AcoSail/kernel_optimize_test
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Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull alpha syscall cleanups from Al Viro:
 "A couple of SYSCALL_DEFINE conversions and removal of pointless (and
  bitrotted) piece stuck in ret_from_kernel_thread since the
  kernel_exceve/kernel_thread conversions six years ago"

* 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  alpha: get rid of pointless insn in ret_from_kernel_thread
  alpha: switch pci syscalls to SYSCALL_DEFINE
This commit is contained in:
Linus Torvalds 2018-04-07 14:38:01 -07:00
commit bf6879dcc4
3 changed files with 10 additions and 11 deletions
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1
arch/alpha/kernel/entry.S
View File

@ -785,7 +785,6 @@ ret_from_kernel_thread:
mov $9, $27
mov $10, $16
jsr $26, ($9)
mov $31, $19 /* to disable syscall restarts */
br $31, ret_to_user
.end ret_from_kernel_thread

15
arch/alpha/kernel/pci-noop.c
View File

@ -15,6 +15,7 @@
#include <linux/sched.h>
#include <linux/dma-mapping.h>
#include <linux/scatterlist.h>
#include <linux/syscalls.h>
#include "proto.h"
@ -46,8 +47,8 @@ alloc_resource(void)
return alloc_bootmem(sizeof(struct resource));
}
asmlinkage long
sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn)
SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus,
unsigned long, dfn)
{
struct pci_controller *hose;
@ -84,9 +85,8 @@ sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn)
return -EOPNOTSUPP;
}
asmlinkage long
sys_pciconfig_read(unsigned long bus, unsigned long dfn,
unsigned long off, unsigned long len, void *buf)
SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn,
unsigned long, off, unsigned long, len, void __user *, buf)
{
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@ -94,9 +94,8 @@ sys_pciconfig_read(unsigned long bus, unsigned long dfn,
return -ENODEV;
}
asmlinkage long
sys_pciconfig_write(unsigned long bus, unsigned long dfn,
unsigned long off, unsigned long len, void *buf)
SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn,
unsigned long, off, unsigned long, len, void __user *, buf)
{
if (!capable(CAP_SYS_ADMIN))
return -EPERM;

5
arch/alpha/kernel/pci.c
View File

@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/cache.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <asm/machvec.h>
#include "proto.h"
@ -409,8 +410,8 @@ alloc_resource(void)
/* Provide information on locations of various I/O regions in physical
memory. Do this on a per-card basis so that we choose the right hose. */
asmlinkage long
sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn)
SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus,
unsigned long, dfn)
{
struct pci_controller *hose;
struct pci_dev *dev;