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-rw-r--r--block/qapi.c26
-rw-r--r--hw/intc/apic.c20
-rw-r--r--qapi/block-core.json5
-rw-r--r--target-i386/cpu.c10
4 files changed, 21 insertions, 40 deletions
diff --git a/block/qapi.c b/block/qapi.c
index 1301144bbc..a87a34a8b4 100644
--- a/block/qapi.c
+++ b/block/qapi.c
@@ -29,13 +29,6 @@
#include "qapi/qmp-output-visitor.h"
#include "qapi/qmp/types.h"
#include "sysemu/block-backend.h"
-#ifdef __linux__
-#include <linux/fs.h>
-#include <sys/ioctl.h>
-#ifndef FS_NOCOW_FL
-#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
-#endif
-#endif
BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs)
{
@@ -180,9 +173,6 @@ void bdrv_query_image_info(BlockDriverState *bs,
int ret;
Error *err = NULL;
ImageInfo *info;
-#ifdef __linux__
- int fd, attr;
-#endif
size = bdrv_getlength(bs);
if (size < 0) {
@@ -212,18 +202,6 @@ void bdrv_query_image_info(BlockDriverState *bs,
info->format_specific = bdrv_get_specific_info(bs);
info->has_format_specific = info->format_specific != NULL;
-#ifdef __linux__
- /* get NOCOW info */
- fd = qemu_open(bs->filename, O_RDONLY | O_NONBLOCK);
- if (fd >= 0) {
- if (ioctl(fd, FS_IOC_GETFLAGS, &attr) == 0 && (attr & FS_NOCOW_FL)) {
- info->has_nocow = true;
- info->nocow = true;
- }
- qemu_close(fd);
- }
-#endif
-
backing_filename = bs->backing_file;
if (backing_filename[0] != '\0') {
info->backing_filename = g_strdup(backing_filename);
@@ -655,8 +633,4 @@ void bdrv_image_info_dump(fprintf_function func_fprintf, void *f,
func_fprintf(f, "Format specific information:\n");
bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific);
}
-
- if (info->has_nocow && info->nocow) {
- func_fprintf(f, "NOCOW flag: set\n");
- }
}
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index 03ff9e94f2..0f97b47925 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -188,7 +188,7 @@ void apic_deliver_pic_intr(DeviceState *dev, int level)
apic_reset_bit(s->irr, lvt & 0xff);
/* fall through */
case APIC_DM_EXTINT:
- cpu_reset_interrupt(CPU(s->cpu), CPU_INTERRUPT_HARD);
+ apic_update_irq(s);
break;
}
}
@@ -349,6 +349,11 @@ static int apic_get_arb_pri(APICCommonState *s)
static int apic_irq_pending(APICCommonState *s)
{
int irrv, ppr;
+
+ if (!(s->spurious_vec & APIC_SV_ENABLE)) {
+ return 0;
+ }
+
irrv = get_highest_priority_int(s->irr);
if (irrv < 0) {
return 0;
@@ -366,14 +371,13 @@ static void apic_update_irq(APICCommonState *s)
{
CPUState *cpu;
- if (!(s->spurious_vec & APIC_SV_ENABLE)) {
- return;
- }
cpu = CPU(s->cpu);
if (!qemu_cpu_is_self(cpu)) {
cpu_interrupt(cpu, CPU_INTERRUPT_POLL);
} else if (apic_irq_pending(s) > 0) {
cpu_interrupt(cpu, CPU_INTERRUPT_HARD);
+ } else if (!apic_accept_pic_intr(&s->busdev.qdev) || !pic_get_output(isa_pic)) {
+ cpu_reset_interrupt(cpu, CPU_INTERRUPT_HARD);
}
}
@@ -567,7 +571,10 @@ int apic_get_interrupt(DeviceState *dev)
apic_sync_vapic(s, SYNC_FROM_VAPIC);
intno = apic_irq_pending(s);
- if (intno == 0) {
+ /* if there is an interrupt from the 8259, let the caller handle
+ * that first since ExtINT interrupts ignore the priority.
+ */
+ if (intno == 0 || apic_check_pic(s)) {
apic_sync_vapic(s, SYNC_TO_VAPIC);
return -1;
} else if (intno < 0) {
@@ -578,9 +585,6 @@ int apic_get_interrupt(DeviceState *dev)
apic_set_bit(s->isr, intno);
apic_sync_vapic(s, SYNC_TO_VAPIC);
- /* re-inject if there is still a pending PIC interrupt */
- apic_check_pic(s);
-
apic_update_irq(s);
return intno;
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 8c3e45d4c3..a14e6ab1fd 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -119,8 +119,6 @@
# @format-specific: #optional structure supplying additional format-specific
# information (since 1.7)
#
-# @nocow: #optional info of whether NOCOW flag is set or not. (since 2.2)
-#
# Since: 1.3
#
##
@@ -132,8 +130,7 @@
'*backing-filename': 'str', '*full-backing-filename': 'str',
'*backing-filename-format': 'str', '*snapshots': ['SnapshotInfo'],
'*backing-image': 'ImageInfo',
- '*format-specific': 'ImageInfoSpecific',
- '*nocow': 'bool' } }
+ '*format-specific': 'ImageInfoSpecific' } }
##
# @ImageCheck:
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 3f13dfe5f5..e9df33e5c3 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2912,8 +2912,14 @@ static bool x86_cpu_has_work(CPUState *cs)
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
- return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
- CPU_INTERRUPT_POLL)) &&
+#if !defined(CONFIG_USER_ONLY)
+ if (cs->interrupt_request & CPU_INTERRUPT_POLL) {
+ apic_poll_irq(cpu->apic_state);
+ cpu_reset_interrupt(cs, CPU_INTERRUPT_POLL);
+ }
+#endif
+
+ return ((cs->interrupt_request & CPU_INTERRUPT_HARD) &&
(env->eflags & IF_MASK)) ||
(cs->interrupt_request & (CPU_INTERRUPT_NMI |
CPU_INTERRUPT_INIT |