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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 13:24:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 13:24:03 -0700
commit483e3cd6a34ad2d7e41100bc1b98614ac42a4567 (patch)
treeef544ccdd1e95991c32fd8b656714583b7398371 /arch
parent774a694f8cd08115d130a290d73c6d8563f26b1b (diff)
parentd28daf923ac5e4a0d7cecebae56f3e339189366b (diff)
Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (105 commits) ring-buffer: only enable ring_buffer_swap_cpu when needed ring-buffer: check for swapped buffers in start of committing tracing: report error in trace if we fail to swap latency buffer tracing: add trace_array_printk for internal tracers to use tracing: pass around ring buffer instead of tracer tracing: make tracing_reset safe for external use tracing: use timestamp to determine start of latency traces tracing: Remove mentioning of legacy latency_trace file from documentation tracing/filters: Defer pred allocation, fix memory leak tracing: remove users of tracing_reset tracing: disable buffers and synchronize_sched before resetting tracing: disable update max tracer while reading trace tracing: print out start and stop in latency traces ring-buffer: disable all cpu buffers when one finds a problem ring-buffer: do not count discarded events ring-buffer: remove ring_buffer_event_discard ring-buffer: fix ring_buffer_read crossing pages ring-buffer: remove unnecessary cpu_relax ring-buffer: do not swap buffers during a commit ring-buffer: do not reset while in a commit ...
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/defconfig2
-rw-r--r--arch/s390/include/asm/thread_info.h4
-rw-r--r--arch/s390/kernel/entry.S2
-rw-r--r--arch/s390/kernel/entry64.S2
-rw-r--r--arch/s390/kernel/ftrace.c36
-rw-r--r--arch/s390/kernel/ptrace.c11
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/configs/i386_defconfig2
-rw-r--r--arch/x86/configs/x86_64_defconfig2
-rw-r--r--arch/x86/include/asm/ftrace.h7
-rw-r--r--arch/x86/include/asm/thread_info.h13
-rw-r--r--arch/x86/include/asm/unistd_32.h2
-rw-r--r--arch/x86/include/asm/unistd_64.h6
-rw-r--r--arch/x86/kernel/asm-offsets_64.c1
-rw-r--r--arch/x86/kernel/ftrace.c51
-rw-r--r--arch/x86/kernel/ptrace.c13
-rw-r--r--arch/x86/kernel/sys_x86_64.c8
18 files changed, 103 insertions, 63 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index e030e86ff6a3..1c866efd217d 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -84,7 +84,7 @@ config S390
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_FTRACE_MCOUNT_RECORD
- select HAVE_FTRACE_SYSCALLS
+ select HAVE_SYSCALL_TRACEPOINTS
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_DEFAULT_NO_SPIN_MUTEXES
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index fcba206529f3..4e91a2573cc4 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -900,7 +900,7 @@ CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
-CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index ba1cab9fc1f9..07eb61b2fb3a 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -92,7 +92,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_SYSCALL_TRACE 8 /* syscall trace active */
#define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */
#define TIF_SECCOMP 10 /* secure computing */
-#define TIF_SYSCALL_FTRACE 11 /* ftrace syscall instrumentation */
+#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling
TIF_NEED_RESCHED */
@@ -111,7 +111,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
-#define _TIF_SYSCALL_FTRACE (1<<TIF_SYSCALL_FTRACE)
+#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_USEDFPU (1<<TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_31BIT (1<<TIF_31BIT)
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index f78580a74039..f43d2ee54464 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -54,7 +54,7 @@ _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
_TIF_MCCK_PENDING)
_TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | \
- _TIF_SECCOMP>>8 | _TIF_SYSCALL_FTRACE>>8)
+ _TIF_SECCOMP>>8 | _TIF_SYSCALL_TRACEPOINT>>8)
STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
STACK_SIZE = 1 << STACK_SHIFT
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 009ca6175db9..a6f7b20df616 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -57,7 +57,7 @@ _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
_TIF_MCCK_PENDING)
_TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | \
- _TIF_SECCOMP>>8 | _TIF_SYSCALL_FTRACE>>8)
+ _TIF_SECCOMP>>8 | _TIF_SYSCALL_TRACEPOINT>>8)
#define BASED(name) name-system_call(%r13)
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 3e298e64f0db..57bdcb1e3cdf 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -220,6 +220,29 @@ struct syscall_metadata *syscall_nr_to_meta(int nr)
return syscalls_metadata[nr];
}
+int syscall_name_to_nr(char *name)
+{
+ int i;
+
+ if (!syscalls_metadata)
+ return -1;
+ for (i = 0; i < NR_syscalls; i++)
+ if (syscalls_metadata[i])
+ if (!strcmp(syscalls_metadata[i]->name, name))
+ return i;
+ return -1;
+}
+
+void set_syscall_enter_id(int num, int id)
+{
+ syscalls_metadata[num]->enter_id = id;
+}
+
+void set_syscall_exit_id(int num, int id)
+{
+ syscalls_metadata[num]->exit_id = id;
+}
+
static struct syscall_metadata *find_syscall_meta(unsigned long syscall)
{
struct syscall_metadata *start;
@@ -237,24 +260,19 @@ static struct syscall_metadata *find_syscall_meta(unsigned long syscall)
return NULL;
}
-void arch_init_ftrace_syscalls(void)
+static int __init arch_init_ftrace_syscalls(void)
{
struct syscall_metadata *meta;
int i;
- static atomic_t refs;
-
- if (atomic_inc_return(&refs) != 1)
- goto out;
syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) * NR_syscalls,
GFP_KERNEL);
if (!syscalls_metadata)
- goto out;
+ return -ENOMEM;
for (i = 0; i < NR_syscalls; i++) {
meta = find_syscall_meta((unsigned long)sys_call_table[i]);
syscalls_metadata[i] = meta;
}
- return;
-out:
- atomic_dec(&refs);
+ return 0;
}
+arch_initcall(arch_init_ftrace_syscalls);
#endif
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 43acd73105b7..f3ddd7ac06c5 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -51,6 +51,9 @@
#include "compat_ptrace.h"
#endif
+#define CREATE_TRACE_POINTS
+#include <trace/events/syscalls.h>
+
enum s390_regset {
REGSET_GENERAL,
REGSET_FP,
@@ -661,8 +664,8 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
ret = -1;
}
- if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
- ftrace_syscall_enter(regs);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_enter(regs, regs->gprs[2]);
if (unlikely(current->audit_context))
audit_syscall_entry(is_compat_task() ?
@@ -679,8 +682,8 @@ asmlinkage void do_syscall_trace_exit(struct pt_regs *regs)
audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]),
regs->gprs[2]);
- if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
- ftrace_syscall_exit(regs);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_exit(regs, regs->gprs[2]);
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, 0);
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1d9c18aa17eb..fc20fdc0f7f2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -38,7 +38,7 @@ config X86
select HAVE_FUNCTION_GRAPH_FP_TEST
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
- select HAVE_FTRACE_SYSCALLS
+ select HAVE_SYSCALL_TRACEPOINTS
select HAVE_KVM
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index edb992ebef92..d28fad19654a 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -2355,7 +2355,7 @@ CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_HW_BRANCH_TRACER=y
-CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_RING_BUFFER=y
CONFIG_TRACING=y
CONFIG_TRACING_SUPPORT=y
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index cee1dd2e69b2..6c86acd847a4 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -2329,7 +2329,7 @@ CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_HW_BRANCH_TRACER=y
-CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_RING_BUFFER=y
CONFIG_TRACING=y
CONFIG_TRACING_SUPPORT=y
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index bd2c6511c887..db24c2278be0 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -28,13 +28,6 @@
#endif
-/* FIXME: I don't want to stay hardcoded */
-#ifdef CONFIG_X86_64
-# define FTRACE_SYSCALL_MAX 296
-#else
-# define FTRACE_SYSCALL_MAX 333
-#endif
-
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_ADDR ((long)(mcount))
#define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index fad7d40b75f8..6f7786aea4fc 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -95,7 +95,7 @@ struct thread_info {
#define TIF_DEBUGCTLMSR 25 /* uses thread_struct.debugctlmsr */
#define TIF_DS_AREA_MSR 26 /* uses thread_struct.ds_area_msr */
#define TIF_LAZY_MMU_UPDATES 27 /* task is updating the mmu lazily */
-#define TIF_SYSCALL_FTRACE 28 /* for ftrace syscall instrumentation */
+#define TIF_SYSCALL_TRACEPOINT 28 /* syscall tracepoint instrumentation */
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
@@ -118,17 +118,17 @@ struct thread_info {
#define _TIF_DEBUGCTLMSR (1 << TIF_DEBUGCTLMSR)
#define _TIF_DS_AREA_MSR (1 << TIF_DS_AREA_MSR)
#define _TIF_LAZY_MMU_UPDATES (1 << TIF_LAZY_MMU_UPDATES)
-#define _TIF_SYSCALL_FTRACE (1 << TIF_SYSCALL_FTRACE)
+#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
/* work to do in syscall_trace_enter() */
#define _TIF_WORK_SYSCALL_ENTRY \
- (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_FTRACE | \
- _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | _TIF_SINGLESTEP)
+ (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT | \
+ _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT)
/* work to do in syscall_trace_leave() */
#define _TIF_WORK_SYSCALL_EXIT \
(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP | \
- _TIF_SYSCALL_FTRACE)
+ _TIF_SYSCALL_TRACEPOINT)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK \
@@ -137,7 +137,8 @@ struct thread_info {
_TIF_SINGLESTEP|_TIF_SECCOMP|_TIF_SYSCALL_EMU))
/* work to do on any return to user space */
-#define _TIF_ALLWORK_MASK ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_FTRACE)
+#define _TIF_ALLWORK_MASK \
+ ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT)
/* Only used for 64 bit */
#define _TIF_DO_NOTIFY_MASK \
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 732a30706153..8deaada61bc8 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -345,6 +345,8 @@
#ifdef __KERNEL__
+#define NR_syscalls 337
+
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 900e1617e672..b9f3c60de5f7 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -688,6 +688,12 @@ __SYSCALL(__NR_perf_counter_open, sys_perf_counter_open)
#endif /* __NO_STUBS */
#ifdef __KERNEL__
+
+#ifndef COMPILE_OFFSETS
+#include <asm/asm-offsets.h>
+#define NR_syscalls (__NR_syscall_max + 1)
+#endif
+
/*
* "Conditional" syscalls
*
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 898ecc47e129..4a6aeedcd965 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -3,6 +3,7 @@
* This code generates raw asm output which is post-processed to extract
* and format the required data.
*/
+#define COMPILE_OFFSETS
#include <linux/crypto.h>
#include <linux/sched.h>
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index d94e1ea3b9fe..9dbb527e1652 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -417,10 +417,6 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
unsigned long return_hooker = (unsigned long)
&return_to_handler;
- /* Nmi's are currently unsupported */
- if (unlikely(in_nmi()))
- return;
-
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return;
@@ -498,37 +494,56 @@ static struct syscall_metadata *find_syscall_meta(unsigned long *syscall)
struct syscall_metadata *syscall_nr_to_meta(int nr)
{
- if (!syscalls_metadata || nr >= FTRACE_SYSCALL_MAX || nr < 0)
+ if (!syscalls_metadata || nr >= NR_syscalls || nr < 0)
return NULL;
return syscalls_metadata[nr];
}
-void arch_init_ftrace_syscalls(void)
+int syscall_name_to_nr(char *name)
+{
+ int i;
+
+ if (!syscalls_metadata)
+ return -1;
+
+ for (i = 0; i < NR_syscalls; i++) {
+ if (syscalls_metadata[i]) {
+ if (!strcmp(syscalls_metadata[i]->name, name))
+ return i;
+ }
+ }
+ return -1;
+}
+
+void set_syscall_enter_id(int num, int id)
+{
+ syscalls_metadata[num]->enter_id = id;
+}
+
+void set_syscall_exit_id(int num, int id)
+{
+ syscalls_metadata[num]->exit_id = id;
+}
+
+static int __init arch_init_ftrace_syscalls(void)
{
int i;
struct syscall_metadata *meta;
unsigned long **psys_syscall_table = &sys_call_table;
- static atomic_t refs;
-
- if (atomic_inc_return(&refs) != 1)
- goto end;
syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) *
- FTRACE_SYSCALL_MAX, GFP_KERNEL);
+ NR_syscalls, GFP_KERNEL);
if (!syscalls_metadata) {
WARN_ON(1);
- return;
+ return -ENOMEM;
}
- for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
+ for (i = 0; i < NR_syscalls; i++) {
meta = find_syscall_meta(psys_syscall_table[i]);
syscalls_metadata[i] = meta;
}
- return;
-
- /* Paranoid: avoid overflow */
-end:
- atomic_dec(&refs);
+ return 0;
}
+arch_initcall(arch_init_ftrace_syscalls);
#endif
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 09ecbde91c13..8d7d5c9c1be3 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -35,10 +35,11 @@
#include <asm/proto.h>
#include <asm/ds.h>
-#include <trace/syscall.h>
-
#include "tls.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/syscalls.h>
+
enum x86_regset {
REGSET_GENERAL,
REGSET_FP,
@@ -1497,8 +1498,8 @@ asmregparm long syscall_trace_enter(struct pt_regs *regs)
tracehook_report_syscall_entry(regs))
ret = -1L;
- if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
- ftrace_syscall_enter(regs);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_enter(regs, regs->orig_ax);
if (unlikely(current->audit_context)) {
if (IS_IA32)
@@ -1523,8 +1524,8 @@ asmregparm void syscall_trace_leave(struct pt_regs *regs)
if (unlikely(current->audit_context))
audit_syscall_exit(AUDITSC_RESULT(regs->ax), regs->ax);
- if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
- ftrace_syscall_exit(regs);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_exit(regs, regs->ax);
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, 0);
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index 6bc211accf08..45e00eb09c3a 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -18,9 +18,9 @@
#include <asm/ia32.h>
#include <asm/syscalls.h>
-asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long off)
+SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
+ unsigned long, prot, unsigned long, flags,
+ unsigned long, fd, unsigned long, off)
{
long error;
struct file *file;
@@ -226,7 +226,7 @@ bottomup:
}
-asmlinkage long sys_uname(struct new_utsname __user *name)
+SYSCALL_DEFINE1(uname, struct new_utsname __user *, name)
{
int err;
down_read(&uts_sem);