From nobody Tue Dec 2 01:28:45 2025 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (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 966F62BE03D; Sat, 22 Nov 2025 05:51:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763790691; cv=none; b=qD74TVHb6s4DA8dIEKgE4WAVUQFeJRevB5FBHWE83gRLlnMom3DiMc1TWt3XK1G9Kg0CQjLRCOY8SjEsKVPAotx3xfRpryIUgs/ObyOaGCiJjRENQyJYH8BkqIsqa8QpebSluM7LghJRXv1yX+Mnwe0MQLDKDTHWSugQbdyqi1Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763790691; c=relaxed/simple; bh=hbNXjpY847J9gIEo/zUHDT1s0Qd3MFk6DEAx759fcDQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rF8ghrfMhSRB1MlnPPGRfJYKhDjyHgV84iJ8gIUg6QzuBZZNiSigxKr9n+FDNDOqo35ZcnPhvqp281eM6HxZ+D6DOgwYuPHYdngvD9Lwh6iajNvrP0/ijsiSARPDlBRueCkASgISiKZ6wVkXDp/DboE1QssY6sUg6ryeJTHhUCM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=Wn6QIkGZ; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="Wn6QIkGZ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Cc:To:In-Reply-To:References:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From:Sender: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=oMl8VKqo68dtKQI1fBQMiaA54tMMEUZSj8LxMeoI1/0=; b=Wn6QIkGZak159bCkfkYXOOAltI FgAT9KU1syCjCS7HeexwhS6IAagZhJMgGd811x0omMxGZawSlwqWWgc3xPkJRXOy2ACA7ez0pY7yc oLcQ1VRnf771PKnwa2KTUbGY3M8/KfbyKrTW6RG7SaeSWv/nTz3oDmMqbhRHoJOFo/w0HGx1mR2pn Uy2sXLspaZWi9WDHzgk5nWRw3GqICVG0xUg3YuUbKsfXwWDtcnL+f9H+WVnK3ArmmkfI6ajk7jaQC shiTGEy0Q0VDWMC3oSwYinmkSpEidZfum33az937jwCC6mp/7E9nU5GpEwnOTpjhHsrC/7eBkNeqN eyBJYXyw==; Received: from [187.101.0.152] (helo=[192.168.15.100]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1vMgWs-003xEt-BA; Sat, 22 Nov 2025 06:51:26 +0100 From: =?utf-8?q?Andr=C3=A9_Almeida?= Date: Sat, 22 Nov 2025 02:50:48 -0300 Subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251122-tonyk-robust_futex-v6-6-05fea005a0fd@igalia.com> References: <20251122-tonyk-robust_futex-v6-0-05fea005a0fd@igalia.com> In-Reply-To: <20251122-tonyk-robust_futex-v6-0-05fea005a0fd@igalia.com> To: Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , Arnd Bergmann , Sebastian Andrzej Siewior , Waiman Long , Ryan Houdek Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org, kernel-dev@igalia.com, =?utf-8?q?Andr=C3=A9_Almeida?= X-Mailer: b4 0.14.3 Wire up the new get_robust_list2 syscall in all available architectures. Signed-off-by: Andr=C3=A9 Almeida --- arch/alpha/kernel/syscalls/syscall.tbl | 1 + arch/arm/tools/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/uapi/asm-generic/unistd.h | 4 +++- kernel/sys_ni.c | 1 + 17 files changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/sys= calls/syscall.tbl index d0cb7b902cc6..b4a42beda6db 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -510,3 +510,4 @@ 578 common file_getattr sys_file_getattr 579 common file_setattr sys_file_setattr 580 common set_robust_list2 sys_set_robust_list2 +581 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index 910e6e14ccf0..d4a4d8446cb0 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -485,3 +485,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/sysca= lls/syscall.tbl index eee3f320483d..c2f1c5a3313c 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -470,3 +470,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/= kernel/syscalls/syscall.tbl index 6c69d8ebbc38..1389dd194eec 100644 --- a/arch/microblaze/kernel/syscalls/syscall.tbl +++ b/arch/microblaze/kernel/syscalls/syscall.tbl @@ -476,3 +476,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/s= yscalls/syscall_n32.tbl index f70db3741b0e..e149d2ddbc2f 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -409,3 +409,4 @@ 468 n32 file_getattr sys_file_getattr 469 n32 file_setattr sys_file_setattr 470 n32 set_robust_list2 sys_set_robust_list2 +471 n32 get_robust_list2 sys_get_robust_list2 diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/s= yscalls/syscall_n64.tbl index 9480488f9495..7ddddc89a751 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -385,3 +385,4 @@ 468 n64 file_getattr sys_file_getattr 469 n64 file_setattr sys_file_setattr 470 n64 set_robust_list2 sys_set_robust_list2 +471 n64 get_robust_list2 sys_get_robust_list2 diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/s= yscalls/syscall_o32.tbl index 2761c9cd8946..c0a5ebafed1a 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -458,3 +458,4 @@ 468 o32 file_getattr sys_file_getattr 469 o32 file_setattr sys_file_setattr 470 o32 set_robust_list2 sys_set_robust_list2 +471 o32 get_robust_list2 sys_get_robust_list2 diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/s= yscalls/syscall.tbl index eb37fda5c48f..4c6cb64ec113 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -469,3 +469,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel= /syscalls/syscall.tbl index 472bebec449d..1475fa6b3ee3 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -561,3 +561,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +470 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/sysca= lls/syscall.tbl index ba7fac304941..b8161ee922ef 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -473,3 +473,4 @@ 468 common file_getattr sys_file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 sys_get_robust_list2 diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/= syscall.tbl index c05c94a742be..566baa152634 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -474,3 +474,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/sys= calls/syscall.tbl index 3a59f3008325..fb3844c17711 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -516,3 +516,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscal= ls/syscall_32.tbl index e9d6e1a1d777..0df93458ef37 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -476,3 +476,4 @@ 468 i386 file_getattr sys_file_getattr 469 i386 file_setattr sys_file_setattr 470 i386 set_robust_list2 sys_set_robust_list2 +471 i386 get_robust_list2 sys_get_robust_list2 diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscal= ls/syscall_64.tbl index 8fdcf090300d..e7fdcc3d6e52 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -395,6 +395,7 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 =20 # # Due to a historical design error, certain syscalls are numbered differen= tly diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/s= yscalls/syscall.tbl index d7bb6b9104dd..bd63dbc78c0e 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -441,3 +441,4 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common set_robust_list2 sys_set_robust_list2 +471 common get_robust_list2 sys_get_robust_list2 diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/u= nistd.h index 44fc87287983..9539e893c9ac 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -860,9 +860,11 @@ __SYSCALL(__NR_file_setattr, sys_file_setattr) =20 #define __NR_set_robust_list2 470 __SYSCALL(__NR_set_robust_list2, sys_set_robust_list2) +#define __NR_get_robust_list2 471 +__SYSCALL(__NR_get_robust_list2, sys_get_robust_list2) =20 #undef __NR_syscalls -#define __NR_syscalls 471 +#define __NR_syscalls 472 =20 /* * 32 bit systems traditionally used different diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 0ca2cfe69b11..0a7f7634446c 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -173,6 +173,7 @@ COND_SYSCALL(lsm_get_self_attr); COND_SYSCALL(lsm_set_self_attr); COND_SYSCALL(lsm_list_modules); COND_SYSCALL(set_robust_list2); +COND_SYSCALL(get_robust_list2); =20 /* CONFIG_MMU only */ COND_SYSCALL(swapon); --=20 2.52.0