From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 06425254846; Mon, 24 Feb 2025 14:54:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740408873; cv=none; b=GUqI9X4RIWLFvF25K7K1dWYmCX5Yyd8vJLnWc6BvUGWE+BUJ3jVqL1P4p18u54B7+5wXK6xAEiJgfT+G1KVccD/x6Am3N+poAw8jbgyCfSx3H2CFz4HLn352gGU65ZAZjkHBlnLO4heypzTX59QNbSj9zuTvCGkq5SXzE+EFxds= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740408873; c=relaxed/simple; bh=hG0YSGFoQ9zoDGMvh+8zWtjGVgXyBitDIjjot95GPHY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dlyOYNGU/Mwye60bBTyacuWtTiy/6q70AJJLOmYh0E16T3RhWCLNmEz+81VwxKEpjeOwMWpxChuRcLvy7faFTUzIqMv6at9tc63UVWJ+UfmF7z0YWdKkgTRWP+EzOppT6YPLHJmPSnKmRZPpe8bWkAQsuf91saqw9SziAq4kApc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KqAm6n8K; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="KqAm6n8K" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DA60C4CED6; Mon, 24 Feb 2025 14:54:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1740408872; bh=hG0YSGFoQ9zoDGMvh+8zWtjGVgXyBitDIjjot95GPHY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KqAm6n8K7PrQrvVUKn56/kB5bNXbqqydkbVRcl5r9ETmYHrgzHngzJ4GQq26WEj+1 9WB3GcYgP/zvC1N9/mZk3QNrPR9gTFKXi8QJ0lPW9BTaCdif7YGXfE3qS20vd7ke49 yTbItfFZDZDri2NrR3I5k4RjVaw2YzeuF8yhXy+A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Christophe Leroy , "Ritesh Harjani (IBM)" , Madhavan Srinivasan , Sasha Levin Subject: [PATCH 6.13 023/138] powerpc/64s: Rewrite __real_pte() and __rpte_to_hidx() as static inline Date: Mon, 24 Feb 2025 15:34:13 +0100 Message-ID: <20250224142605.381111853@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250224142604.442289573@linuxfoundation.org> References: <20250224142604.442289573@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christophe Leroy [ Upstream commit 61bcc752d1b81fde3cae454ff20c1d3c359df500 ] Rewrite __real_pte() and __rpte_to_hidx() as static inline in order to avoid following warnings/errors when building with 4k page size: CC arch/powerpc/mm/book3s64/hash_tlb.o arch/powerpc/mm/book3s64/hash_tlb.c: In function 'hpte_need_flush': arch/powerpc/mm/book3s64/hash_tlb.c:49:16: error: variable 'offset' set but not used [-Werror=unused-but-set-variable] 49 | int i, offset; | ^~~~~~ CC arch/powerpc/mm/book3s64/hash_native.o arch/powerpc/mm/book3s64/hash_native.c: In function 'native_flush_hash_range': arch/powerpc/mm/book3s64/hash_native.c:782:29: error: variable 'index' set but not used [-Werror=unused-but-set-variable] 782 | unsigned long hash, index, hidx, shift, slot; | ^~~~~ Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202501081741.AYFwybsq-lkp@intel.com/ Fixes: ff31e105464d ("powerpc/mm/hash64: Store the slot information at the right offset for hugetlb") Signed-off-by: Christophe Leroy Reviewed-by: Ritesh Harjani (IBM) Signed-off-by: Madhavan Srinivasan Link: https://patch.msgid.link/e0d340a5b7bd478ecbf245d826e6ab2778b74e06.1736706263.git.christophe.leroy@csgroup.eu Signed-off-by: Sasha Levin --- arch/powerpc/include/asm/book3s/64/hash-4k.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h index c3efacab4b941..aa90a048f319a 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-4k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -77,9 +77,17 @@ /* * With 4K page size the real_pte machinery is all nops. */ -#define __real_pte(e, p, o) ((real_pte_t){(e)}) +static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep, int offset) +{ + return (real_pte_t){pte}; +} + #define __rpte_to_pte(r) ((r).pte) -#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> H_PAGE_F_GIX_SHIFT) + +static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index) +{ + return pte_val(__rpte_to_pte(rpte)) >> H_PAGE_F_GIX_SHIFT; +} #define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \ do { \ -- 2.39.5