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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81044C3ABB6 for ; Mon, 5 May 2025 22:42:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 14A886B0095; Mon, 5 May 2025 18:42:23 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F8B26B0098; Mon, 5 May 2025 18:42:23 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EB41A6B0099; Mon, 5 May 2025 18:42:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id D21426B0095 for ; Mon, 5 May 2025 18:42:22 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 22A115D396 for ; Mon, 5 May 2025 22:42:23 +0000 (UTC) X-FDA: 83410329366.05.22179C6 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf09.hostedemail.com (Postfix) with ESMTP id 49941140007 for ; Mon, 5 May 2025 22:42:21 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=rRMymOBL; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf09.hostedemail.com: domain of sashal@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sashal@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1746484941; a=rsa-sha256; cv=none; b=dmhsBSUGm/WChX3G4LhVj20ZoEF0DxMhMQ23uh3USm1XsIN37bReNeKkO0hoJdtjP8g1ou G5UXIKR4+2Qi2ocRcwt2Pe5ZrE1pUHQHWGuLRgC6JMJLZPxAlXlLJBe4VH4j3jHhr2W62N GohXCjSuwaBUewu8MV/gVOhsZ211KpU= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=rRMymOBL; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf09.hostedemail.com: domain of sashal@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sashal@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1746484941; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=u463OeFFj39DXHqAMHI4NSAzE2sSSpkU4a/y14gqL24=; b=Kzp+MkI6p/V4KcFSQemaS7VmG3yEErISNnRFGHKaRWdc2gfEURblMn3O0r1mGsEs3r6CPl 1XKH+SI0hkDuZ30OUIxvDwhix+eX+BLgbW+1HUNYTW5JfFBGL06eu5WPdyHR2BXSjBN4jr i9MRk4Srx7Oq6IWeLRwF3D7HJ8orTvM= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 7F1C34A69B; Mon, 5 May 2025 22:42:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B17F8C4CEEE; Mon, 5 May 2025 22:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746484940; bh=Mo3VTkzF1AIgn1cJigM5Oe1FxcUfv4q/iX7gWwFkfz0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rRMymOBL/fiopGjdMxdkK8omSSO6Iw9gHOjpl+qwPkoIsVYtdGZNN4QvMZGP/xQ+O yCm8HSPxOh8p99GcAunN3SClR8ic42d6EAjCXWBTcm9p9o8JesrGw+BmJgYZ4Oz66F e4oe8oKn6Y6LcsdryIdmPzff5mBzakVmYIkKjIhwM5oBtW5djGLzYDG8T1UolN0sf5 Bx/+MruHhJwzY3U2Fm4hLAEa3IRAUxmaN+t9RNW7LuYSlC4jytzxjgci6KnfqyH2SF KaM4yFgQ6cw0qGH3UzTughi9iNdlWFEMvjhiSq8lnLWLZo7MtzpzEkIPwnqixnfGdR 0siV6qvSjV5qQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Heiko Carstens , Alexander Gordeev , Vasily Gorbik , Sasha Levin , will@kernel.org, aneesh.kumar@kernel.org, npiggin@gmail.com, peterz@infradead.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org Subject: [PATCH AUTOSEL 6.12 086/486] s390/tlb: Use mm_has_pgste() instead of mm_alloc_pgste() Date: Mon, 5 May 2025 18:32:42 -0400 Message-Id: <20250505223922.2682012-86-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505223922.2682012-1-sashal@kernel.org> References: <20250505223922.2682012-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.12.26 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 49941140007 X-Stat-Signature: ugcxbyqrjg9ripe66s4cd5i5ro1abskw X-Rspam-User: X-HE-Tag: 1746484941-352907 X-HE-Meta: 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 FZsVmK6E R1oQvFN9y1U1XS2DljqdKwNxKOWBFV4xxn3i3T2qz/knRMzzzTK0riC8f913xxLegNHOzTSTlseKJO8wYu9GJxlF0fGCwNfJR6rF5S26wKyZrMdTgQF51rkqll+UBGa47H6SF4KNRe9naaJDvExaLaV/hhZT/Tpg0XDbNQ/YDhZH7Es6SANSsMYLttKC4a9SrD7zQoYWU3p6YpMB4jQsHKeG/tqThLQK0LetOduXEsI1cRWa46cGn6amsaqWE0M4XWPHVxum5hNm5PJEg1M6qCIApbxOgCa2yLeXDLDiOZLpwV1U6IIYjtR5I3Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Heiko Carstens [ Upstream commit 9291ea091b29bb3e37c4b3416c7c1e49e472c7d5 ] An mm has pgstes only after s390_enable_sie() has been called, while mm_alloc_pgste() may be always true (e.g. via sysctl setting). Limit the calls to gmap_unlink() in pte_free_tlb() to those cases where there might be something to unlink. Reviewed-by: Alexander Gordeev Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik Signed-off-by: Sasha Levin --- arch/s390/include/asm/tlb.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index e95b2c8081eb8..793afe236df07 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -85,7 +85,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, tlb->mm->context.flush_mm = 1; tlb->freed_tables = 1; tlb->cleared_pmds = 1; - if (mm_alloc_pgste(tlb->mm)) + if (mm_has_pgste(tlb->mm)) gmap_unlink(tlb->mm, (unsigned long *)pte, address); tlb_remove_ptdesc(tlb, pte); } -- 2.39.5