Displaying 20 results from an estimated 29 matches for "vmi_timer_op".
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vmi_timer_ops
2007 Apr 18
1
[PATCH 9/10] Vmi timer update.patch
...pcspeaker.o
diff -r c02ab981c99c arch/i386/kernel/vmi.c
--- a/arch/i386/kernel/vmi.c Mon Apr 09 15:45:27 2007 -0700
+++ b/arch/i386/kernel/vmi.c Mon Apr 09 15:49:37 2007 -0700
@@ -73,6 +73,9 @@ static struct {
void (*set_lazy_mode)(int mode);
} vmi_ops;
+/* Cached VMI operations */
+struct vmi_timer_ops vmi_timer_ops;
+
/*
* VMI patching routines.
*/
@@ -231,18 +234,6 @@ static void vmi_nop(void)
{
}
-/* For NO_IDLE_HZ, we stop the clock when halting the kernel */
-static fastcall void vmi_safe_halt(void)
-{
- int idle = vmi_stop_hz_timer();
- vmi_ops.halt();
- if (idle) {
- local_irq_d...
2007 Apr 18
1
[PATCH 9/10] Vmi timer update.patch
...pcspeaker.o
diff -r c02ab981c99c arch/i386/kernel/vmi.c
--- a/arch/i386/kernel/vmi.c Mon Apr 09 15:45:27 2007 -0700
+++ b/arch/i386/kernel/vmi.c Mon Apr 09 15:49:37 2007 -0700
@@ -73,6 +73,9 @@ static struct {
void (*set_lazy_mode)(int mode);
} vmi_ops;
+/* Cached VMI operations */
+struct vmi_timer_ops vmi_timer_ops;
+
/*
* VMI patching routines.
*/
@@ -231,18 +234,6 @@ static void vmi_nop(void)
{
}
-/* For NO_IDLE_HZ, we stop the clock when halting the kernel */
-static fastcall void vmi_safe_halt(void)
-{
- int idle = vmi_stop_hz_timer();
- vmi_ops.halt();
- if (idle) {
- local_irq_d...
2007 Apr 18
0
[PATCH 6/6] VMI timer patches
...paravirt_ops.apic_write_atomic = vmi_get_function(VMI_CALL_APICWrite);
#endif
+
+ /*
+ * Check for VMI timer functionality by probing for a cycle frequency method
+ */
+ reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_GetCycleFrequency);
+ if (rel->type != VMI_RELOCATION_NONE) {
+ vmi_timer_ops.get_cycle_frequency = (void *)rel->eip;
+ vmi_timer_ops.get_cycle_counter =
+ vmi_get_function(VMI_CALL_GetCycleCounter);
+ vmi_timer_ops.get_wallclock =
+ vmi_get_function(VMI_CALL_GetWallclockTime);
+ vmi_timer_ops.wallclock_updated =
+ vmi_get_function(VMI_CALL_WallclockUpdated);
+...
2007 Apr 18
0
[PATCH 6/6] VMI timer patches
...paravirt_ops.apic_write_atomic = vmi_get_function(VMI_CALL_APICWrite);
#endif
+
+ /*
+ * Check for VMI timer functionality by probing for a cycle frequency method
+ */
+ reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_GetCycleFrequency);
+ if (rel->type != VMI_RELOCATION_NONE) {
+ vmi_timer_ops.get_cycle_frequency = (void *)rel->eip;
+ vmi_timer_ops.get_cycle_counter =
+ vmi_get_function(VMI_CALL_GetCycleCounter);
+ vmi_timer_ops.get_wallclock =
+ vmi_get_function(VMI_CALL_GetWallclockTime);
+ vmi_timer_ops.wallclock_updated =
+ vmi_get_function(VMI_CALL_WallclockUpdated);
+...
2007 Apr 18
0
[PATCH 5/5] Vmi timer.patch
...paravirt_ops.apic_write_atomic = vmi_get_function(VMI_CALL_APICWrite);
#endif
+
+ /*
+ * Check for VMI timer functionality by probing for a cycle frequency method
+ */
+ reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_GetCycleFrequency);
+ if (rel->type != VMI_RELOCATION_NONE) {
+ vmi_timer_ops.get_cycle_frequency = (void *)rel->eip;
+ vmi_timer_ops.get_cycle_counter =
+ vmi_get_function(VMI_CALL_GetCycleCounter);
+ vmi_timer_ops.get_wallclock =
+ vmi_get_function(VMI_CALL_GetWallclockTime);
+ vmi_timer_ops.wallclock_updated =
+ vmi_get_function(VMI_CALL_WallclockUpdated);
+...
2007 Apr 18
0
[PATCH 5/5] Vmi timer.patch
...paravirt_ops.apic_write_atomic = vmi_get_function(VMI_CALL_APICWrite);
#endif
+
+ /*
+ * Check for VMI timer functionality by probing for a cycle frequency method
+ */
+ reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_GetCycleFrequency);
+ if (rel->type != VMI_RELOCATION_NONE) {
+ vmi_timer_ops.get_cycle_frequency = (void *)rel->eip;
+ vmi_timer_ops.get_cycle_counter =
+ vmi_get_function(VMI_CALL_GetCycleCounter);
+ vmi_timer_ops.get_wallclock =
+ vmi_get_function(VMI_CALL_GetWallclockTime);
+ vmi_timer_ops.wallclock_updated =
+ vmi_get_function(VMI_CALL_WallclockUpdated);
+...
2010 Aug 23
1
Removing VMI kernel support from 2.6.37
...dices for timer functions
- */
-#define VMI_CALL_GetCycleFrequency 66
-#define VMI_CALL_GetCycleCounter 67
-#define VMI_CALL_SetAlarm 68
-#define VMI_CALL_CancelAlarm 69
-#define VMI_CALL_GetWallclockTime 70
-#define VMI_CALL_WallclockUpdated 71
-
-/* Cached VMI timer operations */
-extern struct vmi_timer_ops {
- u64 (*get_cycle_frequency)(void);
- u64 (*get_cycle_counter)(int);
- u64 (*get_wallclock)(void);
- int (*wallclock_updated)(void);
- void (*set_alarm)(u32 flags, u64 expiry, u64 period);
- void (*cancel_alarm)(u32 flags);
-} vmi_timer_ops;
-
-/* Prototypes */
-extern void __init vmi_time_init(...
2010 Aug 23
1
Removing VMI kernel support from 2.6.37
...dices for timer functions
- */
-#define VMI_CALL_GetCycleFrequency 66
-#define VMI_CALL_GetCycleCounter 67
-#define VMI_CALL_SetAlarm 68
-#define VMI_CALL_CancelAlarm 69
-#define VMI_CALL_GetWallclockTime 70
-#define VMI_CALL_WallclockUpdated 71
-
-/* Cached VMI timer operations */
-extern struct vmi_timer_ops {
- u64 (*get_cycle_frequency)(void);
- u64 (*get_cycle_counter)(int);
- u64 (*get_wallclock)(void);
- int (*wallclock_updated)(void);
- void (*set_alarm)(u32 flags, u64 expiry, u64 period);
- void (*cancel_alarm)(u32 flags);
-} vmi_timer_ops;
-
-/* Prototypes */
-extern void __init vmi_time_init(...
2007 Apr 18
0
[PATCH 1/9] Vmi timer fixes round two.patch
..._cycles - real_cycles_accounted_system;
while (cycles_not_accounted >= cycles_per_jiffy) {
- /* systems wide jiffies and wallclock. */
+ /* systems wide jiffies. */
do_timer(1);
cycles_not_accounted -= cycles_per_jiffy;
real_cycles_accounted_system += cycles_per_jiffy;
}
-
- if (vmi_timer_ops.wallclock_updated())
- update_xtime_from_wallclock();
write_sequnlock(&xtime_lock);
}
@@ -380,7 +377,6 @@ int vmi_stop_hz_timer(void)
unsigned long seq, next;
unsigned long long real_cycles_expiry;
int cpu = smp_processor_id();
- int idle;
BUG_ON(!irqs_disabled());
if (sysctl...
2007 Apr 18
0
[PATCH 1/9] Vmi timer fixes round two.patch
..._cycles - real_cycles_accounted_system;
while (cycles_not_accounted >= cycles_per_jiffy) {
- /* systems wide jiffies and wallclock. */
+ /* systems wide jiffies. */
do_timer(1);
cycles_not_accounted -= cycles_per_jiffy;
real_cycles_accounted_system += cycles_per_jiffy;
}
-
- if (vmi_timer_ops.wallclock_updated())
- update_xtime_from_wallclock();
write_sequnlock(&xtime_lock);
}
@@ -380,7 +377,6 @@ int vmi_stop_hz_timer(void)
unsigned long seq, next;
unsigned long long real_cycles_expiry;
int cpu = smp_processor_id();
- int idle;
BUG_ON(!irqs_disabled());
if (sysctl...
2007 Apr 18
31
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
Hi Andi,
This is a set of updates for the firstfloor patch queue.
Quick rundown:
revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch
separate-module-percpu-space.patch
Update the module percpu accounting patch
fix-ff-allow-percpu-variables-to-be-page-aligned.patch
Make sure the percpu memory allocation is page-aligned
2007 Apr 18
31
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
Hi Andi,
This is a set of updates for the firstfloor patch queue.
Quick rundown:
revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch
separate-module-percpu-space.patch
Update the module percpu accounting patch
fix-ff-allow-percpu-variables-to-be-page-aligned.patch
Make sure the percpu memory allocation is page-aligned
2007 Apr 18
0
[PATCH 8/9] Vmi apic ops.diff
...endif
/*
* Check for VMI timer functionality by probing for a cycle frequency method
*/
reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_GetCycleFrequency);
- if (rel->type != VMI_RELOCATION_NONE) {
+ if (!disable_vmi_timer && rel->type != VMI_RELOCATION_NONE) {
vmi_timer_ops.get_cycle_frequency = (void *)rel->eip;
vmi_timer_ops.get_cycle_counter =
vmi_get_function(VMI_CALL_GetCycleCounter);
@@ -891,13 +901,19 @@ static inline int __init activate_vmi(vo
#endif
paravirt_ops.get_scheduled_cycles = vmi_get_sched_cycles;
paravirt_ops.get_cpu_khz = vmi_cpu...
2007 Apr 18
0
[PATCH 8/9] Vmi apic ops.diff
...endif
/*
* Check for VMI timer functionality by probing for a cycle frequency method
*/
reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_GetCycleFrequency);
- if (rel->type != VMI_RELOCATION_NONE) {
+ if (!disable_vmi_timer && rel->type != VMI_RELOCATION_NONE) {
vmi_timer_ops.get_cycle_frequency = (void *)rel->eip;
vmi_timer_ops.get_cycle_counter =
vmi_get_function(VMI_CALL_GetCycleCounter);
@@ -891,13 +901,19 @@ static inline int __init activate_vmi(vo
#endif
paravirt_ops.get_scheduled_cycles = vmi_get_sched_cycles;
paravirt_ops.get_cpu_khz = vmi_cpu...
2007 Apr 18
0
[PATCH 7/9] Fix nohz compile.patch
...get_wallclock_ts(&xtime);
- set_normalized_timespec(&wall_to_monotonic,
- -xtime.tv_sec, -xtime.tv_nsec);
-
real_cycles_accounted_system = read_real_cycles();
- update_xtime_from_wallclock();
per_cpu(process_times_cycles_accounted_cpu, 0) = read_available_cycles();
cycles_per_sec = vmi_timer_ops.get_cycle_frequency();
-
cycles_per_jiffy = cycles_per_sec;
(void)do_div(cycles_per_jiffy, HZ);
cycles_per_alarm = cycles_per_sec;
2007 Apr 18
0
[PATCH 7/9] Fix nohz compile.patch
...get_wallclock_ts(&xtime);
- set_normalized_timespec(&wall_to_monotonic,
- -xtime.tv_sec, -xtime.tv_nsec);
-
real_cycles_accounted_system = read_real_cycles();
- update_xtime_from_wallclock();
per_cpu(process_times_cycles_accounted_cpu, 0) = read_available_cycles();
cycles_per_sec = vmi_timer_ops.get_cycle_frequency();
-
cycles_per_jiffy = cycles_per_sec;
(void)do_div(cycles_per_jiffy, HZ);
cycles_per_alarm = cycles_per_sec;
2007 Apr 18
0
[PATCH 3/9] Vmi cpu cycles.patch
...-- a/arch/i386/kernel/vmitime.c Tue Feb 27 14:04:43 2007 -0800
+++ b/arch/i386/kernel/vmitime.c Tue Feb 27 14:06:46 2007 -0800
@@ -177,6 +177,15 @@ unsigned long long vmi_get_sched_cycles(
return read_available_cycles();
}
+unsigned long vmi_cpu_khz(void)
+{
+ unsigned long long khz;
+
+ khz = vmi_timer_ops.get_cycle_frequency();
+ (void)do_div(khz, 1000);
+ return khz;
+}
+
void __init vmi_time_init(void)
{
unsigned long long cycles_per_sec, cycles_per_msec;
@@ -206,7 +215,6 @@ void __init vmi_time_init(void)
(void)do_div(cycles_per_alarm, alarm_hz);
cycles_per_msec = cycles_per_sec;
(void...
2007 Apr 18
0
[PATCH 3/9] Vmi cpu cycles.patch
...-- a/arch/i386/kernel/vmitime.c Tue Feb 27 14:04:43 2007 -0800
+++ b/arch/i386/kernel/vmitime.c Tue Feb 27 14:06:46 2007 -0800
@@ -177,6 +177,15 @@ unsigned long long vmi_get_sched_cycles(
return read_available_cycles();
}
+unsigned long vmi_cpu_khz(void)
+{
+ unsigned long long khz;
+
+ khz = vmi_timer_ops.get_cycle_frequency();
+ (void)do_div(khz, 1000);
+ return khz;
+}
+
void __init vmi_time_init(void)
{
unsigned long long cycles_per_sec, cycles_per_msec;
@@ -206,7 +215,6 @@ void __init vmi_time_init(void)
(void)do_div(cycles_per_alarm, alarm_hz);
cycles_per_msec = cycles_per_sec;
(void...
2007 Jul 24
1
lguest doesn't work on kernel 2.6.23-rc1
Hi, all, I have difficulty on setting up lguest. Basic OS info:
gcc 4.1.2
glibc: 2.5.1
binutils: 2.17
kernel: 2.6.23-rc1
Following lguest.txt instruction, I build lguest enaled kernel,
disable CONFIG_COMPAT_VDSO, the host kernel boot fine, but when
booting Qemu image using lguest laucher program, the guest kernel
vmlinux panic, attached console.txt is console output, and config.txt
is kernel
2007 Jul 24
1
lguest doesn't work on kernel 2.6.23-rc1
Hi, all, I have difficulty on setting up lguest. Basic OS info:
gcc 4.1.2
glibc: 2.5.1
binutils: 2.17
kernel: 2.6.23-rc1
Following lguest.txt instruction, I build lguest enaled kernel,
disable CONFIG_COMPAT_VDSO, the host kernel boot fine, but when
booting Qemu image using lguest laucher program, the guest kernel
vmlinux panic, attached console.txt is console output, and config.txt
is kernel