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* Asynchronous dump-guest-memory from Peter

Browse source 
* improved logging with -D -daemonize from Dimitris
 * more address_space_* optimization from Gonglei
 * TCG xsave/xrstor thinko fix
 * chardev bugfix and documentation patch
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Asynchronous dump-guest-memory from Peter
* improved logging with -D -daemonize from Dimitris
* more address_space_* optimization from Gonglei
* TCG xsave/xrstor thinko fix
* chardev bugfix and documentation patch

# gpg: Signature made Thu 25 Feb 2016 15:12:27 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream:
  target-i386: fix confusion in xcr0 bit position vs. mask
  chardev: Properly initialize ChardevCommon components
  memory: Remove unreachable return statement
  memory: optimize qemu_get_ram_ptr and qemu_ram_ptr_length
  exec: store RAMBlock pointer into memory region
  log: Redirect stderr to logfile if deamonized
  dump-guest-memory: add qmp event DUMP_COMPLETED
  Dump: add hmp command "info dump"
  Dump: add qmp command "query-dump"
  DumpState: adding total_size and written_size fields
  dump-guest-memory: add "detach" support
  dump-guest-memory: disable dump when in INMIGRATE state
  dump-guest-memory: introduce dump_process() helper function.
  dump-guest-memory: add dump_in_progress() helper function
  dump-guest-memory: using static DumpState, add DumpStatus
  dump-guest-memory: add "detach" flag for QMP/HMP interfaces.
  dump-guest-memory: cleanup: removing dump_{error|cleanup}().
  scripts/kvm/kvm_stat: Fix missing right parantheses and ".format(...)"
  qemu-options.hx: Improve documentation of chardev multiplexing mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2016-02-25 15:30:57 +00:00
commit 586fc27e6a
31 changed files with 563 additions and 164 deletions
Download patch file Download diff file Expand all files Collapse all files

8
include/exec/memory.h
View file

@ -31,6 +31,7 @@
#include "qemu/notify.h"
#include "qom/object.h"
#include "qemu/rcu.h"
#include "qemu/typedefs.h"
#define MAX_PHYS_ADDR_SPACE_BITS 62
#define MAX_PHYS_ADDR (((hwaddr)1 << MAX_PHYS_ADDR_SPACE_BITS) - 1)
@ -169,6 +170,7 @@ struct MemoryRegion {
bool global_locking;
uint8_t dirty_log_mask;
ram_addr_t ram_addr;
RAMBlock *ram_block;
Object *owner;
const MemoryRegionIOMMUOps *iommu_ops;
@ -1386,7 +1388,7 @@ MemTxResult address_space_read_continue(AddressSpace *as, hwaddr addr,
MemoryRegion *mr);
MemTxResult address_space_read_full(AddressSpace *as, hwaddr addr,
MemTxAttrs attrs, uint8_t *buf, int len);
void *qemu_get_ram_ptr(ram_addr_t addr);
void *qemu_get_ram_ptr(RAMBlock *ram_block, ram_addr_t addr);
static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
{
@ -1395,8 +1397,6 @@ static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
} else {
return memory_region_is_ram(mr) || memory_region_is_romd(mr);
}
return false;
}
/**
@ -1427,7 +1427,7 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr, MemTxAttrs attrs,
mr = address_space_translate(as, addr, &addr1, &l, false);
if (len == l && memory_access_is_direct(mr, false)) {
addr1 += memory_region_get_ram_addr(mr);
ptr = qemu_get_ram_ptr(addr1);
ptr = qemu_get_ram_ptr(mr->ram_block, addr1);
memcpy(buf, ptr, len);
} else {
result = address_space_read_continue(as, addr, attrs, buf, len,