search for: memory_region_get_ram_ptr

...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 a single page. */ > addr = section.offset_within_region; > balloon_page(memory_region_get_ram_ptr(section.mr) + addr, > !!(vq == s->dvq)); >...

...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 a single page. */ > addr = section.offset_within_region; > balloon_page(memory_region_get_ram_ptr(section.mr) + addr, > !!(vq == s->dvq)); >...

..._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 a single page. */ addr = section.offset_within_region; balloon_page(memory_region_get_ram_ptr(section.mr) + addr, !!(vq == s->dvq)); memory_region_unref(...

> 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

...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 a single page. */ > > addr = section.offset_within_region; > > balloon_page(memory_region_get_ram_ptr(section.mr) + addr, > > !!(vq == s-&gt...

...; > static void balloon_deflate_page(VirtIOBalloon *balloon, > - MemoryRegion *mr, hwaddr mr_offset) > + MemoryRegion *mr, hwaddr mr_offset, > + size_t size) > { > void *addr = memory_region_get_ram_ptr(mr) + mr_offset; > ram_addr_t rb_offset; > @@ -153,10 +154,11 @@ static void balloon_deflate_page(VirtIOBalloon *balloon, > rb_page_size = qemu_ram_pagesize(rb); > > host_addr = (void *)((uintptr_t)addr & ~(rb_page_size - 1)); > + size &= ~(rb_page_size...