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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D19BC43459 for ; Mon, 20 Jul 2020 09:25:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6296222482 for ; Mon, 20 Jul 2020 09:25:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="R/sQXHHf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6296222482 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id F21736B0007; Mon, 20 Jul 2020 05:25:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EA8F66B0008; Mon, 20 Jul 2020 05:25:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D730D8D0001; Mon, 20 Jul 2020 05:25:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0193.hostedemail.com [216.40.44.193]) by kanga.kvack.org (Postfix) with ESMTP id C2F5D6B0007 for ; Mon, 20 Jul 2020 05:25:45 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 7F960184B954A for ; Mon, 20 Jul 2020 09:25:45 +0000 (UTC) X-FDA: 77057921850.03.smell00_1b1607c26f23 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id 52A5D3C90AE for ; Mon, 20 Jul 2020 09:25:45 +0000 (UTC) X-HE-Tag: smell00_1b1607c26f23 X-Filterd-Recvd-Size: 6384 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf40.hostedemail.com (Postfix) with ESMTP for ; Mon, 20 Jul 2020 09:25:44 +0000 (UTC) Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4B51821775; Mon, 20 Jul 2020 09:25:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595237144; bh=YMyAfjljQc8EzCHFIHsxaCYd3kRBN7HbarnPGa14M7k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R/sQXHHftzERFhSX4qe/uBjqX1PQydghDLSbhQH84dS6AvDOZYJNhqdbcctYhKHqy 6yHeLNt65hm5HlvIwNeOGGFk12IFwzl/x/ngBS/kMGJK7lUlQ9BMmqxPT158JLP1sj unUTxs6WPJwzX9HI1Y8+tYlm3Cv1r1fkKGph/VT0= From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexander Viro , Andrew Morton , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , Elena Reshetova , "H. Peter Anvin" , Idan Yaniv , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Matthew Wilcox , Mike Rapoport , Mike Rapoport , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Thomas Gleixner , Tycho Andersen , Will Deacon , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org Subject: [PATCH 4/6] arch, mm: wire up secretmemfd system call were relevant Date: Mon, 20 Jul 2020 12:24:33 +0300 Message-Id: <20200720092435.17469-5-rppt@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200720092435.17469-1-rppt@kernel.org> References: <20200720092435.17469-1-rppt@kernel.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 52A5D3C90AE X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 Content-Transfer-Encoding: quoted-printable 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: From: Mike Rapoport Wire up secretmemfd system call on architectures that define ARCH_HAS_SET_DIRECT_MAP, namely arm64, risc-v and x86. Signed-off-by: Mike Rapoport --- arch/arm64/include/asm/unistd32.h | 2 ++ arch/arm64/include/uapi/asm/unistd.h | 1 + arch/riscv/include/asm/unistd.h | 1 + arch/x86/entry/syscalls/syscall_32.tbl | 1 + arch/x86/entry/syscalls/syscall_64.tbl | 1 + include/linux/syscalls.h | 1 + include/uapi/asm-generic/unistd.h | 7 ++++++- 7 files changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/u= nistd32.h index 6d95d0c8bf2f..f9e00baa67f5 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -885,6 +885,8 @@ __SYSCALL(__NR_openat2, sys_openat2) __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd) #define __NR_faccessat2 439 __SYSCALL(__NR_faccessat2, sys_faccessat2) +#define __NR_secretmemfd 439 +__SYSCALL(__NR_secretmemfd, sys_secretmemfd) =20 /* * Please add new compat syscalls above this comment and update diff --git a/arch/arm64/include/uapi/asm/unistd.h b/arch/arm64/include/ua= pi/asm/unistd.h index f83a70e07df8..f2693f05fc80 100644 --- a/arch/arm64/include/uapi/asm/unistd.h +++ b/arch/arm64/include/uapi/asm/unistd.h @@ -20,5 +20,6 @@ #define __ARCH_WANT_SET_GET_RLIMIT #define __ARCH_WANT_TIME32_SYSCALLS #define __ARCH_WANT_SYS_CLONE3 +#define __ARCH_WANT_SECRETMEMFD =20 #include diff --git a/arch/riscv/include/asm/unistd.h b/arch/riscv/include/asm/uni= std.h index 977ee6181dab..9e47d9aed5eb 100644 --- a/arch/riscv/include/asm/unistd.h +++ b/arch/riscv/include/asm/unistd.h @@ -9,6 +9,7 @@ */ =20 #define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SECRETMEMFD =20 #include =20 diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/sysc= alls/syscall_32.tbl index d8f8a1a69ed1..7b91a932ed13 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -443,3 +443,4 @@ 437 i386 openat2 sys_openat2 438 i386 pidfd_getfd sys_pidfd_getfd 439 i386 faccessat2 sys_faccessat2 +440 i386 secretmemfd sys_secretmemfd diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/sysc= alls/syscall_64.tbl index 78847b32e137..9cddea4ec1ce 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -360,6 +360,7 @@ 437 common openat2 sys_openat2 438 common pidfd_getfd sys_pidfd_getfd 439 common faccessat2 sys_faccessat2 +440 common secretmemfd sys_secretmemfd =20 # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index b951a87da987..8fe242fc70ea 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -1005,6 +1005,7 @@ asmlinkage long sys_pidfd_send_signal(int pidfd, in= t sig, siginfo_t __user *info, unsigned int flags); asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags); +asmlinkage long sys_secretmemfd(unsigned long flags); =20 /* * Architecture-specific system calls diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic= /unistd.h index f4a01305d9a6..aadaf25cbf5a 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -858,8 +858,13 @@ __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd) #define __NR_faccessat2 439 __SYSCALL(__NR_faccessat2, sys_faccessat2) =20 +#ifdef __ARCH_WANT_SECRETMEMFD +#define __NR_secretmemfd 440 +__SYSCALL(__NR_secretmemfd, sys_secretmemfd) +#endif + #undef __NR_syscalls -#define __NR_syscalls 440 +#define __NR_syscalls 441 =20 /* * 32 bit systems traditionally used different --=20 2.26.2