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  3. [PATCH v6 0/9] futex: Create {set,get}_robust_list2() syscalls
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[PATCH v6 6/9] futex: Wire up get_robust_list2 syscall

André Almeida posted 9 patches 1 week, 2 days ago
[PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
Posted by André Almeida 1 week, 2 days ago 
Wire up the new get_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           | 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/syscalls/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/syscalls/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/syscalls/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/syscalls/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/syscalls/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/syscalls/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/syscalls/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/syscalls/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/syscalls/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/syscalls/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
 
 #
 # 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 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/unistd.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)
 
 #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)
 
 #undef __NR_syscalls
-#define __NR_syscalls 471
+#define __NR_syscalls 472
 
 /*
  * 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);
 
 /* CONFIG_MMU only */
 COND_SYSCALL(swapon);

-- 
2.52.0
Re: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
Posted by kernel test robot 1 week, 2 days ago 
Hi André,

kernel test robot noticed the following build warnings:

[auto build test WARNING on c42ba5a87bdccbca11403b7ca8bad1a57b833732]

url:    https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/futex-Use-explicit-sizes-for-compat_robust_list-structs/20251122-135406
base:   c42ba5a87bdccbca11403b7ca8bad1a57b833732
patch link:    https://lore.kernel.org/r/20251122-tonyk-robust_futex-v6-6-05fea005a0fd%40igalia.com
patch subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
config: hexagon-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511221522.uRpEUT5O-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221522.uRpEUT5O-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511221522.uRpEUT5O-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> <stdin>:1627:2: warning: syscall get_robust_list2 not implemented [-W#warnings]
    1627 | #warning syscall get_robust_list2 not implemented
         |  ^
   1 warning generated.
--
>> <stdin>:1627:2: warning: syscall get_robust_list2 not implemented [-W#warnings]
    1627 | #warning syscall get_robust_list2 not implemented
         |  ^
   1 warning generated.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Re: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
Posted by kernel test robot 1 week, 2 days ago 
Hi André,

kernel test robot noticed the following build errors:

[auto build test ERROR on c42ba5a87bdccbca11403b7ca8bad1a57b833732]

url:    https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/futex-Use-explicit-sizes-for-compat_robust_list-structs/20251122-135406
base:   c42ba5a87bdccbca11403b7ca8bad1a57b833732
patch link:    https://lore.kernel.org/r/20251122-tonyk-robust_futex-v6-6-05fea005a0fd%40igalia.com
patch subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511221516.vYMzvSVO-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221516.vYMzvSVO-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511221516.vYMzvSVO-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error: arch/powerpc/kernel/syscalls/syscall.tbl: syscall table is not sorted or duplicates the same syscall number
   make[3]: *** [arch/powerpc/kernel/syscalls/Makefile:31: arch/powerpc/include/generated/asm/syscall_table_64.h] Error 1
   make[3]: *** Deleting file 'arch/powerpc/include/generated/asm/syscall_table_64.h'
>> error: arch/powerpc/kernel/syscalls/syscall.tbl: syscall table is not sorted or duplicates the same syscall number
   make[3]: *** [arch/powerpc/kernel/syscalls/Makefile:35: arch/powerpc/include/generated/asm/syscall_table_spu.h] Error 1
   make[3]: *** Deleting file 'arch/powerpc/include/generated/asm/syscall_table_spu.h'
>> error: arch/powerpc/kernel/syscalls/syscall.tbl: syscall table is not sorted or duplicates the same syscall number
   make[3]: *** [arch/powerpc/kernel/syscalls/Makefile:27: arch/powerpc/include/generated/asm/syscall_table_32.h] Error 1
   make[3]: *** Deleting file 'arch/powerpc/include/generated/asm/syscall_table_32.h'
   make[3]: Target 'all' not remade because of errors.
   make[2]: *** [arch/powerpc/Makefile:397: archheaders] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Re: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
Posted by kernel test robot 1 week, 2 days ago 
Hi André,

kernel test robot noticed the following build warnings:

[auto build test WARNING on c42ba5a87bdccbca11403b7ca8bad1a57b833732]

url:    https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/futex-Use-explicit-sizes-for-compat_robust_list-structs/20251122-135406
base:   c42ba5a87bdccbca11403b7ca8bad1a57b833732
patch link:    https://lore.kernel.org/r/20251122-tonyk-robust_futex-v6-6-05fea005a0fd%40igalia.com
patch subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511221454.rsysOoSt-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]
--
>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Re: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
Posted by Thomas Gleixner 1 week, 1 day ago 
On Sat, Nov 22 2025 at 14:49, kernel test robot wrote:
> kernel test robot noticed the following build warnings:
>
> [auto build test WARNING on c42ba5a87bdccbca11403b7ca8bad1a57b833732]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/futex-Use-explicit-sizes-for-compat_robust_list-structs/20251122-135406
> base:   c42ba5a87bdccbca11403b7ca8bad1a57b833732
> patch link:    https://lore.kernel.org/r/20251122-tonyk-robust_futex-v6-6-05fea005a0fd%40igalia.com
> patch subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
> config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/config)
> compiler: arc-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202511221454.rsysOoSt-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]
> --
>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]

Lacks a COND_SYSCALL()
Re: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
Posted by Arnd Bergmann 1 week, 1 day ago 
On Sun, Nov 23, 2025, at 19:47, Thomas Gleixner wrote:
> On Sat, Nov 22 2025 at 14:49, kernel test robot wrote:
>> kernel test robot noticed the following build warnings:
>>
>> [auto build test WARNING on c42ba5a87bdccbca11403b7ca8bad1a57b833732]
>>
>> url:    https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/futex-Use-explicit-sizes-for-compat_robust_list-structs/20251122-135406
>> base:   c42ba5a87bdccbca11403b7ca8bad1a57b833732
>> patch link:    https://lore.kernel.org/r/20251122-tonyk-robust_futex-v6-6-05fea005a0fd%40igalia.com
>> patch subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
>> config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/config)
>> compiler: arc-linux-gcc (GCC) 15.1.0
>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/reproduce)
>>
>> If you fix the issue in a separate patch/commit (i.e. not just a new version of
>> the same patch/commit), kindly add following tags
>> | Reported-by: kernel test robot <lkp@intel.com>
>> | Closes: https://lore.kernel.org/oe-kbuild-all/202511221454.rsysOoSt-lkp@intel.com/
>>
>> All warnings (new ones prefixed by >>):
>>
>>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]
>> --
>>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]
>
> Lacks a COND_SYSCALL()

No, it's actually

scripts/syscall.tbl

that is missing, which means that the newer architectures
are missing the update. This used to be include/uapi/asm/unistd.h,
which still exists but is now unused.

     Arnd
Re: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
Posted by Thomas Gleixner 1 week, 1 day ago 
On Sun, Nov 23 2025 at 20:19, Arnd Bergmann wrote:
> On Sun, Nov 23, 2025, at 19:47, Thomas Gleixner wrote:
>> On Sat, Nov 22 2025 at 14:49, kernel test robot wrote:
>>> kernel test robot noticed the following build warnings:
>>>
>>> [auto build test WARNING on c42ba5a87bdccbca11403b7ca8bad1a57b833732]
>>>
>>> url:    https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/futex-Use-explicit-sizes-for-compat_robust_list-structs/20251122-135406
>>> base:   c42ba5a87bdccbca11403b7ca8bad1a57b833732
>>> patch link:    https://lore.kernel.org/r/20251122-tonyk-robust_futex-v6-6-05fea005a0fd%40igalia.com
>>> patch subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
>>> config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/config)
>>> compiler: arc-linux-gcc (GCC) 15.1.0
>>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/reproduce)
>>>
>>> If you fix the issue in a separate patch/commit (i.e. not just a new version of
>>> the same patch/commit), kindly add following tags
>>> | Reported-by: kernel test robot <lkp@intel.com>
>>> | Closes: https://lore.kernel.org/oe-kbuild-all/202511221454.rsysOoSt-lkp@intel.com/
>>>
>>> All warnings (new ones prefixed by >>):
>>>
>>>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]
>>> --
>>>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]
>>
>> Lacks a COND_SYSCALL()
>
> No, it's actually
>
> scripts/syscall.tbl
>
> that is missing, which means that the newer architectures
> are missing the update. This used to be include/uapi/asm/unistd.h,
> which still exists but is now unused.

So it's both. That syscall depends on CONFIG_FUTEX, which means
COND_SYCALL() is required and it's actually added in patch 9/9 while 5/9
which adds the set() variant adds it right away :)

Thanks,

        tglx

Patchew 2.1-devel-b67e4c2

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