linux-kernel - [PATCH 1/6] powerpc/syscalls: Switch trivial cases to SYSCALL

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Message-Id: <20180502132051.28861-1-mpe@ellerman.id.au>
Date:   Wed,  2 May 2018 23:20:46 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     linuxppc-dev@...abs.org
Cc:     viro@...iv.linux.org.uk, linux-kernel@...r.kernel.org
Subject: [PATCH 1/6] powerpc/syscalls: Switch trivial cases to SYSCALL_DEFINE

From: Al Viro <viro@...iv.linux.org.uk>

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 arch/powerpc/kernel/pci_32.c               | 6 +++---
 arch/powerpc/kernel/pci_64.c               | 4 ++--
 arch/powerpc/mm/subpage-prot.c             | 4 +++-
 arch/powerpc/platforms/cell/spu_syscalls.c | 3 ++-
 4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 85ad2f78b889..af36e46c3ed6 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -16,6 +16,7 @@
 #include <linux/of.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <linux/syscalls.h>
 
 #include <asm/processor.h>
 #include <asm/io.h>
@@ -283,7 +284,8 @@ pci_bus_to_hose(int bus)
  * Note that the returned IO or memory base is a physical address
  */
 
-long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn)
+SYSCALL_DEFINE3(pciconfig_iobase, long, which,
+		unsigned long, bus, unsigned long, devfn)
 {
 	struct pci_controller* hose;
 	long result = -EOPNOTSUPP;
@@ -307,5 +309,3 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn)
 
 	return result;
 }
-
-
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 15ce0306b092..dff28f903512 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -203,8 +203,8 @@ void pcibios_setup_phb_io_space(struct pci_controller *hose)
 #define IOBASE_ISA_IO		3
 #define IOBASE_ISA_MEM		4
 
-long sys_pciconfig_iobase(long which, unsigned long in_bus,
-			  unsigned long in_devfn)
+SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus,
+			  unsigned long, in_devfn)
 {
 	struct pci_controller* hose;
 	struct pci_bus *tmp_bus, *bus = NULL;
diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c
index f14a07c2fb90..9d16ee251fc0 100644
--- a/arch/powerpc/mm/subpage-prot.c
+++ b/arch/powerpc/mm/subpage-prot.c
@@ -13,6 +13,7 @@
 #include <linux/types.h>
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
+#include <linux/syscalls.h>
 
 #include <asm/pgtable.h>
 #include <linux/uaccess.h>
@@ -185,7 +186,8 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
  * in a 2-bit field won't allow writes to a page that is otherwise
  * write-protected.
  */
-long sys_subpage_prot(unsigned long addr, unsigned long len, u32 __user *map)
+SYSCALL_DEFINE3(subpage_prot, unsigned long, addr,
+		unsigned long, len, u32 __user *, map)
 {
 	struct mm_struct *mm = current->mm;
 	struct subpage_prot_table *spt = &mm->context.spt;
diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c
index 5e6e0bad6db6..263413a34823 100644
--- a/arch/powerpc/platforms/cell/spu_syscalls.c
+++ b/arch/powerpc/platforms/cell/spu_syscalls.c
@@ -26,6 +26,7 @@
 #include <linux/syscalls.h>
 #include <linux/rcupdate.h>
 #include <linux/binfmts.h>
+#include <linux/syscalls.h>
 
 #include <asm/spu.h>
 
@@ -90,7 +91,7 @@ SYSCALL_DEFINE4(spu_create, const char __user *, name, unsigned int, flags,
 	return ret;
 }
 
-asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus)
+SYSCALL_DEFINE3(spu_run,int, fd, __u32 __user *, unpc, __u32 __user *, ustatus)
 {
 	long ret;
 	struct fd arg;
-- 
2.14.1