diff options
Diffstat (limited to 'hw/hyperv/syndbg.c')
| -rw-r--r-- | hw/hyperv/syndbg.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/hw/hyperv/syndbg.c b/hw/hyperv/syndbg.c index ca291826a0..8b8a14750d 100644 --- a/hw/hyperv/syndbg.c +++ b/hw/hyperv/syndbg.c @@ -10,11 +10,11 @@ #include "qemu/error-report.h" #include "qemu/main-loop.h" #include "qemu/sockets.h" +#include "qemu/units.h" #include "qapi/error.h" #include "migration/vmstate.h" #include "hw/qdev-properties.h" #include "hw/loader.h" -#include "cpu.h" #include "exec/target_page.h" #include "hw/hyperv/hyperv.h" #include "hw/hyperv/vmbus-bridge.h" @@ -184,12 +184,15 @@ static bool create_udp_pkt(HvSynDbg *syndbg, void *pkt, uint32_t pkt_len, return true; } +#define MSG_BUFSZ (4 * KiB) + static uint16_t handle_recv_msg(HvSynDbg *syndbg, uint64_t outgpa, uint32_t count, bool is_raw, uint32_t options, uint64_t timeout, uint32_t *retrieved_count) { uint16_t ret; - uint8_t data_buf[TARGET_PAGE_SIZE - UDP_PKT_HEADER_SIZE]; + g_assert(MSG_BUFSZ >= qemu_target_page_size()); + uint8_t data_buf[MSG_BUFSZ]; hwaddr out_len; void *out_data; ssize_t recv_byte_count; @@ -202,7 +205,7 @@ static uint16_t handle_recv_msg(HvSynDbg *syndbg, uint64_t outgpa, recv_byte_count = 0; } else { recv_byte_count = recv(syndbg->socket, data_buf, - MIN(sizeof(data_buf), count), MSG_WAITALL); + MIN(MSG_BUFSZ, count), MSG_WAITALL); if (recv_byte_count == -1) { return HV_STATUS_INVALID_PARAMETER; } |