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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 665FCD1A623 for ; Fri, 9 Jan 2026 13:28:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B0AE86B0089; Fri, 9 Jan 2026 08:28:56 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AB86D6B008A; Fri, 9 Jan 2026 08:28:56 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9BB3D6B008C; Fri, 9 Jan 2026 08:28:56 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 8C5246B0089 for ; Fri, 9 Jan 2026 08:28:56 -0500 (EST) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 31D2BC2993 for ; Fri, 9 Jan 2026 13:28:56 +0000 (UTC) X-FDA: 84312505872.22.2E4A14D Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf08.hostedemail.com (Postfix) with ESMTP id 73D00160002 for ; Fri, 9 Jan 2026 13:28:54 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=llL55zqj; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf08.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1767965334; a=rsa-sha256; cv=none; b=dSSqpOJozX+a1S9lOKfnaj3ObCXTJbWEfGf9v91MWUgCcQ6zH/cqBmoYmUD92SwYpq0+wF xWFkmIxscfPX11wWKhwiZTd/IoF4ERXhzhWdKHW2o7TkpBda/GhFa6Ci+dz13ham1zkXhl UYJIgfNno/1FmB1dwJP6MZfUtgViWhk= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=llL55zqj; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf08.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1767965334; 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-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=MKmbcn10H1mEhEs2eiNwJ5Ru6s5QxvJ0PmBOOC5wp9Q=; b=5S8JOVXy2lcLmIKigLg8EC01Knrm1ooNKpbwo281Y7hhPicx+O1Ks2PpdIyBQHGIWWQwvG gEfEZanYDunUVM0HwarHk/L8H1yyKOPwHUKvv2tiOh4FRm1Sp2sQVzUSGqM1YotAEAyvSo Uki8e+xD2cIGQXnakl3PLvO8iKNVQmE= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 5EFDD60130; Fri, 9 Jan 2026 13:28:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD68AC4CEF1; Fri, 9 Jan 2026 13:28:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767965333; bh=KbGNKDR58KSn4+oTOJL1NdoFtGGmzkqP2D4O9W11qko=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=llL55zqjqi+MT92LPRj4SFMimqMF6ITiHAVUU1cLWrTf0TVZfjetX53J3dPEPjAXj qV6WzGKL/23BEdDanD9wA02+lSX8dh15NzcDjdSFtCINTReIC8Q58OYORr6GSgRWD+ UH8oRGbB6lpl/lLZBF350wdYHN0k5GXOPIb/JWfwiyi0PXkG8YZopbVSo6UqrZqzWq PYGawZf6RL8p96oA1+TcxhOs9sqGB4HQlalFlKqLh2b3PATLisuPYZJIWni/C+1tI/ 0RgeEYAP8hGhpHJMUaLcmGXkvrGSdxxKXykY5kxxsb9Om5YN5pi183VK+ZRZpnYel/ bzwLe8wPPcrxw== Message-ID: Date: Fri, 9 Jan 2026 14:28:43 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] loongarch: wire up memfd_secret system call To: Lain Fearyncess Yang , Huacai Chen , WANG Xuerui Cc: Kexy Biscuit , Mingcong Bai , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Arnd Bergmann , Jiaxun Yang , loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-riscv@lists.infradead.org References: <20260109051054.188030-1-fearyncess@aosc.io> From: "David Hildenbrand (Red Hat)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAa2VybmVsLm9yZz7CwY0EEwEIADcWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCaKYhwAIbAwUJJlgIpAILCQQVCgkIAhYCAh4FAheAAAoJEE3eEPcA/4Naa5EP/3a1 9sgS9m7oiR0uenlj+C6kkIKlpWKRfGH/WvtFaHr/y06TKnWn6cMOZzJQ+8S39GOteyCCGADh 6ceBx1KPf6/AvMktnGETDTqZ0N9roR4/aEPSMt8kHu/GKR3gtPwzfosX2NgqXNmA7ErU4puf zica1DAmTvx44LOYjvBV24JQG99bZ5Bm2gTDjGXV15/X159CpS6Tc2e3KvYfnfRvezD+alhF XIym8OvvGMeo97BCHpX88pHVIfBg2g2JogR6f0PAJtHGYz6M/9YMxyUShJfo0Df1SOMAbU1Q Op0Ij4PlFCC64rovjH38ly0xfRZH37DZs6kP0jOj4QdExdaXcTILKJFIB3wWXWsqLbtJVgjR YhOrPokd6mDA3gAque7481KkpKM4JraOEELg8pF6eRb3KcAwPRekvf/nYVIbOVyT9lXD5mJn IZUY0LwZsFN0YhGhQJ8xronZy0A59faGBMuVnVb3oy2S0fO1y/r53IeUDTF1wCYF+fM5zo14 5L8mE1GsDJ7FNLj5eSDu/qdZIKqzfY0/l0SAUAAt5yYYejKuii4kfTyLDF/j4LyYZD1QzxLC MjQl36IEcmDTMznLf0/JvCHlxTYZsF0OjWWj1ATRMk41/Q+PX07XQlRCRcE13a8neEz3F6we 08oWh2DnC4AXKbP+kuD9ZP6+5+x1H1zEzsFNBFXLn5EBEADn1959INH2cwYJv0tsxf5MUCgh Cj/CA/lc/LMthqQ773gauB9mN+F1rE9cyyXb6jyOGn+GUjMbnq1o121Vm0+neKHUCBtHyseB fDXHA6m4B3mUTWo13nid0e4AM71r0DS8+KYh6zvweLX/LL5kQS9GQeT+QNroXcC1NzWbitts 6TZ+IrPOwT1hfB4WNC+X2n4AzDqp3+ILiVST2DT4VBc11Gz6jijpC/KI5Al8ZDhRwG47LUiu Qmt3yqrmN63V9wzaPhC+xbwIsNZlLUvuRnmBPkTJwwrFRZvwu5GPHNndBjVpAfaSTOfppyKB Tccu2AXJXWAE1Xjh6GOC8mlFjZwLxWFqdPHR1n2aPVgoiTLk34LR/bXO+e0GpzFXT7enwyvF FFyAS0Nk1q/7EChPcbRbhJqEBpRNZemxmg55zC3GLvgLKd5A09MOM2BrMea+l0FUR+PuTenh 2YmnmLRTro6eZ/qYwWkCu8FFIw4pT0OUDMyLgi+GI1aMpVogTZJ70FgV0pUAlpmrzk/bLbRk F3TwgucpyPtcpmQtTkWSgDS50QG9DR/1As3LLLcNkwJBZzBG6PWbvcOyrwMQUF1nl4SSPV0L LH63+BrrHasfJzxKXzqgrW28CTAE2x8qi7e/6M/+XXhrsMYG+uaViM7n2je3qKe7ofum3s4v q7oFCPsOgwARAQABwsF8BBgBCAAmAhsMFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAmic2qsF CSZYCKEACgkQTd4Q9wD/g1oq0xAAsAnw/OmsERdtdwRfAMpC74/++2wh9RvVQ0x8xXvoGJwZ rk0Jmck1ABIM//5sWDo7eDHk1uEcc95pbP9XGU6ZgeiQeh06+0vRYILwDk8Q/y06TrTb1n4n 7FRwyskKU1UWnNW86lvWUJuGPABXjrkfL41RJttSJHF3M1C0u2BnM5VnDuPFQKzhRRktBMK4 GkWBvXlsHFhn8Ev0xvPE/G99RAg9ufNAxyq2lSzbUIwrY918KHlziBKwNyLoPn9kgHD3hRBa Yakz87WKUZd17ZnPMZiXriCWZxwPx7zs6cSAqcfcVucmdPiIlyG1K/HIk2LX63T6oO2Libzz 7/0i4+oIpvpK2X6zZ2cu0k2uNcEYm2xAb+xGmqwnPnHX/ac8lJEyzH3lh+pt2slI4VcPNnz+ vzYeBAS1S+VJc1pcJr3l7PRSQ4bv5sObZvezRdqEFB4tUIfSbDdEBCCvvEMBgoisDB8ceYxO cFAM8nBWrEmNU2vvIGJzjJ/NVYYIY0TgOc5bS9wh6jKHL2+chrfDW5neLJjY2x3snF8q7U9G EIbBfNHDlOV8SyhEjtX0DyKxQKioTYPOHcW9gdV5fhSz5tEv+ipqt4kIgWqBgzK8ePtDTqRM qZq457g1/SXSoSQi4jN+gsneqvlTJdzaEu1bJP0iv6ViVf15+qHuY5iojCz8fa0= In-Reply-To: <20260109051054.188030-1-fearyncess@aosc.io> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 73D00160002 X-Rspamd-Server: rspam06 X-Stat-Signature: 6stiyajq8norck1njw881b5fgn6ijhzo X-Rspam-User: X-HE-Tag: 1767965334-611309 X-HE-Meta: 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 KwvWDVZk D0d/LDr10BBWQIqenEi/1moJlq+D1KY8q0EoU1CPEogtRgiISKYy40wqGp2IGqyiDo5FEgg3VftRBOEj2m5t4HE6fhWU25Z2DERVo+yMjZCciky6eh/O8jgxeL9IEL7DAXa5Ti8NcB24w3S7ZLB2Ropz8BQZQYaPIx1451PcoozJTTsdSH1yL5GO/19qQJ6Iwk9QSH4ZqMzeRMumSsrr6crM7/YzPP177lC8kypeGXvLXyGwS6/zoVz8y+dt9Zc7A/4m0lxQtLSgXgAFUI764KL75rRc06+gWFkjMpS6G9qo72kuIYUlKFB3Yj9Nq8iO8v3pdsNtv6s4YEk8= 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: On 1/9/26 06:10, Lain Fearyncess Yang wrote: > From: "Lain \"Fearyncess\" Yang" > > LoongArch supports ARCH_HAS_SET_DIRECT_MAP, therefore wire up the > memfd_secret system call, which depends on it. > > Signed-off-by: Lain "Fearyncess" Yang > --- > arch/loongarch/include/asm/unistd.h | 1 + > arch/loongarch/kernel/Makefile.syscalls | 6 +++--- > tools/testing/selftests/mm/Makefile | 2 +- > 3 files changed, 5 insertions(+), 4 deletions(-) > > diff --git a/arch/loongarch/include/asm/unistd.h b/arch/loongarch/include/asm/unistd.h > index e2c0f3d86c7bd..e7649c1582482 100644 > --- a/arch/loongarch/include/asm/unistd.h > +++ b/arch/loongarch/include/asm/unistd.h > @@ -10,5 +10,6 @@ > > #define __ARCH_WANT_NEW_STAT > #define __ARCH_WANT_SYS_CLONE > +#define __ARCH_WANT_MEMFD_SECRET > > #define NR_syscalls (__NR_syscalls) > diff --git a/arch/loongarch/kernel/Makefile.syscalls b/arch/loongarch/kernel/Makefile.syscalls > index cd46c2b69c7fd..6360381baf931 100644 > --- a/arch/loongarch/kernel/Makefile.syscalls > +++ b/arch/loongarch/kernel/Makefile.syscalls > @@ -1,5 +1,5 @@ > # SPDX-License-Identifier: GPL-2.0 > > -# No special ABIs on loongarch so far > -syscall_abis_32 += > -syscall_abis_64 += > +# Add memfd_secret explictly for la64 and la32 > +syscall_abis_32 += memfd_secret > +syscall_abis_64 += memfd_secret > diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile > index eaf9312097f7b..79582438efc4d 100644 > --- a/tools/testing/selftests/mm/Makefile > +++ b/tools/testing/selftests/mm/Makefile > @@ -72,7 +72,7 @@ TEST_GEN_FILES += madv_populate > TEST_GEN_FILES += map_fixed_noreplace > TEST_GEN_FILES += map_hugetlb > TEST_GEN_FILES += map_populate > -ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64)) > +ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64 loongarch32 loongarch64)) For the core-mm bits Acked-by: David Hildenbrand (Red Hat) -- Cheers David