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Migration pull for 9.2-rc2 

- Fabiano's patch to remove double vmstate cleanup in postcopy
 - Peter's patch to whitelist pipes in fd migration URIs
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Merge tag 'migration-20241125-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull for 9.2-rc2

- Fabiano's patch to remove double vmstate cleanup in postcopy
- Peter's patch to whitelist pipes in fd migration URIs

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* tag 'migration-20241125-pull-request' of https://gitlab.com/peterx/qemu:
  migration: Fix extra cleanup at postcopy listen
  migration: Allow pipes to keep working for fd migrations

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2024-11-26 14:06:31 +00:00
parent b8ee011e40 59c390d95b
commit 1af7cba50c
2 changed files with 25 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
migration/fd.c
View File

@ -25,6 +25,29 @@
#include "io/channel-util.h"
#include "trace.h"
static bool fd_is_pipe(int fd)
{
struct stat statbuf;
if (fstat(fd, &statbuf) == -1) {
return false;
}
return S_ISFIFO(statbuf.st_mode);
}
static bool migration_fd_valid(int fd)
{
if (fd_is_socket(fd)) {
return true;
}
if (fd_is_pipe(fd)) {
return true;
}
return false;
}
void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **errp)
{
@ -34,7 +57,7 @@ void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **
return;
}
if (!fd_is_socket(fd)) {
if (!migration_fd_valid(fd)) {
warn_report("fd: migration to a file is deprecated."
" Use file: instead.");
}
@ -68,7 +91,7 @@ void fd_start_incoming_migration(const char *fdname, Error **errp)
return;
}
if (!fd_is_socket(fd)) {
if (!migration_fd_valid(fd)) {
warn_report("fd: migration to a file is deprecated."
" Use file: instead.");
}

1
migration/savevm.c
View File

@ -2057,7 +2057,6 @@ static void *postcopy_ram_listen_thread(void *opaque)
* got a bad migration state).
*/
migration_incoming_state_destroy();
qemu_loadvm_state_cleanup();
rcu_unregister_thread();
mis->have_listen_thread = false;