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envelope-from=william.roche@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 1/8/25 22:51, David Hildenbrand wrote: > On 14.12.24 14:45, “William Roche wrote: >> From: David Hildenbrand >> >> Let's register a RAM block notifier and react on remap notifications. >> Simply re-apply the settings. Exit if something goes wrong. >> >> Note: qemu_ram_remap() will not remap when RAM_PREALLOC is set. Could be >> that hostmem is still missing to update that flag ... > > I think we can drop this comment, I was probably confused when writing > that :) Note deleted from the commit message > >> >> Signed-off-by: David Hildenbrand >> Signed-off-by: William Roche >> --- >>   backends/hostmem.c       | 34 ++++++++++++++++++++++++++++++++++ >>   include/sysemu/hostmem.h |  1 + >>   2 files changed, 35 insertions(+) >> >> diff --git a/backends/hostmem.c b/backends/hostmem.c >> index bf85d716e5..863f6da11d 100644 >> --- a/backends/hostmem.c >> +++ b/backends/hostmem.c >> @@ -361,11 +361,37 @@ static void >> host_memory_backend_set_prealloc_threads(Object *obj, Visitor *v, >>       backend->prealloc_threads = value; >>   } >> +static void host_memory_backend_ram_remapped(RAMBlockNotifier *n, >> void *host, >> +                                             size_t offset, size_t size) >> +{ >> +    HostMemoryBackend *backend = container_of(n, HostMemoryBackend, >> +                                              ram_notifier); >> +    Error *err = NULL; >> + >> +    if (!host_memory_backend_mr_inited(backend) || >> +        memory_region_get_ram_ptr(&backend->mr) != host) { >> +        return; >> +    } > > I think this should work, yes. Good :) I'm just leaving this unchanged.