[PATCH v7 06/10] futex: Wire up set_robust_list2 syscall
From: André Almeida <andrealmeid@igalia.com>
Date: 2026-09-25 17:53:57
Also in:
linux-kselftest, lkml
Subsystem:
alpha port, arm port, generic include/asm header files, linux for powerpc (32-bit and 64-bit), m68k architecture, microblaze architecture, mips, parisc architecture, s390 architecture, sparc + ultrasparc (sparc/sparc64), superh, tensilica xtensa port (xtensa), the rest, x86 architecture (32-bit and 64-bit), x86 entry code · Maintainers:
Richard Henderson, Matt Turner, Magnus Lindholm, Russell King, Arnd Bergmann, Madhavan Srinivasan, Geert Uytterhoeven, Michal Simek, Thomas Bogendoerfer, "James E.J. Bottomley", Helge Deller, Heiko Carstens, Vasily Gorbik, Alexander Gordeev, "David S. Miller", Andreas Larsson, Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz, Chris Zankel, Max Filippov, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen, Andy Lutomirski
Wire up the new set_robust_list2 syscall in all available architectures. Signed-off-by: André Almeida <andrealmeid@igalia.com> --- 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 | 5 ++++- scripts/syscall.tbl | 1 + 17 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index 52e3538cc7df..cdf641845014 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl@@ -512,3 +512,4 @@ 580 common listns sys_listns 581 common rseq_slice_yield sys_rseq_slice_yield 582 common fchroot sys_fchroot +583 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
index 55717ed32c27..c287461803ff 100644
--- a/arch/arm/tools/syscall.tbl
+++ b/arch/arm/tools/syscall.tbl@@ -487,3 +487,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl
index ba7a4d8903d0..beb0ba7f350c 100644
--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl@@ -472,3 +472,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl
index c55a5c96f49b..5c5b36426187 100644
--- a/arch/microblaze/kernel/syscalls/syscall.tbl
+++ b/arch/microblaze/kernel/syscalls/syscall.tbl@@ -478,3 +478,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 9ae88e4eac61..5b5b217ee7f3 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl@@ -411,3 +411,4 @@ 470 n32 listns sys_listns 471 n32 rseq_slice_yield sys_rseq_slice_yield 472 n32 fchroot sys_fchroot +473 n32 set_robust_list2 sys_set_robust_list2
diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
index 83dc93a0712f..6f203cb3a558 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n64.tbl@@ -387,3 +387,4 @@ 470 n64 listns sys_listns 471 n64 rseq_slice_yield sys_rseq_slice_yield 472 n64 fchroot sys_fchroot +473 n64 set_robust_list2 sys_set_robust_list2
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 9c62429c9b7b..d170650521a7 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl@@ -460,3 +460,4 @@ 470 o32 listns sys_listns 471 o32 rseq_slice_yield sys_rseq_slice_yield 472 o32 fchroot sys_fchroot +473 o32 set_robust_list2 sys_set_robust_list2
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 88adc4016cce..f9317ff28e37 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl@@ -471,3 +471,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index cfbb70039ff0..acb9d446d1f6 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl@@ -563,3 +563,4 @@ 470 common listns sys_listns 471 nospu rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index 1b45e68a217b..987e026ffbcf 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl@@ -399,3 +399,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index ace068dff0de..c944333c1990 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl@@ -476,3 +476,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index 5b9fe0e8140f..3c01fa1cd885 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl@@ -518,3 +518,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 2c172ef48dfd..11ebbf074920 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl@@ -478,3 +478,4 @@ 470 i386 listns sys_listns 471 i386 rseq_slice_yield sys_rseq_slice_yield 472 i386 fchroot sys_fchroot +473 i386 set_robust_list2 sys_set_robust_list2
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index d5b6045b0090..53398e8d4981 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl@@ -397,6 +397,7 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2 # # 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 d354bb231796..7ba9d6993800 100644
--- a/arch/xtensa/kernel/syscalls/syscall.tbl
+++ b/arch/xtensa/kernel/syscalls/syscall.tbl@@ -443,3 +443,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 5b7e77a7c736..7525e0add809 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h@@ -867,8 +867,11 @@ __SYSCALL(__NR_rseq_slice_yield, sys_rseq_slice_yield) #define __NR_fchroot 472 __SYSCALL(__NR_fchroot, sys_fchroot) +#define __NR_set_robust_list2 473 +__SYSCALL(__NR_set_robust_list2, sys_set_robust_list2) + #undef __NR_syscalls -#define __NR_syscalls 473 +#define __NR_syscalls 474 /* * 32 bit systems traditionally used different
diff --git a/scripts/syscall.tbl b/scripts/syscall.tbl
index 0ab531605120..c8d261cb8762 100644
--- a/scripts/syscall.tbl
+++ b/scripts/syscall.tbl@@ -413,3 +413,4 @@ 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield 472 common fchroot sys_fchroot +473 common set_robust_list2 sys_set_robust_list2
--
2.55.0