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bitkeeper revision 1.947 (40c84719Ozi8_o69nGYdNuJ6OQd4eQ)

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Cleanup domain stop/crash. Provide notification to DOM0 so that
cleanup/postmortem can occur before domain is killed.
This commit is contained in:
kaf24@scramble.cl.cam.ac.uk committed 2004-06-10 11:33:45 +00:00
1 parent 03907beb68
commit cce2235b0f
17 files changed
+190 -121
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extras/mini-os/h/hypervisor.h
+19 -5
View File
@@ -15,7 +15,7 @@
#include <hypervisor-ifs/network.h>
#include <hypervisor-ifs/block.h>
#include <hypervisor-ifs/hypervisor-if.h>
#include "../../../tools/xend/lib/domain_controller.h"
/*
* a placeholder for the start of day information passed up from the hypervisor
@@ -155,25 +155,39 @@ static __inline__ int HYPERVISOR_block(void)
return ret;
}
static __inline__ int HYPERVISOR_exit(void)
static inline int HYPERVISOR_shutdown(void)
{
int ret;
__asm__ __volatile__ (
TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_exit) : "memory" );
"b" (SCHEDOP_stop | (STOPCODE_shutdown << SCHEDOP_reasonshift))
: "memory" );
return ret;
}
static __inline__ int HYPERVISOR_stop(unsigned long srec)
static inline int HYPERVISOR_reboot(void)
{
int ret;
__asm__ __volatile__ (
TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_stop | (STOPCODE_reboot << SCHEDOP_reasonshift))
: "memory" );
return ret;
}
static inline int HYPERVISOR_suspend(unsigned long srec)
{
int ret;
/* NB. On suspend, control software expects a suspend record in %esi. */
__asm__ __volatile__ (
TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_stop), "S" (srec) : "memory" );
"b" (SCHEDOP_stop | (STOPCODE_suspend << SCHEDOP_reasonshift)),
"S" (srec) : "memory" );
return ret;
}
extras/mini-os/kernel.c
+1 -1
View File
@@ -153,7 +153,7 @@ void start_kernel(start_info_t *si)
void do_exit(void)
{
printk("do_exit called!\n");
for ( ;; ) HYPERVISOR_exit();
for ( ;; ) HYPERVISOR_shutdown();
}
static void exit_handler(int ev, struct pt_regs *regs) {
do_exit();
linux-2.4.26-xen-sparse/arch/xen/kernel/process.c
+9 -3
View File
@@ -120,17 +120,23 @@ void machine_restart(char * __unused)
/* We really want to get pending console data out before we die. */
extern void xencons_force_flush(void);
xencons_force_flush();
HYPERVISOR_exit();
HYPERVISOR_reboot();
}
void machine_halt(void)
{
machine_restart(NULL);
/* We really want to get pending console data out before we die. */
extern void xencons_force_flush(void);
xencons_force_flush();
HYPERVISOR_shutdown();
}
void machine_power_off(void)
{
machine_restart(NULL);
/* We really want to get pending console data out before we die. */
extern void xencons_force_flush(void);
xencons_force_flush();
HYPERVISOR_shutdown();
}
extern void show_trace(unsigned long* esp);
linux-2.4.26-xen-sparse/arch/xen/kernel/setup.c
+1 -1
View File
@@ -1205,7 +1205,7 @@ static void stop_task(void *unused)
memcpy(&suspend_record->resume_info, &start_info, sizeof(start_info));
HYPERVISOR_stop(virt_to_machine(suspend_record) >> PAGE_SHIFT);
HYPERVISOR_suspend(virt_to_machine(suspend_record) >> PAGE_SHIFT);
suspending = 0;
linux-2.4.26-xen-sparse/include/asm-xen/hypervisor.h
+18 -4
View File
@@ -253,25 +253,39 @@ static inline int HYPERVISOR_block(void)
return ret;
}
static inline int HYPERVISOR_exit(void)
static inline int HYPERVISOR_shutdown(void)
{
int ret;
__asm__ __volatile__ (
TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_exit) : "memory" );
"b" (SCHEDOP_stop | (STOPCODE_shutdown << SCHEDOP_reasonshift))
: "memory" );
return ret;
}
static inline int HYPERVISOR_stop(unsigned long srec)
static inline int HYPERVISOR_reboot(void)
{
int ret;
__asm__ __volatile__ (
TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_stop | (STOPCODE_reboot << SCHEDOP_reasonshift))
: "memory" );
return ret;
}
static inline int HYPERVISOR_suspend(unsigned long srec)
{
int ret;
/* NB. On suspend, control software expects a suspend record in %esi. */
__asm__ __volatile__ (
TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_stop), "S" (srec) : "memory" );
"b" (SCHEDOP_stop | (STOPCODE_suspend << SCHEDOP_reasonshift)),
"S" (srec) : "memory" );
return ret;
}
tools/xc/lib/xc_domain.c
+8 -3
View File
@@ -91,9 +91,14 @@ int xc_domain_getinfo(int xc_handle,
if ( do_dom0_op(xc_handle, &op) < 0 )
break;
info->domid = (u32)op.u.getdomaininfo.domain;
info->cpu = op.u.getdomaininfo.processor;
info->has_cpu = op.u.getdomaininfo.has_cpu;
info->stopped = (op.u.getdomaininfo.state == DOMSTATE_STOPPED);
info->cpu =
(op.u.getdomaininfo.flags>>DOMFLAGS_CPUSHIFT) & DOMFLAGS_CPUMASK;
info->has_cpu =
(op.u.getdomaininfo.flags&DOMFLAGS_STATEMASK) == DOMSTATE_RUNNING;
info->stopped =
(op.u.getdomaininfo.flags&DOMFLAGS_STATEMASK) == DOMSTATE_STOPPED;
info->nr_pages = op.u.getdomaininfo.tot_pages;
info->max_memkb = op.u.getdomaininfo.max_pages<<(PAGE_SHIFT-10);
info->shared_info_frame = op.u.getdomaininfo.shared_info_frame;
tools/xc/lib/xc_linux_build.c
+1 -1
View File
@@ -436,7 +436,7 @@ int xc_linux_build(int xc_handle,
PERROR("Could not get info on domain");
goto error_out;
}
if ( (op.u.getdomaininfo.state != DOMSTATE_STOPPED) ||
if ( ((op.u.getdomaininfo.flags&DOMFLAGS_STATEMASK) != DOMSTATE_STOPPED) ||
(ctxt->pt_base != 0) )
{
ERROR("Domain is already constructed");
tools/xc/lib/xc_netbsd_build.c
+1 -1
View File
@@ -258,7 +258,7 @@ int xc_netbsd_build(int xc_handle,
PERROR("Could not get info on domain");
goto error_out;
}
if ( (op.u.getdomaininfo.state != DOMSTATE_STOPPED) ||
if ( ((op.u.getdomaininfo.flags&DOMFLAGS_STATEMASK) != DOMSTATE_STOPPED) ||
(op.u.getdomaininfo.ctxt->pt_base != 0) )
{
ERROR("Domain is already constructed");
tools/xc/lib/xc_private.c
+2 -1
View File
@@ -229,7 +229,8 @@ int xc_domain_stop_sync( int xc_handle, domid_t domid,
goto out;
}
if ( op->u.getdomaininfo.state == DOMSTATE_STOPPED )
if ( (op->u.getdomaininfo.flags & DOMFLAGS_STATEMASK) ==
DOMSTATE_STOPPED )
{
printf("Domain %u stopped\n",domid);
return 0;
tools/xend/lib/domain_controller.h
+10
View File
@@ -28,6 +28,16 @@ typedef struct {
#define SIF_NET_BE_DOMAIN (1<<5) /* Is this a net backend domain? */
/*
* Stop codes for SCHEDOP_stop. These are opaque to Xen but interpreted by
* control software to determine appropriate action.
*/
#define STOPCODE_shutdown 0 /* Domain exited normally. Clean up and kill. */
#define STOPCODE_reboot 1 /* Clean up, kill, and then restart. */
#define STOPCODE_suspend 2 /* Clean up, save suspend info, kill. */
/*
* CONTROLLER MESSAGING INTERFACE.
*/
xen/arch/i386/entry.S
+19 -19
View File
@@ -446,34 +446,34 @@ FAULT12:movl %eax,8(%esi)
.section __ex_table,"a"
.align 4
.long FAULT1, kill_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT2, kill_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT3, kill_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT4, kill_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT5, kill_domain_fixup1 # Fault executing failsafe iret
.long FAULT6, kill_domain_fixup2 # Fault loading ring-1 stack selector
.long FAULT7, kill_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT8, kill_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT9, kill_domain_fixup2 # Fault loading ring-1 stack selector
.long FAULT10,kill_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT11,kill_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT12,kill_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT13,kill_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT14,kill_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT1, crash_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT2, crash_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT3, crash_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT4, crash_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT5, crash_domain_fixup1 # Fault executing failsafe iret
.long FAULT6, crash_domain_fixup2 # Fault loading ring-1 stack selector
.long FAULT7, crash_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT8, crash_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT9, crash_domain_fixup2 # Fault loading ring-1 stack selector
.long FAULT10,crash_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT11,crash_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT12,crash_domain_fixup2 # Fault writing to ring-1 stack
.long FAULT13,crash_domain_fixup3 # Fault writing to ring-1 stack
.long FAULT14,crash_domain_fixup3 # Fault writing to ring-1 stack
.previous
# This handler kills domains which experience unrecoverable faults.
.section .fixup,"ax"
kill_domain_fixup1:
crash_domain_fixup1:
subl $4,%esp
SAVE_ALL
jmp kill_domain
kill_domain_fixup2:
jmp crash_domain
crash_domain_fixup2:
addl $4,%esp
kill_domain_fixup3:
crash_domain_fixup3:
pushl %ss
popl %ds
jmp kill_domain
jmp crash_domain
.previous
ALIGN
xen/common/dom0_ops.c
+29 -20
View File
@@ -282,11 +282,12 @@ long do_dom0_op(dom0_op_t *u_dom0_op)
case DOM0_GETDOMAININFO:
{
struct task_struct *p;
u_long flags;
int i;
full_execution_context_t *c;
struct task_struct *p;
unsigned long flags;
int i;
read_lock_irqsave (&tasklist_lock, flags);
read_lock_irqsave(&tasklist_lock, flags);
for_each_domain ( p )
{
@@ -294,7 +295,7 @@ long do_dom0_op(dom0_op_t *u_dom0_op)
break;
}
if ( p == NULL )
if ( (p == NULL) || (p->state == TASK_DYING) )
{
ret = -ESRCH;
goto gdi_out;
@@ -302,12 +303,23 @@ long do_dom0_op(dom0_op_t *u_dom0_op)
else
{
op->u.getdomaininfo.domain = p->domain;
strcpy (op->u.getdomaininfo.name, p->name);
op->u.getdomaininfo.processor = p->processor;
op->u.getdomaininfo.has_cpu = p->has_cpu;
op->u.getdomaininfo.state = DOMSTATE_ACTIVE;
if ( (p->state == TASK_STOPPED) || (p->state == TASK_DYING) )
op->u.getdomaininfo.state = DOMSTATE_STOPPED;
strcpy(op->u.getdomaininfo.name, p->name);
if ( p->state == TASK_RUNNING )
op->u.getdomaininfo.flags =
p->has_cpu ? DOMSTATE_RUNNING : DOMSTATE_RUNNABLE;
else if ( (p->state == TASK_INTERRUPTIBLE) ||
(p->state == TASK_UNINTERRUPTIBLE) )
op->u.getdomaininfo.flags = DOMSTATE_BLOCKED;
else if ( p->state == TASK_PAUSED )
op->u.getdomaininfo.flags = DOMSTATE_PAUSED;
else if ( p->state == TASK_CRASHED )
op->u.getdomaininfo.flags = DOMSTATE_CRASHED;
else
op->u.getdomaininfo.flags = DOMSTATE_STOPPED;
op->u.getdomaininfo.flags |= p->processor << DOMFLAGS_CPUSHIFT;
op->u.getdomaininfo.flags |= p->stop_code << DOMFLAGS_GUESTSHIFT;
op->u.getdomaininfo.hyp_events = p->hyp_events;
op->u.getdomaininfo.tot_pages = p->tot_pages;
op->u.getdomaininfo.max_pages = p->max_pages;
@@ -315,13 +327,12 @@ long do_dom0_op(dom0_op_t *u_dom0_op)
op->u.getdomaininfo.shared_info_frame =
__pa(p->shared_info) >> PAGE_SHIFT;
if ( p->state == TASK_STOPPED && op->u.getdomaininfo.ctxt )
if ( (p->state == TASK_STOPPED) &&
(op->u.getdomaininfo.ctxt != NULL) )
{
full_execution_context_t *c=NULL;
if ( (c = kmalloc(sizeof(*c), GFP_KERNEL)) == NULL )
{
ret= -ENOMEM;
ret = -ENOMEM;
goto gdi_out;
}
@@ -373,12 +384,11 @@ long do_dom0_op(dom0_op_t *u_dom0_op)
c->failsafe_callback_eip =
p->failsafe_address;
if( copy_to_user(op->u.getdomaininfo.ctxt, c, sizeof(*c)) )
{
if ( copy_to_user(op->u.getdomaininfo.ctxt, c, sizeof(*c)) )
ret = -EINVAL;
}
if (c) kfree(c);
if ( c != NULL )
kfree(c);
}
}
@@ -387,7 +397,6 @@ long do_dom0_op(dom0_op_t *u_dom0_op)
gdi_out:
read_unlock_irqrestore(&tasklist_lock, flags);
}
break;
xen/common/domain.c
+24 -16
View File
@@ -170,13 +170,6 @@ struct task_struct *find_last_domain(void)
}
void kill_domain_with_errmsg(const char *err)
{
printk("DOM%u FATAL ERROR: %s\n", current->domain, err);
kill_domain();
}
void __kill_domain(struct task_struct *p)
{
int i;
@@ -245,7 +238,7 @@ long kill_other_domain(domid_t dom, int force)
if ( (p = find_domain_by_id(dom)) == NULL )
return -ESRCH;
if ( p->state == TASK_STOPPED )
if ( (p->state == TASK_STOPPED) || (p->state == TASK_CRASHED) )
__kill_domain(p);
else if ( force )
send_hyp_event(p, _HYP_EVENT_DIE);
@@ -256,8 +249,27 @@ long kill_other_domain(domid_t dom, int force)
return 0;
}
void stop_domain(void)
void crash_domain(void)
{
struct task_struct *p;
set_current_state(TASK_CRASHED);
p = find_domain_by_id(0);
send_guest_virq(p, VIRQ_DOM_EXC);
put_task_struct(p);
__enter_scheduler();
BUG();
}
void stop_domain(u8 reason)
{
struct task_struct *p;
current->stop_code = reason;
memcpy(&current->shared_info->execution_context,
get_execution_context(),
sizeof(execution_context_t));
@@ -265,13 +277,9 @@ void stop_domain(void)
wmb(); /* All CPUs must see saved info in state TASK_STOPPED. */
set_current_state(TASK_STOPPED);
/* OK, this is grim, but helps speed up live migrate. When a domain stops,
kick Dom0 */
{
struct task_struct *p;
guest_schedule_to_run( p = find_domain_by_id(0ULL) );
put_task_struct(p);
}
p = find_domain_by_id(0);
send_guest_virq(p, VIRQ_DOM_EXC);
put_task_struct(p);
__enter_scheduler();
}
xen/common/schedule.c
+5 -15
View File
@@ -244,7 +244,7 @@ long do_sched_op(unsigned long op)
{
long ret = 0;
switch( op )
switch ( op & SCHEDOP_cmdmask )
{
case SCHEDOP_yield:
@@ -259,19 +259,9 @@ long do_sched_op(unsigned long op)
break;
}
case SCHEDOP_exit:
{
DPRINTK("DOM%u killed itself!\n", current->domain);
DPRINTK(" EIP == %08lx\n", get_execution_context()->eip);
kill_domain();
break;
}
case SCHEDOP_stop:
{
DPRINTK("DOM%u stopped itself!\n", current->domain);
DPRINTK(" EIP == %08lx\n", get_execution_context()->eip);
stop_domain();
stop_domain((u8)(op >> SCHEDOP_reasonshift));
break;
}
@@ -284,9 +274,9 @@ long do_sched_op(unsigned long op)
/*
* sched_pause_sync - synchronously pause a domain's execution
* XXXX This is horibly broken -- here just as a place holder at present,
* do not use.
* sched_pause_sync - synchronously pause a domain's execution.
* XXXX This is horribly broken -- here just as a place holder at present,
* do not use.
*/
void sched_pause_sync(struct task_struct *p)
{
xen/include/hypervisor-ifs/dom0_ops.h
+28 -19
View File
@@ -19,7 +19,7 @@
* This makes sure that old versions of dom0 tools will stop working in a
* well-defined way (rather than crashing the machine, for instance).
*/
#define DOM0_INTERFACE_VERSION 0xAAAA000E
#define DOM0_INTERFACE_VERSION 0xAAAA000F
#define MAX_DOMAIN_NAME 16
@@ -84,24 +84,33 @@ typedef struct {
#define DOM0_GETDOMAININFO 12
typedef struct {
/* IN variables. */
domid_t domain; /* 0 */
u32 __pad;
full_execution_context_t *ctxt; /* 8 */
MEMORY_PADDING;
domid_t domain; /* 0 */ /* NB. IN/OUT variable. */
/* OUT variables. */
u8 name[MAX_DOMAIN_NAME]; /* 16 */
u32 processor; /* 32 */
u32 has_cpu; /* 36 */
#define DOMSTATE_ACTIVE 0
#define DOMSTATE_STOPPED 1
u32 state; /* 40 */
u32 hyp_events; /* 44 */
u32 tot_pages; /* 48 */
u32 max_pages; /* 52 */
u64 cpu_time; /* 56 */
memory_t shared_info_frame; /* 64: MFN of shared_info struct */
#define DOMSTATE_CRASHED 0 /* Crashed domain; frozen for postmortem. */
#define DOMSTATE_STOPPED 1 /* Domain voluntarily halted it execution. */
#define DOMSTATE_PAUSED 2 /* Currently paused (forced non-schedulable). */
#define DOMSTATE_BLOCKED 3 /* Currently blocked pending a wake-up event. */
#define DOMSTATE_RUNNABLE 4 /* Currently runnable. */
#define DOMSTATE_RUNNING 5 /* Currently running. */
#define DOMFLAGS_STATEMASK 7 /* One of the DOMSTATE_??? values. */
#define DOMFLAGS_STATESHIFT 0
#define DOMFLAGS_CPUMASK 255 /* CPU to which this domain is bound. */
#define DOMFLAGS_CPUSHIFT 3
#define DOMFLAGS_GUESTMASK 255 /* DOMSTATE_STOPPED -> Guest-supplied code. */
#define DOMFLAGS_GUESTSHIFT 11
u32 flags; /* 4 */
u8 name[MAX_DOMAIN_NAME]; /* 8 */
full_execution_context_t *ctxt; /* 24 */ /* NB. IN/OUT variable. */
MEMORY_PADDING;
} PACKED dom0_getdomaininfo_t; /* 72 bytes */
memory_t tot_pages; /* 32 */
MEMORY_PADDING;
memory_t max_pages; /* 40 */
MEMORY_PADDING;
memory_t shared_info_frame; /* 48: MFN of shared_info struct */
MEMORY_PADDING;
u64 cpu_time; /* 56 */
u32 hyp_events; /* 64 */
} PACKED dom0_getdomaininfo_t; /* 68 bytes */
#define DOM0_BUILDDOMAIN 13
typedef struct {
@@ -314,7 +323,7 @@ typedef struct {
u32 cmd; /* 0 */
u32 interface_version; /* 4 */ /* DOM0_INTERFACE_VERSION */
union { /* 8 */
u32 dummy[14]; /* 56 bytes */
u32 dummy[18]; /* 72 bytes */
dom0_createdomain_t createdomain;
dom0_startdomain_t startdomain;
dom0_stopdomain_t stopdomain;
@@ -341,6 +350,6 @@ typedef struct {
dom0_setdomainmaxmem_t setdomainmaxmem;
dom0_getpageframeinfo2_t getpageframeinfo2;
} PACKED u;
} PACKED dom0_op_t; /* 64 bytes */
} PACKED dom0_op_t; /* 80 bytes */
#endif /* __DOM0_OPS_H__ */
xen/include/hypervisor-ifs/hypervisor-if.h
+12 -10
View File
@@ -59,19 +59,20 @@
*
* Virtual interrupts that a guest OS may receive from the hypervisor.
*/
#define VIRQ_BLKDEV 0 /* A block device response has been queued. */
#define VIRQ_BLKDEV 0 /* (OBS) A block device response has been queued. */
#define VIRQ_TIMER 1 /* A timeout has been updated. */
#define VIRQ_DIE 2 /* OS is about to be killed. Clean up please! */
#define VIRQ_DIE 2 /* (OBS) OS is about to be killed. Clean up! */
#define VIRQ_DEBUG 3 /* Request guest to dump debug info (gross!) */
#define VIRQ_NET 4 /* There are packets for transmission. */
#define VIRQ_PS2 5 /* PS/2 keyboard or mouse event(s) */
#define VIRQ_STOP 6 /* Prepare for stopping and possible pickling */
#define VIRQ_NET 4 /* (OBS) There are packets for transmission. */
#define VIRQ_PS2 5 /* (OBS) PS/2 keyboard or mouse event(s) */
#define VIRQ_STOP 6 /* (OBS) Prepare for stopping and pickling */
#define VIRQ_EVTCHN 7 /* Event pending on an event channel */
#define VIRQ_VBD_UPD 8 /* Event to signal VBDs should be reprobed */
#define VIRQ_CONSOLE 9 /* This is only for domain-0 initial console. */
#define VIRQ_PHYSIRQ 10 /* Event to signal pending physical IRQs. */
#define VIRQ_VBD_UPD 8 /* (OBS) Event to signal VBDs should be reprobed */
#define VIRQ_CONSOLE 9 /* (DOM0) bytes received on master console. */
#define VIRQ_PHYSIRQ 10 /* Pending physical IRQs. */
#define VIRQ_MISDIRECT 11 /* Catch-all virtual interrupt. */
#define NR_VIRQS 12
#define VIRQ_DOM_EXC 12 /* (DOM0) Exceptional event for some domain. */
#define NR_VIRQS 13
/*
* MMU-UPDATE REQUESTS
@@ -169,8 +170,9 @@
*/
#define SCHEDOP_yield 0 /* Give up the CPU voluntarily. */
#define SCHEDOP_block 1 /* Block until an event is received. */
#define SCHEDOP_exit 3 /* Exit and kill this domain. */
#define SCHEDOP_stop 4 /* Stop executing this domain. */
#define SCHEDOP_cmdmask 255 /* 8-bit command. */
#define SCHEDOP_reasonshift 8 /* 8-bit stop code. (SCHEDOP_stop only) */
/*
* Commands to HYPERVISOR_console_io().
xen/include/xen/sched.h
+3 -2
View File
@@ -123,6 +123,7 @@ struct task_struct
struct list_head run_list;
int has_cpu;
int state; /* current run state */
int stop_code; /* stop code from OS (if TASK_STOPPED). */
int cpupinned; /* true if pinned to curent CPU */
s_time_t lastschd; /* time this domain was last scheduled */
s_time_t lastdeschd; /* time this domain was last descheduled */
@@ -207,6 +208,7 @@ struct task_struct
#define TASK_STOPPED 4
#define TASK_DYING 8
#define TASK_PAUSED 16
#define TASK_CRASHED 32
#include <asm/uaccess.h> /* for KERNEL_DS */
@@ -255,9 +257,8 @@ struct task_struct *find_last_domain(void);
extern void release_task(struct task_struct *);
extern void __kill_domain(struct task_struct *p);
extern void kill_domain(void);
extern void kill_domain_with_errmsg(const char *err);
extern long kill_other_domain(domid_t dom, int force);
extern void stop_domain(void);
extern void stop_domain(u8 reason);
extern long stop_other_domain(domid_t dom);
/* arch/process.c */
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