From patchwork Sat Nov 21 14:43:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Willem de Bruijn X-Patchwork-Id: 11923525 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 16A29C6379D for ; Sat, 21 Nov 2020 14:44:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D085E22201 for ; Sat, 21 Nov 2020 14:44:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="I8fcH2d4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728122AbgKUOoN (ORCPT ); Sat, 21 Nov 2020 09:44:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728103AbgKUOoL (ORCPT ); Sat, 21 Nov 2020 09:44:11 -0500 Received: from mail-qk1-x744.google.com (mail-qk1-x744.google.com [IPv6:2607:f8b0:4864:20::744]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D651C0613CF; Sat, 21 Nov 2020 06:44:08 -0800 (PST) Received: by mail-qk1-x744.google.com with SMTP id n132so11956733qke.1; Sat, 21 Nov 2020 06:44:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qE1x6H4Fy3MfUlojyiG5SemJMOEUWmWjoodQCFGhVSY=; b=I8fcH2d4kxycP5DFsTlrSERwVi0RV2zOfKcBl6K5+DltOtbM2re0GT+IgrDOyRB0El /LjdpTdRsshtGR0WHU+3MH1JZH0Z9Gd4c8SblO3WWnC9rOBv7tcXyV7cPceiLWgphCt6 vlkYcGwI4x+I8Pv7zZYiDNdUy+F/l9Fl001RdhF26AQnEKGRDLGs1aT/t5oRhW9edysU j7axxP84bOjOw2WibPuR2R8LOP7ceBn58H6Q4JfMr+4IN8PCAl5GeTBHNEOFkghZDC9q 0c5nOdEkm0/Q6cnlOYqupMBAEO3h0UPiAXcOFbBMOtSOjNroIamfdB0NG63tABJNpECW d+wA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qE1x6H4Fy3MfUlojyiG5SemJMOEUWmWjoodQCFGhVSY=; b=MvUdrfLU6VE0gYtVhkQwqjQRZtOu+5JiIkrO5DgovTjswvOlk/BJ2nHxwSarWmh4Jy Rag8Y7cnL+V9LeNKzYXQvm52AukpBxHRSr5WSvQWpH4MDZB6Utp3MCaQaN79ajHiOmXo yRP2uVqkDMg0yq9fYjvzicYsQwK/Hk+Miw+EYLiAAjXI83OyU8oj9qTxCw7eaTyUSUbL /clOrTJ5Z0umwdT+3tVELW9kmdbK3+3BxVjqbjVVnS9OLm8AZZIuIMVxaA2OgS3XF7PZ oIWmFPffauHQA2HhdYP11iShTG06go9PhTk8b5wAx0RAeT83qNQsy09E+cJUXqFglUJ0 pR0g== X-Gm-Message-State: AOAM531y5idV7KDPdn1QLPMxZEqvLZyLAbHJhxP+Ww5Kv2Zp8QuB9p+r QvqZKIL6w0NBMtz7rV0/+uDNe/ViYsw= X-Google-Smtp-Source: ABdhPJy2fWW1j4wZlTT62pedAl0UryvreljPaG62csmYvZyy+Owz0EBIXIEhzpmbD16995kdCalH/Q== X-Received: by 2002:a37:ad19:: with SMTP id f25mr20851752qkm.308.1605969847122; Sat, 21 Nov 2020 06:44:07 -0800 (PST) Received: from willemb.nyc.corp.google.com ([2620:0:1003:312:f693:9fff:fef4:3e8a]) by smtp.gmail.com with ESMTPSA id q15sm4055137qki.13.2020.11.21.06.44.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Nov 2020 06:44:06 -0800 (PST) From: Willem de Bruijn To: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk, akpm@linux-foundation.org, soheil.kdev@gmail.com, willy@infradead.org, arnd@arndb.de, shuochen@google.com, linux-man@vger.kernel.org, Willem de Bruijn Subject: [PATCH v4 3/4] epoll: wire up syscall epoll_pwait2 Date: Sat, 21 Nov 2020 09:43:59 -0500 Message-Id: <20201121144401.3727659-4-willemdebruijn.kernel@gmail.com> X-Mailer: git-send-email 2.29.2.454.gaff20da3a2-goog In-Reply-To: <20201121144401.3727659-1-willemdebruijn.kernel@gmail.com> References: <20201121144401.3727659-1-willemdebruijn.kernel@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Willem de Bruijn Split off from prev patch in the series that implements the syscall. Signed-off-by: Willem de Bruijn --- arch/alpha/kernel/syscalls/syscall.tbl | 1 + arch/arm/tools/syscall.tbl | 1 + arch/arm64/include/asm/unistd.h | 2 +- arch/arm64/include/asm/unistd32.h | 2 ++ arch/ia64/kernel/syscalls/syscall.tbl | 1 + arch/m68k/kernel/syscalls/syscall.tbl | 1 + arch/microblaze/kernel/syscalls/syscall.tbl | 1 + arch/mips/kernel/syscalls/syscall_n32.tbl | 1 + arch/mips/kernel/syscalls/syscall_n64.tbl | 1 + arch/mips/kernel/syscalls/syscall_o32.tbl | 1 + arch/parisc/kernel/syscalls/syscall.tbl | 1 + arch/powerpc/kernel/syscalls/syscall.tbl | 1 + arch/s390/kernel/syscalls/syscall.tbl | 1 + arch/sh/kernel/syscalls/syscall.tbl | 1 + arch/sparc/kernel/syscalls/syscall.tbl | 1 + arch/x86/entry/syscalls/syscall_32.tbl | 1 + arch/x86/entry/syscalls/syscall_64.tbl | 1 + arch/xtensa/kernel/syscalls/syscall.tbl | 1 + include/linux/compat.h | 6 ++++++ include/linux/syscalls.h | 5 +++++ include/uapi/asm-generic/unistd.h | 4 +++- kernel/sys_ni.c | 2 ++ 22 files changed, 35 insertions(+), 2 deletions(-) diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index c5cc5bfa2062..506e59a9ff87 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -481,3 +481,4 @@ 549 common faccessat2 sys_faccessat2 550 common process_madvise sys_process_madvise 551 common watch_mount sys_watch_mount +553 common epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index 47325b3b661a..dbde88a855b6 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -455,3 +455,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 949788f5ba40..d1f7d35f986e 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -38,7 +38,7 @@ #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5) #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800) -#define __NR_compat_syscalls 443 +#define __NR_compat_syscalls 444 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index c71c3fe0b6cd..b84e24a7e2c0 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -893,6 +893,8 @@ __SYSCALL(__NR_process_madvise, sys_process_madvise) __SYSCALL(__NR_watch_mount, sys_watch_mount) #define __NR_memfd_secret 442 __SYSCALL(__NR_memfd_secret, sys_memfd_secret) +#define __NR_epoll_pwait2 443 +__SYSCALL(__NR_epoll_pwait2, sys_epoll_pwait2) /* * Please add new compat syscalls above this comment and update diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl index 033244462350..c8809959636f 100644 --- a/arch/ia64/kernel/syscalls/syscall.tbl +++ b/arch/ia64/kernel/syscalls/syscall.tbl @@ -362,3 +362,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl index efd3ecb3cdfc..dde585616bf8 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -441,3 +441,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl index 67ae5a5e4d21..4c09f27fedd0 100644 --- a/arch/microblaze/kernel/syscalls/syscall.tbl +++ b/arch/microblaze/kernel/syscalls/syscall.tbl @@ -447,3 +447,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index c59bc6acc47a..00921244242d 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -380,3 +380,4 @@ 439 n32 faccessat2 sys_faccessat2 440 n32 process_madvise sys_process_madvise 441 n32 watch_mount sys_watch_mount +443 n32 epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index 50bbb9517052..b7920f76358d 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -356,3 +356,4 @@ 439 n64 faccessat2 sys_faccessat2 440 n64 process_madvise sys_process_madvise 441 n64 watch_mount sys_watch_mount +443 n64 epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 1d5644e221b4..2ab5ed500113 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -429,3 +429,4 @@ 439 o32 faccessat2 sys_faccessat2 440 o32 process_madvise sys_process_madvise 441 o32 watch_mount sys_watch_mount +443 o32 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index 4492cc2fce23..9caf7d969846 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -439,3 +439,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index ee122bfc2ddc..dce635420226 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -531,3 +531,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index b467b57d66d1..dedfa6db9f8d 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -444,3 +444,4 @@ 439 common faccessat2 sys_faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index f9c7ca5cb969..f7a383ae2c48 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -444,3 +444,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index 341fd4ba053b..a6cdf450d0f4 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -487,3 +487,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 109e6681b8fa..9a4e8ec207fc 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -447,3 +447,4 @@ 440 i386 process_madvise sys_process_madvise 441 i386 watch_mount sys_watch_mount 442 i386 memfd_secret sys_memfd_secret +443 i386 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index 742cf17d7725..e2cb5f87e760 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -364,6 +364,7 @@ 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount 442 common memfd_secret sys_memfd_secret +443 common epoll_pwait2 sys_epoll_pwait2 # # Due to a historical design error, certain syscalls are numbered differently diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl index 6225d87be81f..1c8ae5fd026e 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -412,3 +412,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount +443 common epoll_pwait2 sys_epoll_pwait2 diff --git a/include/linux/compat.h b/include/linux/compat.h index 14d514233e1d..76dc28a2e7f1 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -505,6 +505,12 @@ asmlinkage long compat_sys_epoll_pwait(int epfd, int maxevents, int timeout, const compat_sigset_t __user *sigmask, compat_size_t sigsetsize); +asmlinkage long compat_sys_epoll_pwait2(int epfd, + struct epoll_event __user *events, + int maxevents, + const struct __kernel_timespec __user *timeout, + const compat_sigset_t __user *sigmask, + compat_size_t sigsetsize); /* fs/fcntl.c */ asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index e87a96ace85b..2ba45fb7874c 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -362,6 +362,11 @@ asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events, int maxevents, int timeout, const sigset_t __user *sigmask, size_t sigsetsize); +asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events, + int maxevents, + const struct __kernel_timespec __user *timeout, + const sigset_t __user *sigmask, + size_t sigsetsize); /* fs/fcntl.c */ asmlinkage long sys_dup(unsigned int fildes); diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 3bc087d14535..aa883388700e 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -865,9 +865,11 @@ __SYSCALL(__NR_watch_mount, sys_watch_mount) #define __NR_memfd_secret 442 __SYSCALL(__NR_memfd_secret, sys_memfd_secret) #endif +#define __NR_epoll_pwait2 443 +__SC_COMP(__NR_epoll_pwait2, sys_epoll_pwait2, compat_sys_epoll_pwait2) #undef __NR_syscalls -#define __NR_syscalls 443 +#define __NR_syscalls 444 /* * 32 bit systems traditionally used different diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 805fd7a668be..869aa6b5bf34 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -68,6 +68,8 @@ COND_SYSCALL(epoll_create1); COND_SYSCALL(epoll_ctl); COND_SYSCALL(epoll_pwait); COND_SYSCALL_COMPAT(epoll_pwait); +COND_SYSCALL(epoll_pwait2); +COND_SYSCALL_COMPAT(epoll_pwait2); /* fs/fcntl.c */