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CD41C22258 for ; Tue, 15 Dec 2020 11:29:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD41C22258 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CwGHl0XRBzDqH5 for ; Tue, 15 Dec 2020 22:29:23 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CwFPF2DVmzDqMf for ; Tue, 15 Dec 2020 21:49:05 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 4CwFPD5vB8z9sVt; Tue, 15 Dec 2020 21:49:04 +1100 (AEDT) From: Michael Ellerman To: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin In-Reply-To: <20190711022404.18132-1-npiggin@gmail.com> References: <20190711022404.18132-1-npiggin@gmail.com> Subject: Re: [PATCH 1/2] powerpc/64s: remplement power4_idle code in C Message-Id: <160802921170.504444.1308264557037135946.b4-ty@ellerman.id.au> Date: Tue, 15 Dec 2020 21:49:04 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, 11 Jul 2019 12:24:03 +1000, Nicholas Piggin wrote: > This implements the tricky tracing and soft irq handling bits in C, > leaving the low level bit to asm. > > A functional difference is that this redirects the interrupt exit to > a return stub to execute blr, rather than the lr address itself. This > is probably barely measurable on real hardware, but it keeps the link > stack balanced. > > [...] Patch 2 applied to powerpc/next. [2/2] powerpc/64s: Remove idle workaround code from restore_cpu_cpufeatures https://git.kernel.org/powerpc/c/02b02ee1b05ef225525835b2d45faf31b3420bdd cheers