PKGBUILDs/core/linux-imx6/0004-ARM-wire-up-getrandom-syscall.patch

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2017-05-08 02:09:44 +00:00
From d17493a9d19e5924cf5a00eb10f4a29c87084800 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Fri, 8 Aug 2014 10:56:34 +0100
Subject: [PATCH 4/5] ARM: wire up getrandom syscall
Add the new getrandom syscall for ARM.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
arch/arm/include/asm/unistd.h | 2 +-
arch/arm/include/uapi/asm/unistd.h | 1 +
arch/arm/kernel/calls.S | 3 +++
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 21ca0cebcab0..32640c431a08 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -19,7 +19,7 @@
* This may need to be greater than __NR_last_syscall+1 in order to
* account for the padding in the syscall table
*/
-#define __NR_syscalls (384)
+#define __NR_syscalls (388)
/*
* *NOTE*: This is a ghost syscall private to the kernel. Only the
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index c3776331f407..79d451df99a3 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -408,6 +408,7 @@
#define __NR_finit_module (__NR_SYSCALL_BASE+379)
#define __NR_sched_setattr (__NR_SYSCALL_BASE+380)
#define __NR_sched_getattr (__NR_SYSCALL_BASE+381)
+#define __NR_getrandom (__NR_SYSCALL_BASE+384)
/*
* The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 166e945de832..7df289c3507b 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -391,6 +391,9 @@
CALL(sys_finit_module)
/* 380 */ CALL(sys_sched_setattr)
CALL(sys_sched_getattr)
+ CALL(sys_ni_syscall)
+ CALL(sys_ni_syscall)
+ CALL(sys_getrandom)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted
--
2.12.2