linux-kernel - [PATCH] blackfin: Wire up missing syscalls

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Message-ID: <BLU436-SMTP13077D648242090266CF425B9F80@phx.gbl>
Date:	Sun, 12 Apr 2015 15:44:37 +0800
From:	Chen Gang <xili_gchen_5257@...mail.com>
To:	realmz6@...il.com, Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Richard Weinberger <richard.weinberger@...il.com>,
	"adi-buildroot-devel@...ts.sourceforge.net" 
	<adi-buildroot-devel@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] blackfin: Wire up missing syscalls

The related syscalls are below which may cause samples/kdbus building
break in next-20150401 tree, the related information and error:

    CALL    scripts/checksyscalls.sh
  <stdin>:1223:2: warning: #warning syscall kcmp not implemented [-Wcpp]
  <stdin>:1226:2: warning: #warning syscall finit_module not implemented [-Wcpp]
  <stdin>:1229:2: warning: #warning syscall sched_setattr not implemented [-Wcpp]
  <stdin>:1232:2: warning: #warning syscall sched_getattr not implemented [-Wcpp]
  <stdin>:1235:2: warning: #warning syscall renameat2 not implemented [-Wcpp]
  <stdin>:1238:2: warning: #warning syscall seccomp not implemented [-Wcpp]
  <stdin>:1241:2: warning: #warning syscall getrandom not implemented [-Wcpp]
  <stdin>:1244:2: warning: #warning syscall memfd_create not implemented [-Wcpp]
  <stdin>:1247:2: warning: #warning syscall bpf not implemented [-Wcpp]
  <stdin>:1250:2: warning: #warning syscall execveat not implemented [-Wcpp]
  [...]
    HOSTCC  samples/kdbus/kdbus-workers
  samples/kdbus/kdbus-workers.c: In function ‘prime_new’:
  samples/kdbus/kdbus-workers.c:930:18: error: ‘__NR_memfd_create’ undeclared (first use in this function)
    p->fd = syscall(__NR_memfd_create, "prime-area", MFD_CLOEXEC);
                    ^
  samples/kdbus/kdbus-workers.c:930:18: note: each undeclared identifier is reported only once for each function it appears in

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 arch/blackfin/include/uapi/asm/unistd.h | 12 +++++++++++-
 arch/blackfin/mach-common/entry.S       | 10 ++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/arch/blackfin/include/uapi/asm/unistd.h b/arch/blackfin/include/uapi/asm/unistd.h
index a451164..0cb9078 100644
--- a/arch/blackfin/include/uapi/asm/unistd.h
+++ b/arch/blackfin/include/uapi/asm/unistd.h
@@ -401,8 +401,18 @@
 #define __NR_sendmmsg		380
 #define __NR_process_vm_readv	381
 #define __NR_process_vm_writev	382
+#define __NR_kcmp		383
+#define __NR_finit_module	384
+#define __NR_sched_setattr	385
+#define __NR_sched_getattr	386
+#define __NR_renameat2		387
+#define __NR_seccomp		388
+#define __NR_getrandom		389
+#define __NR_memfd_create	390
+#define __NR_bpf		391
+#define __NR_execveat		392
 
-#define __NR_syscall		383
+#define __NR_syscall		393  /* For internal using, not implemented */
 #define NR_syscalls		__NR_syscall
 
 /* Old optional stuff no one actually uses */
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 86b5a09..5b6c4aa 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1694,6 +1694,16 @@ ENTRY(_sys_call_table)
 	.long _sys_sendmmsg		/* 380 */
 	.long _sys_process_vm_readv
 	.long _sys_process_vm_writev
+        .long _sys_kcmp
+        .long _sys_finit_module
+        .long _sys_sched_setattr	/* 385 */
+        .long _sys_sched_getattr
+        .long _sys_renameat2
+        .long _sys_seccomp
+        .long _sys_getrandom
+        .long _sys_memfd_create		/* 390 */
+        .long _sys_bpf
+        .long _sys_execveat
 
 	.rept NR_syscalls-(.-_sys_call_table)/4
 	.long _sys_ni_syscall
-- 
1.9.3
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