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 76E47C3ABB6 for ; Mon, 5 May 2025 22:19:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D8DEC6B0099; Mon, 5 May 2025 18:19:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D3C8C6B009A; Mon, 5 May 2025 18:19:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C2DAE6B009B; Mon, 5 May 2025 18:19:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id A4E076B0099 for ; Mon, 5 May 2025 18:19:12 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 4912C140B93 for ; Mon, 5 May 2025 22:19:12 +0000 (UTC) X-FDA: 83410270944.06.BD7F349 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf09.hostedemail.com (Postfix) with ESMTP id 5B83D140006 for ; Mon, 5 May 2025 22:19:10 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=eMEEUFKL; spf=pass (imf09.hostedemail.com: domain of sashal@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sashal@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1746483550; 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=J0P2/Ddlz6h212ixE5msuGe7S2pSNxOf6jmdcHvVgtU=; b=xWw2usxwkXCR+JaZYIztLYKeLkb51mCujyLIJpj564f0w37aQZPl/BwOW1RzoZlUytL7Qv /Vn864qidZcv+w5kixCZyXty77IWaNhGo6X0zTNWXgOZ2IuYrtETwU/qeuNQWO3YC5Q/Xk U0+KGlg+nryyKA7WaaGHb0cHrQzdV6M= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=eMEEUFKL; spf=pass (imf09.hostedemail.com: domain of sashal@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sashal@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1746483550; a=rsa-sha256; cv=none; b=im0AkmARIzswz1FJYScJQ2Kg1oZuhY8p5exjjmKOBsBjK41MJH5nVS6U1LjwL95rqJGQCZ AtXlhvChscLLaT/pEWk206jaUIYxVl0AqdiF9XKHbjY096R/Qj06Xn8D/19m5plfWUzbqr u94mtz/BTzVinHXTwyKd+2rq3T5NKYM= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id F23645C5A52; Mon, 5 May 2025 22:16:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 53B05C4CEE4; Mon, 5 May 2025 22:19:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746483548; bh=BsdnqqdGhS7yq5HlRe/s5Mi+ZUThGe8SVXmwGWSnpQQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eMEEUFKLeW+nz8rH3eZklmu2EYAhS1pwU65OHTngAxL7Q3lppeorYB9O6tgETwtAR OHWb7RzNHNj31CK4OvFYWQOxhejMtvxXsgHgSI0LhNGyDrL+zM4XQW71WcV7ukkIOG 23xY3VgyuFWtxyFFBr9bYN6mKlQuR9gSFGoCZdQIxA+gR5jWf1FpRhWX+UXjnI+wdT qb9a8cTKJWgTb5Fa4ogd7uj0ycixDJq6wfc7RScZI5h0XpG69LHI3PxnjwahX+jYF1 gakarS3ONvPym40az2Ttx8ch1P9h2oGFIudv1p22FvSX76fLEWe4pOcTPRFZk1Jgzg XEb3jCThFS17w== 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 6.14 109/642] s390/tlb: Use mm_has_pgste() instead of mm_alloc_pgste() Date: Mon, 5 May 2025 18:05:25 -0400 Message-Id: <20250505221419.2672473-109-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505221419.2672473-1-sashal@kernel.org> References: <20250505221419.2672473-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.14.5 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 5B83D140006 X-Stat-Signature: zk7mube5dnjz1jjfts71gw5ou6ws4u8c X-HE-Tag: 1746483550-499585 X-HE-Meta: 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 XoWOWkxS ROCz8J3wEyRkw0xZGraK7IsrZ7JckaznHLRPPU4JeQHMopuUg82HiKl14an3yXQw5kL5cpCCelGUPyPuNajmRBVGCx0pqGCXpQwDdPpq9qSXJROUVGvd9iGDzw1GEfMDhuLKMZ6yBnCZqA+BoPgm7CvFlTcrgcAG5clKrj9J8YHkYce61euABW4NhCb4jxl8f0qZF8vG7EZ/cPvuphlkUYgkZ/u20XRnGTi3ixJekxL1ghmPK2XKZvBc1/kDgUfqDkUG8kWsY16fqjXMwl1t2S1gZP1Hl4XDhASSw2j/xgBxXmHMZVppUr3iunA== 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 72655fd2d867c..f20601995bb0e 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -84,7 +84,7 @@ 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, virt_to_ptdesc(pte)); } -- 2.39.5