The patch titled
uml: eliminate hz()
has been added to the -mm tree. Its filename is
uml-eliminate-hz.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: uml: eliminate hz()
From: Jeff Dike <jdike@xxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/include/common-offsets.h | 2 ++
arch/um/include/kern_util.h | 1 -
arch/um/kernel/time.c | 5 -----
arch/um/os-Linux/skas/process.c | 5 +++--
arch/um/os-Linux/time.c | 7 +++----
5 files changed, 8 insertions(+), 12 deletions(-)
diff -puN arch/um/include/common-offsets.h~uml-eliminate-hz arch/um/include/common-offsets.h
--- a/arch/um/include/common-offsets.h~uml-eliminate-hz
+++ a/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 -puN arch/um/include/kern_util.h~uml-eliminate-hz arch/um/include/kern_util.h
--- a/arch/um/include/kern_util.h~uml-eliminate-hz
+++ a/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 -puN arch/um/kernel/time.c~uml-eliminate-hz arch/um/kernel/time.c
--- a/arch/um/kernel/time.c~uml-eliminate-hz
+++ a/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 -puN arch/um/os-Linux/skas/process.c~uml-eliminate-hz arch/um/os-Linux/skas/process.c
--- a/arch/um/os-Linux/skas/process.c~uml-eliminate-hz
+++ a/arch/um/os-Linux/skas/process.c
@@ -392,8 +392,9 @@ int copy_context_skas0(unsigned long new
*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 -puN arch/um/os-Linux/time.c~uml-eliminate-hz arch/um/os-Linux/time.c
--- a/arch/um/os-Linux/time.c~uml-eliminate-hz
+++ a/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) {
_
Patches currently in -mm which might be from jdike@xxxxxxxxxxx are
git-kvm.patch
hostfs-convert-to-new-aops.patch
uml-move-userspace-code-to-userspace-file.patch
uml-tidy-recently-moved-code.patch
uml-fix-error-cleanup-ordering.patch
uml-console-subsystem-tidying.patch
uml-fix-console-writing-bugs.patch
uml-console-tidying.patch
uml-stop-using-libc-asm-pageh.patch
uml-fix-an-ipv6-libc-vs-kernel-symbol-clash.patch
uml-fix-nonremovability-of-watchdog.patch
uml-stop-specially-protecting-kernel-stacks.patch
uml-stop-saving-process-fp-state.patch
uml-stop-saving-process-fp-state-fix.patch
uml-physmem-code-tidying.patch
uml-add-vde-networking-support.patch
uml-remove-unnecessary-hostfs_getattr.patch
uml-throw-out-config_mode_tt.patch
uml-remove-sysdep-threadh.patch
uml-style-fixes-pass-1.patch
uml-throw-out-choose_mode.patch
uml-style-fixes-pass-2.patch
uml-remove-code-made-redundant-by-choose_mode-removal.patch
uml-style-fixes-pass-3.patch
uml-remove-__u64-usage-from-physical-memory-subsystem.patch
uml-get-rid-of-do_longjmp.patch
uml-fold-mmu_context_skas-into-mm_context.patch
uml-rename-pt_regs-general-purpose-register-file.patch
uml-rename-pt_regs-general-purpose-register-file-fix.patch
uml-free-ldt-state-on-process-exit.patch
uml-remove-os_-usage-from-userspace-files.patch
uml-replace-clone-with-fork.patch
uml-fix-inlines.patch
uml-userspace-files-should-call-libc-directly.patch
uml-clean-up-tlb-flush-path.patch
uml-remove-unneeded-if-from-hostfs.patch
uml-fix-hostfs-style.patch
uml-dont-use-glibc-asm-userh.patch
uml-floating-point-signal-delivery-fixes.patch
uml-ptrace-floating-point-fixes.patch
uml-coredumping-floating-point-fixes.patch
uml-sysrq-and-mconsole-fixes.patch
uml-style-fixes-in-fp-code.patch
uml-eliminate-floating-point-state-from-register-file.patch
uml-remove-unused-file.patch
uml-more-idiomatic-parameter-parsing.patch
uml-eliminate-hz.patch
uml-fix-timer-switching.patch
uml-simplify-interval-setting.patch
uml-separate-timer-initialization.patch
uml-generic_time-support.patch
uml-generic_clockevents-support.patch
uml-clocksource-support.patch
uml-tickless-support.patch
uml-eliminate-interrupts-in-the-idle-loop.patch
uml-eliminate-sigalrm.patch
uml-use-sec_per_sec-constants.patch
bitops-introduce-lock-ops.patch
-
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