Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* "info mtree" improvements (Alexey)
* fake VPD block limits for SCSI passthrough (Daniel Barboza)
* chardev and main loop fixes (Daniel Berrangé, Sergio, Stefan)
* help fixes (Eduardo)
* pc-dimm refactoring (David)
* tests improvements and fixes (Emilio, Thomas)
* SVM emulation fixes (Jan)
* MemoryRegionCache fix (Eric)
* WHPX improvements (Justin)
* ESP cleanup (Mark)
* -overcommit option (Michael)
* qemu-pr-helper fixes (me)
* "info pic" improvements for x86 (Peter)
* x86 TCG emulation fixes (Richard)
* KVM slot handling fix (Shannon)
* Next round of deprecation (Thomas)
* Windows dump format support (Viktor)

# gpg: Signature made Fri 29 Jun 2018 12:03:05 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (60 commits)
  tests/boot-serial: Do not delete the output file in case of errors
  hw/scsi: add VPD Block Limits emulation
  hw/scsi: centralize SG_IO calls into single function
  hw/scsi: cleanups before VPD BL emulation
  dump: add Windows live system dump
  dump: add fallback KDBG using in Windows dump
  dump: use system context in Windows dump
  dump: add Windows dump format to dump-guest-memory
  i386/cpu: make -cpu host support monitor/mwait
  kvm: support -overcommit cpu-pm=on|off
  hmp: obsolete "info ioapic"
  ioapic: support "info irq"
  ioapic: some proper indents when dump info
  ioapic: support "info pic"
  doc: another fix to "info pic"
  target-i386: Mark cpu_vmexit noreturn
  target-i386: Allow interrupt injection after STGI
  target-i386: Add NMI interception to SVM
  memory/hmp: Print owners/parents in "info mtree"
  WHPX: register for unrecognized MSR exits
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

4 files changed, 17 insertions, 32 deletions

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index ffee68e603..eb7db92a5e 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -256,7 +256,7 @@ int kvm_physical_memory_addr_from_host(KVMState *s, void *ram,
     return 0;
 }
 
-static int kvm_set_user_memory_region(KVMMemoryListener *kml, KVMSlot *slot)
+static int kvm_set_user_memory_region(KVMMemoryListener *kml, KVMSlot *slot, bool new)
 {
     KVMState *s = kvm_state;
     struct kvm_userspace_memory_region mem;
@@ -267,7 +267,7 @@ static int kvm_set_user_memory_region(KVMMemoryListener *kml, KVMSlot *slot)
     mem.userspace_addr = (unsigned long)slot->ram;
     mem.flags = slot->flags;
 
-    if (slot->memory_size && mem.flags & KVM_MEM_READONLY) {
+    if (slot->memory_size && !new && (mem.flags ^ slot->old_flags) & KVM_MEM_READONLY) {
         /* Set the slot size to 0 before setting the slot to the desired
          * value. This is needed based on KVM commit 75d61fbc. */
         mem.memory_size = 0;
@@ -275,6 +275,7 @@ static int kvm_set_user_memory_region(KVMMemoryListener *kml, KVMSlot *slot)
     }
     mem.memory_size = slot->memory_size;
     ret = kvm_vm_ioctl(s, KVM_SET_USER_MEMORY_REGION, &mem);
+    slot->old_flags = mem.flags;
     trace_kvm_set_user_memory(mem.slot, mem.flags, mem.guest_phys_addr,
                               mem.memory_size, mem.userspace_addr, ret);
     return ret;
@@ -391,17 +392,14 @@ static int kvm_mem_flags(MemoryRegion *mr)
 static int kvm_slot_update_flags(KVMMemoryListener *kml, KVMSlot *mem,
                                  MemoryRegion *mr)
 {
-    int old_flags;
-
-    old_flags = mem->flags;
     mem->flags = kvm_mem_flags(mr);
 
     /* If nothing changed effectively, no need to issue ioctl */
-    if (mem->flags == old_flags) {
+    if (mem->flags == mem->old_flags) {
         return 0;
     }
 
-    return kvm_set_user_memory_region(kml, mem);
+    return kvm_set_user_memory_region(kml, mem, false);
 }
 
 static int kvm_section_update_flags(KVMMemoryListener *kml,
@@ -755,7 +753,8 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml,
 
         /* unregister the slot */
         mem->memory_size = 0;
-        err = kvm_set_user_memory_region(kml, mem);
+        mem->flags = 0;
+        err = kvm_set_user_memory_region(kml, mem, false);
         if (err) {
             fprintf(stderr, "%s: error unregistering slot: %s\n",
                     __func__, strerror(-err));
@@ -771,7 +770,7 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml,
     mem->ram = ram;
     mem->flags = kvm_mem_flags(mr);
 
-    err = kvm_set_user_memory_region(kml, mem);
+    err = kvm_set_user_memory_region(kml, mem, true);
     if (err) {
         fprintf(stderr, "%s: error registering slot: %s\n", __func__,
                 strerror(-err));
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index ad997cba28..e8228bf3e6 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -46,7 +46,7 @@
 #endif
 #endif
 #else
-#include "exec/address-spaces.h"
+#include "exec/ram_addr.h"
 #endif
 
 #include "exec/cputlb.h"
@@ -1934,7 +1934,11 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
  *
  * Called with mmap_lock held for user-mode emulation.
  */
-void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
+#ifdef CONFIG_SOFTMMU
+void tb_invalidate_phys_range(ram_addr_t start, ram_addr_t end)
+#else
+void tb_invalidate_phys_range(target_ulong start, target_ulong end)
+#endif
 {
     struct page_collection *pages;
     tb_page_addr_t next;
@@ -2073,26 +2077,6 @@ static bool tb_invalidate_phys_page(tb_page_addr_t addr, uintptr_t pc)
 }
 #endif
 
-#if !defined(CONFIG_USER_ONLY)
-void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs)
-{
-    ram_addr_t ram_addr;
-    MemoryRegion *mr;
-    hwaddr l = 1;
-
-    rcu_read_lock();
-    mr = address_space_translate(as, addr, &addr, &l, false, attrs);
-    if (!(memory_region_is_ram(mr)
-          || memory_region_is_romd(mr))) {
-        rcu_read_unlock();
-        return;
-    }
-    ram_addr = memory_region_get_ram_addr(mr) + addr;
-    tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0);
-    rcu_read_unlock();
-}
-#endif /* !defined(CONFIG_USER_ONLY) */
-
 /* user-mode: call with mmap_lock held */
 void tb_check_watchpoint(CPUState *cpu)
 {
diff --git a/accel/tcg/translate-all.h b/accel/tcg/translate-all.h
index e6cb963d7e..08e2f23a46 100644
--- a/accel/tcg/translate-all.h
+++ b/accel/tcg/translate-all.h
@@ -30,7 +30,6 @@ void tb_invalidate_phys_page_fast(struct page_collection *pages,
                                   tb_page_addr_t start, int len);
 void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
                                    int is_cpu_write_access);
-void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end);
 void tb_check_watchpoint(CPUState *cpu);
 
 #ifdef CONFIG_USER_ONLY
diff --git a/accel/tcg/user-exec-stub.c b/accel/tcg/user-exec-stub.c
index dbcf1ade9c..a32b4496af 100644
--- a/accel/tcg/user-exec-stub.c
+++ b/accel/tcg/user-exec-stub.c
@@ -2,6 +2,9 @@
 #include "qemu-common.h"
 #include "qom/cpu.h"
 #include "sysemu/replay.h"
+#include "sysemu/sysemu.h"
+
+bool enable_cpu_pm = false;
 
 void cpu_resume(CPUState *cpu)
 {