search for: memory_region_is_ram

...} + dev->mem_changed_start_addr = MIN(dev->mem_changed_start_addr, start_addr); + dev->mem_changed_end_addr = MAX(dev->mem_changed_end_addr, start_addr + size - 1); + dev->memory_changed = true; +} + +static bool vhost_section(MemoryRegionSection *section) +{ + return memory_region_is_ram(section->mr); +} + +static void vhost_begin(MemoryListener *listener) +{ + struct vhost_dev *dev = container_of(listener, struct vhost_dev, + memory_listener); + dev->mem_changed_end_addr = 0; + dev->mem_changed_start_addr = -1; +} +static...

...} + dev->mem_changed_start_addr = MIN(dev->mem_changed_start_addr, start_addr); + dev->mem_changed_end_addr = MAX(dev->mem_changed_end_addr, start_addr + size - 1); + dev->memory_changed = true; +} + +static bool vhost_section(MemoryRegionSection *section) +{ + return memory_region_is_ram(section->mr); +} + +static void vhost_begin(MemoryListener *listener) +{ + struct vhost_dev *dev = container_of(listener, struct vhost_dev, + memory_listener); + dev->mem_changed_end_addr = 0; + dev->mem_changed_start_addr = -1; +} +static...

...section = memory_region_find(get_system_memory(), pa, > - BALLOON_PAGE_SIZE); > - if (!section.mr) { > - trace_virtio_balloon_bad_addr(pa); > - continue; > - } > - if (!memory_region_is_ram(section.mr) || > - memory_region_is_rom(section.mr) || > - memory_region_is_romd(section.mr)) { > - trace_virtio_balloon_bad_addr(pa); > - memory_region_unref(section.mr); > - continue; > - } &gt...

...> pa = (ram_addr_t) p << VIRTIO_BALLOON_PFN_SHIFT; > offset += 4; > > /* FIXME: remove get_system_memory(), but how? */ > section = memory_region_find(get_system_memory(), pa, 1); > if (!int128_nz(section.size) || !memory_region_is_ram(section.mr)) > continue; > > > trace_virtio_balloon_handle_output(memory_region_name(section.mr), > pa); > /* Using memory_region_get_ram_ptr is bending the rules a bit, but > should be...

...> pa = (ram_addr_t) p << VIRTIO_BALLOON_PFN_SHIFT; > offset += 4; > > /* FIXME: remove get_system_memory(), but how? */ > section = memory_region_find(get_system_memory(), pa, 1); > if (!int128_nz(section.size) || !memory_region_is_ram(section.mr)) > continue; > > > trace_virtio_balloon_handle_output(memory_region_name(section.mr), > pa); > /* Using memory_region_get_ram_ptr is bending the rules a bit, but > should be...

...irtio_ldl_p(vdev, &pfn); pa = (ram_addr_t) p << VIRTIO_BALLOON_PFN_SHIFT; offset += 4; /* FIXME: remove get_system_memory(), but how? */ section = memory_region_find(get_system_memory(), pa, 1); if (!int128_nz(section.size) || !memory_region_is_ram(section.mr)) continue; trace_virtio_balloon_handle_output(memory_region_name(section.mr), pa); /* Using memory_region_get_ram_ptr is bending the rules a bit, but should be OK because we only want...

> Subject: Re: [Qemu-devel] [RFC qemu 0/4] A PV solution for live migration > optimization > > On Fri, Mar 04, 2016 at 09:08:44AM +0000, Li, Liang Z wrote: > > > On Fri, Mar 04, 2016 at 01:52:53AM +0000, Li, Liang Z wrote: > > > > > I wonder if it would be possible to avoid the kernel changes > > > > > by parsing /proc/self/pagemap - if that

> Subject: Re: [Qemu-devel] [RFC qemu 0/4] A PV solution for live migration > optimization > > On Fri, Mar 04, 2016 at 09:08:44AM +0000, Li, Liang Z wrote: > > > On Fri, Mar 04, 2016 at 01:52:53AM +0000, Li, Liang Z wrote: > > > > > I wonder if it would be possible to avoid the kernel changes > > > > > by parsing /proc/self/pagemap - if that

...m_addr_t) p << VIRTIO_BALLOON_PFN_SHIFT; > > offset += 4; > > > > /* FIXME: remove get_system_memory(), but how? */ > > section = memory_region_find(get_system_memory(), pa, 1); > > if (!int128_nz(section.size) || !memory_region_is_ram(section.mr)) > > continue; > > > > > > trace_virtio_balloon_handle_output(memory_region_name(section.mr), > > pa); > > /* Using memory_region_get_ram_ptr is bending the rules a bit, but...