diff options
| -rw-r--r-- | hw/s390x/s390-stattrib-kvm.c | 3 | ||||
| -rw-r--r-- | hw/s390x/s390-stattrib.c | 5 |
2 files changed, 5 insertions, 3 deletions
diff --git a/hw/s390x/s390-stattrib-kvm.c b/hw/s390x/s390-stattrib-kvm.c index 480551c3db..c7e1f35524 100644 --- a/hw/s390x/s390-stattrib-kvm.c +++ b/hw/s390x/s390-stattrib-kvm.c @@ -105,7 +105,8 @@ static void kvm_s390_stattrib_synchronize(S390StAttribState *sa) KVMS390StAttribState *sas = KVM_S390_STATTRIB(sa); MachineState *machine = MACHINE(qdev_get_machine()); unsigned long max = machine->maxram_size / TARGET_PAGE_SIZE; - unsigned long cx, len = 1 << 19; + /* We do not need to reach the maximum buffer size allowed */ + unsigned long cx, len = KVM_S390_SKEYS_MAX / 2; int r; struct kvm_s390_cmma_log clog = { .flags = 0, diff --git a/hw/s390x/s390-stattrib.c b/hw/s390x/s390-stattrib.c index 5161a1659b..766f2015a4 100644 --- a/hw/s390x/s390-stattrib.c +++ b/hw/s390x/s390-stattrib.c @@ -21,7 +21,8 @@ #include "qapi/error.h" #include "qapi/qmp/qdict.h" -#define CMMA_BLOCK_SIZE (1 * KiB) +/* 512KiB cover 2GB of guest memory */ +#define CMMA_BLOCK_SIZE (512 * KiB) #define STATTR_FLAG_EOS 0x01ULL #define STATTR_FLAG_MORE 0x02ULL @@ -203,7 +204,7 @@ static int cmma_save(QEMUFile *f, void *opaque, int final) S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas); uint8_t *buf; int r, cx, reallen = 0, ret = 0; - uint32_t buflen = 1 << 19; /* 512kB cover 2GB of guest memory */ + uint32_t buflen = CMMA_BLOCK_SIZE; uint64_t start_gfn = sas->migration_cur_gfn; buf = g_try_malloc(buflen); |