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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0BDEBD5C0C0 for ; Tue, 16 Dec 2025 05:18:01 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4dVlZ01fXpz2xqj; Tue, 16 Dec 2025 16:18:00 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=209.85.210.178 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1765862280; cv=none; b=RngiSsLHZQSG6y1JTZYa29vfVmz827FRXFsY20gZgfIH0eHlkxz6fJU5fytaFBs2q7k59NrCaHTurJVQXeL35J7bbQw5ty6tEgDRdGyGG4ppVfMCTWI6/HtKbhbKGnlnNUrnbeDVR4karukSe5gUA4fKMz2ikHQgSzfQ3HDjAo1N9EswFS2PcP0l6ngwQK8wk3jaWTIJr+ujTCQKmgvbo26QLe+Ww/wuCaLOhd+6IVcOg+2jLxmeNp3S+r6cIlunpETI4S/RAmST8umPH3OX72YamYmZvqnoIZGHuqiTnHwsJu0pFpm0NII8GvoHuHWJgX2ewsAqQ9AKyr/B+hJFpQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1765862280; c=relaxed/relaxed; bh=xjD+cNbyJGOMAKpBo5e8LJBh9aFpu4/6uuuLCwZXOF0=; h=From:To:Cc:Subject:In-Reply-To:Date:Message-ID:References: MIME-Version:Content-Type; b=CwrSmLWAFEZoaSFiiYeZShyptAOVBy7x8nDwznUCohz0iJQSvkozsBJn3sWhgz/1xea/haInj5fK0f26OrBXhunz+zXWDxfYzSvx22HoXTJg+Tl+6nMJMohJPTptyqncISoTI+mHwAdwniaqyO+EaP59aYdOL+X5liYObWTSdRxx7tNcEemNe9QaoigQRk1q4KLGZD/nXzwMdrvGp6WwkfN11Mx5OQ1kpwTjrpblOvw+dwZr1yhiaMPKdjf/FFazE+elt+0ic2mw0KeWWqBJUMXxduQJ0tzC2fSUP/w1+hBwsUdmUzc7kLkXCo4ooURkXLgjF4FMce8Rqx341Xkfww== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=JntFh8hm; dkim-atps=neutral; spf=pass (client-ip=209.85.210.178; helo=mail-pf1-f178.google.com; envelope-from=ritesh.list@gmail.com; receiver=lists.ozlabs.org) smtp.mailfrom=gmail.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=JntFh8hm; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=209.85.210.178; helo=mail-pf1-f178.google.com; envelope-from=ritesh.list@gmail.com; receiver=lists.ozlabs.org) Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4dVlYy1Xw0z2xJ6 for ; Tue, 16 Dec 2025 16:17:57 +1100 (AEDT) Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-7ade456b6abso3206194b3a.3 for ; Mon, 15 Dec 2025 21:17:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1765862214; x=1766467014; darn=lists.ozlabs.org; h=mime-version:references:message-id:date:in-reply-to:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=xjD+cNbyJGOMAKpBo5e8LJBh9aFpu4/6uuuLCwZXOF0=; b=JntFh8hm+98w9Ypn1+GwF2OQ/hFSgC9BtFYWEEz6rjMxDlC3XbKe/+Gu9IjUiLRwb5 XMXprsj65p9wXhRtd5mAMu0nR7KHfh8noOuUe5EKdnS0voXhKQY7+Axhy+s0Z0Sppmg2 IPtdcfyGnZE3P+fSCF2UZ7u+oMKyK3oicL8YYm8QykU8wr1lcfNbVFAPw7I8nABB5u8V enXpxdOZxrpngo03duh+Ub1wQ7CbEZ2PO5jEVX7VPCJh8WeLY0C2oQ0oBj+mNUrSLH1x PG35gITyLxDFUPSQtQnFqY6AQsn8Jqgbf0Lfmre5xBtxrFOnJTLMo1WsHL85rjXKTuqH f2+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765862214; x=1766467014; h=mime-version:references:message-id:date:in-reply-to:subject:cc:to :from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=xjD+cNbyJGOMAKpBo5e8LJBh9aFpu4/6uuuLCwZXOF0=; b=KjS78i2QdjlJvdR8EcNxhveFWlNJ7YFEcmwqCBBOXe8pbSZmmxPrnWbkZQDnVJDsRt 1DD/RidklVy5OWDytwUe0tZfBivFlQ5WxiQvB8j7jwokYVIt/Madn5KN4NGOYXWOhSwT byHTyvnj3upNvHbWPR3GscXUDw54RqRTFuGIzklLUJeO9EUCCSlsrT9NMfD5Z+vunkhz CcT9O2/qHpK5HYyBF6ZaR8MoeM8DIREHmw+vSLtn+Y6OGSdmErP2lTH/ekuNZV5gXpqE FQdUnLCLa1GyOdiI4uwhV1bpUqyX995mOsEVWiLSCqAoTJCmyLpYv7iZ+Mq5EYDtdSn3 mwbw== X-Forwarded-Encrypted: i=1; AJvYcCUWvtfCxqfU7ena4zpNCSaUZcXAddjvE1ld/henUu2tMTNyGJ7LzNzLhk32T1tPTiCSZ/uZmBviyIlTy5c=@lists.ozlabs.org X-Gm-Message-State: AOJu0YyJkrlkY2BFyVZyFeMSMf29YDU21OEmWmw7Uy7iCLnzOwnCtkYb HcJvK4w3owwDCk1iopP9JHlLD9gBBwMT5bc0Y1mvtA0ds58wyaDXGC2g X-Gm-Gg: AY/fxX7wWKKahz9GEW+7zBqU+sGuuUc7yG99erYNpM+LMoh9BR3Y9NeHf3g8eQmBu5y xN1vk9Doo+cq5ymnLypVJdvVUFUEo49r5AFuAMJdG5+e+A8vEThyjyGw0UDKKUCZcwSStgbGvUH RkXvl7/YN81o76jiDYv0C8YkQ62TCeLxe+lD8AYAPowYHoUKsSnFJjnDabuCk3PJogwGPTnTdk1 sOW6V24GRGi4rJDEMaF8mCsZIQK4PAimfyWpirxm5ZH27qHpamUHZ19yEdSxoWbBORqrOQMzdGz DHUoOaqTEakKuxyegQOEUR9BYMIOO45U+UV7qqije04uxdKbAJyInaZolmpArPUbnV99N5kwTeJ yWPbd9QO55vwMDF8Rv0UXD+hHWSrypJL4Crw/Msmw4vfV4q+/Z7Q1a+p0tWPnkxl3IET0bVAuej DJuNv0 X-Google-Smtp-Source: AGHT+IFRNBpu36xO7SS++RmJSf+Yd0YivNXXnhzhZN3Px6CmR0fp7AX2KZRojw083jfNpLsrb718Lg== X-Received: by 2002:a05:6a20:5491:b0:366:14b0:4b05 with SMTP id adf61e73a8af0-369afc00407mr13380900637.65.1765862214371; Mon, 15 Dec 2025 21:16:54 -0800 (PST) Received: from dw-tp ([203.81.242.64]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c0c25a87487sm14064659a12.7.2025.12.15.21.16.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Dec 2025 21:16:53 -0800 (PST) From: Ritesh Harjani (IBM) To: Kevin Brodsky , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Kevin Brodsky , Alexander Gordeev , Andreas Larsson , Andrew Morton , Anshuman Khandual , Boris Ostrovsky , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dave Hansen , David Hildenbrand , "David S. Miller" , David Woodhouse , "H. Peter Anvin" , Ingo Molnar , Jann Horn , Juergen Gross , "Liam R. Howlett" , Lorenzo Stoakes , Madhavan Srinivasan , Michael Ellerman , Michal Hocko , Mike Rapoport , Nicholas Piggin , Peter Zijlstra , Ryan Roberts , Suren Baghdasaryan , Thomas Gleixner , Venkat Rao Bagalkote , Vlastimil Babka , Will Deacon , Yeoreum Yun , linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org Subject: Re: [PATCH v6 03/14] powerpc/mm: implement arch_flush_lazy_mmu_mode() In-Reply-To: <20251215150323.2218608-4-kevin.brodsky@arm.com> Date: Tue, 16 Dec 2025 10:44:45 +0530 Message-ID: <87345b6m9m.ritesh.list@gmail.com> References: <20251215150323.2218608-1-kevin.brodsky@arm.com> <20251215150323.2218608-4-kevin.brodsky@arm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain Kevin Brodsky writes: > Upcoming changes to the lazy_mmu API will cause > arch_flush_lazy_mmu_mode() to be called when leaving a nested > lazy_mmu section. > > Move the relevant logic from arch_leave_lazy_mmu_mode() to > arch_flush_lazy_mmu_mode() and have the former call the latter. The > radix_enabled() check is required in both as > arch_flush_lazy_mmu_mode() will be called directly from the generic > layer in a subsequent patch. > > Note: the additional this_cpu_ptr() and radix_enabled() calls on the > arch_leave_lazy_mmu_mode() path will be removed in a subsequent > patch. > > Acked-by: David Hildenbrand > Tested-by: Venkat Rao Bagalkote > Signed-off-by: Kevin Brodsky > --- > .../powerpc/include/asm/book3s/64/tlbflush-hash.h | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) Sorry I was away for a while. Thanks for taking care of the radix path as we had discussed previously here [1]. [1]: https://lore.kernel.org/all/87jz044xn4.ritesh.list@gmail.com/ The change looks good to me. So, please feel free to add: Reviewed-by: Ritesh Harjani (IBM)