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| author | Jeff Dike <jdike@addtoit.com> | 2007-10-16 01:27:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:08 -0700 |
| commit | 532d0fa4d104ca3e37dd38bc5073376fcc3c2712 (patch) | |
| tree | a2ece8d09bc22a616abd743c170b2a727c1d077e /arch | |
| parent | 088bec4141ceb663eecdd961292d110db891db73 (diff) | |
| download | linux-532d0fa4d104ca3e37dd38bc5073376fcc3c2712.tar.gz linux-532d0fa4d104ca3e37dd38bc5073376fcc3c2712.tar.bz2 linux-532d0fa4d104ca3e37dd38bc5073376fcc3c2712.zip | |
uml: eliminate hz()
Eliminate hz() since its only purpose was to provide a kernel-space constant
to userspace code. This can be done instead by providing the constant
directly through kernel_constants.h.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/include/common-offsets.h | 2 | ||||
| -rw-r--r-- | arch/um/include/kern_util.h | 1 | ||||
| -rw-r--r-- | arch/um/kernel/time.c | 5 | ||||
| -rw-r--r-- | arch/um/os-Linux/skas/process.c | 5 | ||||
| -rw-r--r-- | arch/um/os-Linux/time.c | 7 |
5 files changed, 8 insertions, 12 deletions
diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h index 439b91f141a5..54694693f400 100644 --- a/arch/um/include/common-offsets.h +++ b/arch/um/include/common-offsets.h @@ -32,3 +32,5 @@ DEFINE(UM_GFP_ATOMIC, GFP_ATOMIC); DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); DEFINE(UM_THREAD_SIZE, THREAD_SIZE); + +DEFINE(UM_HZ, HZ); diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h index 7e7e84e4bc53..74ce8e5370a6 100644 --- a/arch/um/include/kern_util.h +++ b/arch/um/include/kern_util.h @@ -64,7 +64,6 @@ extern void paging_init(void); extern void init_flush_vm(void); extern void *syscall_sp(void *t); extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); -extern int hz(void); extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs); extern void interrupt_end(void); extern void initial_thread_cb(void (*proc)(void *), void *arg); diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 4fc8c2586b70..633b673d5778 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -11,11 +11,6 @@ #include "kern_util.h" #include "os.h" -int hz(void) -{ - return HZ; -} - /* * Scheduler clock - returns current time in nanosec units. */ diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 47efe9087eee..5462469f4ebf 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -392,8 +392,9 @@ int copy_context_skas0(unsigned long new_stack, int pid) *data = ((struct stub_data) { .offset = MMAP_OFFSET(new_offset), .fd = new_fd, .timer = ((struct itimerval) - { { 0, 1000000 / hz() }, - { 0, 1000000 / hz() }})}); + { { 0, 1000000 / UM_HZ }, + { 0, 1000000 / UM_HZ }}) + }); err = ptrace_setregs(pid, thread_regs); if (err < 0) panic("copy_context_skas0 : PTRACE_SETREGS failed, " diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c index f22fcdfd4250..5939653f99ea 100644 --- a/arch/um/os-Linux/time.c +++ b/arch/um/os-Linux/time.c @@ -8,14 +8,13 @@ #include <signal.h> #include <time.h> #include <sys/time.h> -#include "kern_util.h" #include "kern_constants.h" #include "os.h" #include "user.h" int set_interval(int is_virtual) { - int usec = 1000000/hz(); + int usec = 1000000/UM_HZ; int timer_type = is_virtual ? ITIMER_VIRTUAL : ITIMER_REAL; struct itimerval interval = ((struct itimerval) { { 0, usec }, { 0, usec } }); @@ -43,8 +42,8 @@ void disable_timer(void) void switch_timers(int to_real) { struct itimerval disable = ((struct itimerval) { { 0, 0 }, { 0, 0 }}); - struct itimerval enable = ((struct itimerval) { { 0, 1000000/hz() }, - { 0, 1000000/hz() }}); + struct itimerval enable = ((struct itimerval) { { 0, 1000000/UM_HZ }, + { 0, 1000000/UM_HZ }}); int old, new; if (to_real) { |