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Merge "haven: msgq: Initialize the cap-id with U64_MAX"

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This commit is contained in:
qctecmdr 2020-03-30 07:21:10 -07:00 • committed by Gerrit - the friendly Code Review server
commit c592caba4a
2 changed files with 7 additions and 2 deletions
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6
drivers/virt/haven/hh_msgq.c
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@ -141,7 +141,7 @@ int hh_msgq_recv(void *msgq_client_desc,
goto err;
}
if (!cap_table_entry->rx_cap_id) {
if (cap_table_entry->rx_cap_id == HH_CAPID_INVAL) {
pr_err("%s: Recv info for label %d not yet initialized\n",
__func__, client_desc->label);
ret = -EAGAIN;
@ -263,7 +263,7 @@ int hh_msgq_send(void *msgq_client_desc,
goto err;
}
if (!cap_table_entry->tx_cap_id) {
if (cap_table_entry->tx_cap_id == HH_CAPID_INVAL) {
pr_err("%s: Send info for label %d not yet initialized\n",
__func__, client_desc->label);
ret = -EAGAIN;
@ -482,6 +482,8 @@ static int __init hh_msgq_init(void)
for (i = 0; i < HH_MSGQ_LABEL_MAX; i++) {
cap_table_entry = &hh_msgq_cap_table[i];
cap_table_entry->tx_cap_id = HH_CAPID_INVAL;
cap_table_entry->rx_cap_id = HH_CAPID_INVAL;
cap_table_entry->tx_full = false;
cap_table_entry->rx_empty = true;
init_waitqueue_head(&cap_table_entry->tx_wq);

3
include/linux/haven/hh_common.h
View file

@ -16,6 +16,9 @@ typedef u32 hh_memparcel_handle_t;
typedef u64 hh_capid_t;
typedef u64 hh_dbl_flags_t;
/* Common Haven macros */
#define HH_CAPID_INVAL U64_MAX
enum hh_vm_names {
HH_PRIMARY_VM,
HH_TRUSTED_VM,