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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 |