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charset="utf-8" Signed-off-by: Juan Quintela --- migration/multifd-zlib.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/migration/multifd-zlib.c b/migration/multifd-zlib.c index e85ef8824d..da6201704c 100644 --- a/migration/multifd-zlib.c +++ b/migration/multifd-zlib.c @@ -13,6 +13,7 @@ #include "qemu/osdep.h" #include #include "qemu/rcu.h" +#include "exec/ramblock.h" #include "exec/target_page.h" #include "qapi/error.h" #include "migration.h" @@ -98,8 +99,8 @@ static void zlib_send_cleanup(MultiFDSendParams *p, Error= **errp) */ static int zlib_send_prepare(MultiFDSendParams *p, Error **errp) { - struct iovec *iov =3D p->pages->iov; struct zlib_data *z =3D p->data; + size_t page_size =3D qemu_target_page_size(); z_stream *zs =3D &z->zs; uint32_t out_size =3D 0; int ret; @@ -113,8 +114,8 @@ static int zlib_send_prepare(MultiFDSendParams *p, Erro= r **errp) flush =3D Z_SYNC_FLUSH; } =20 - zs->avail_in =3D iov[i].iov_len; - zs->next_in =3D iov[i].iov_base; + zs->avail_in =3D page_size; + zs->next_in =3D p->pages->block->host + p->pages->offset[i]; =20 zs->avail_out =3D available; zs->next_out =3D z->zbuff + out_size; @@ -235,6 +236,7 @@ static void zlib_recv_cleanup(MultiFDRecvParams *p) static int zlib_recv_pages(MultiFDRecvParams *p, Error **errp) { struct zlib_data *z =3D p->data; + size_t page_size =3D qemu_target_page_size(); z_stream *zs =3D &z->zs; uint32_t in_size =3D p->next_packet_size; /* we measure the change of total_out */ @@ -259,7 +261,6 @@ static int zlib_recv_pages(MultiFDRecvParams *p, Error = **errp) zs->next_in =3D z->zbuff; =20 for (i =3D 0; i < p->pages->num; i++) { - struct iovec *iov =3D &p->pages->iov[i]; int flush =3D Z_NO_FLUSH; unsigned long start =3D zs->total_out; =20 @@ -267,8 +268,8 @@ static int zlib_recv_pages(MultiFDRecvParams *p, Error = **errp) flush =3D Z_SYNC_FLUSH; } =20 - zs->avail_out =3D iov->iov_len; - zs->next_out =3D iov->iov_base; + zs->avail_out =3D page_size; + zs->next_out =3D p->pages->block->host + p->pages->offset[i]; =20 /* * Welcome to inflate semantics @@ -281,8 +282,8 @@ static int zlib_recv_pages(MultiFDRecvParams *p, Error = **errp) do { ret =3D inflate(zs, flush); } while (ret =3D=3D Z_OK && zs->avail_in - && (zs->total_out - start) < iov->iov_len); - if (ret =3D=3D Z_OK && (zs->total_out - start) < iov->iov_len) { + && (zs->total_out - start) < page_size); + if (ret =3D=3D Z_OK && (zs->total_out - start) < page_size) { error_setg(errp, "multifd %d: inflate generated too few output= ", p->id); return -1; --=20 2.33.1