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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1765989500; 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; bh=N6Z/uKu8uJebQEVGTnY1Mg7FtwLddEoZVb/3GgOmPIs=; b=66putOv2xzhVav+ZKvNelvKWsrF4tOHU1cmoyo3Ybl6HGfExGBeypLU3EPFsyP63RbuFCY 0JQd3cTSCBKp4AkJxo2EhOv3Ygkpne0fs9+DssOz9/1f+y5XdjSKR8ufdjLrfF/er9rsH3 YYlqd+sdE1xK5ky4ezRLuztQjaDVGYw= Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 99F1EFEC; Wed, 17 Dec 2025 08:38:11 -0800 (PST) Received: from e123572-lin.arm.com (e123572-lin.cambridge.arm.com [10.1.194.54]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 806BA3F5CA; Wed, 17 Dec 2025 08:38:17 -0800 (PST) From: Kevin Brodsky To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Ryan Roberts , Ritesh Harjani , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, Kevin Brodsky Subject: [PATCH] powerpc/mm: export symbols for lazy_mmu_mode KUnit tests Date: Wed, 17 Dec 2025 16:38:11 +0000 Message-ID: <20251217163812.2633648-1-kevin.brodsky@arm.com> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251216201403.4647a4f9861d3122ee9e90d7@linux-foundation.org> References: <20251216201403.4647a4f9861d3122ee9e90d7@linux-foundation.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: D0EAB1C0014 X-Stat-Signature: rzwac9n7cg54en8cijqnqw4uw9wr3m6p X-Rspam-User: X-HE-Tag: 1765989499-807931 X-HE-Meta: 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 nb/L+LIm 5m7JWllmZA+PU7d0mzkdgUYkHWYLQKFyzJjNrqmfwYbpS9WAqbxfTqglPwyEg4+6aBMe53H0kE3dFSi9howNGW80sXcrTp81YlM9funLTtOB3Hg/DBmeZSrbK/JSnP41SR5i/blsusXqEF6xbqatirgnWh+FUfwD/Y7ux6duqZEmvTiEduDijPQdKoxwBJlTR6NeftwiCfL0JTq8v3ApS653JTmn16y5QzLW6DydjLlNr/3ExF861s4+c/YSy+38teknB4vGla9+jOQQMmuBb2GlZzcpqIJbJqSim 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: Upcoming KUnit tests will call lazy_mmu_mode_{enable,disable}. These tests may be built as a module, and because of inlining this means that symbols referenced by arch_{enter,leave}_lazy_mmu_mode need to be exported. Suggested-by: Ryan Roberts Suggested-by: Ritesh Harjani (IBM) Signed-off-by: Kevin Brodsky --- Andrew, please add this patch just before the last patch in the series ("mm: Add basic tests for lazy_mmu"). Thanks! --- arch/powerpc/mm/book3s64/hash_tlb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/mm/book3s64/hash_tlb.c b/arch/powerpc/mm/book3s64/hash_tlb.c index fbdeb8981ae7..9e622519a423 100644 --- a/arch/powerpc/mm/book3s64/hash_tlb.c +++ b/arch/powerpc/mm/book3s64/hash_tlb.c @@ -30,6 +30,7 @@ #include DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch); +EXPORT_SYMBOL_IF_KUNIT(ppc64_tlb_batch); /* For lazy_mmu_mode KUnit tests */ /* * A linux PTE was changed and the corresponding hash table entry @@ -154,6 +155,7 @@ void __flush_tlb_pending(struct ppc64_tlb_batch *batch) flush_hash_range(i, local); batch->index = 0; } +EXPORT_SYMBOL_IF_KUNIT(__flush_tlb_pending); /* For lazy_mmu_mode KUnit tests */ void hash__tlb_flush(struct mmu_gather *tlb) { base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 -- 2.51.2