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replay: replay blockers for devices

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Some devices are not supported by record/replay subsystem.
This patch introduces replay blocker which denies starting record/replay
if such devices are included into the configuration.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20150917162512.8676.11367.stgit@PASHA-ISP.def.inno>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
This commit is contained in:
Pavel Dovgalyuk 2015-09-17 19:25:13 +03:00 • committed by Paolo Bonzini
parent 7615936ebf
commit 0194749ac4
5 changed files with 35 additions and 0 deletions
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10
vl.c
View file

@ -123,6 +123,7 @@ int main(int argc, char **argv)
#include "exec/semihost.h"
#include "crypto/init.h"
#include "sysemu/replay.h"
#include "qapi/qmp/qerror.h"
#define MAX_VIRTIO_CONSOLES 1
#define MAX_SCLP_CONSOLES 1
@ -847,7 +848,11 @@ static void configure_rtc(QemuOpts *opts)
if (!strcmp(value, "utc")) {
rtc_utc = 1;
} else if (!strcmp(value, "localtime")) {
Error *blocker = NULL;
rtc_utc = 0;
error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
"-rtc base=localtime");
replay_add_blocker(blocker);
} else {
configure_rtc_date_offset(value, 0);
}
@ -1256,6 +1261,11 @@ static void smp_parse(QemuOpts *opts)
exit(1);
}
if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
Error *blocker = NULL;
error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
replay_add_blocker(blocker);
}
}
static void realtime_init(void)