Merge tag 'kvmarm-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 5.17, take #2

- A couple of fixes when handling an exception while a SError has been
  delivered

- Workaround for Cortex-A510's single-step[ erratum

1 files changed, 22 insertions, 7 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
index 593912b17609..7abef88801fb 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
@@ -769,21 +769,22 @@ static bool i40e_asq_done(struct i40e_hw *hw)
 }
 
 /**
- *  i40e_asq_send_command - send command to Admin Queue
+ *  i40e_asq_send_command_atomic - send command to Admin Queue
  *  @hw: pointer to the hw struct
  *  @desc: prefilled descriptor describing the command (non DMA mem)
  *  @buff: buffer to use for indirect commands
  *  @buff_size: size of buffer for indirect commands
  *  @cmd_details: pointer to command details structure
+ *  @is_atomic_context: is the function called in an atomic context?
  *
  *  This is the main send command driver routine for the Admin Queue send
  *  queue.  It runs the queue, cleans the queue, etc
  **/
-i40e_status i40e_asq_send_command(struct i40e_hw *hw,
-				struct i40e_aq_desc *desc,
-				void *buff, /* can be NULL */
-				u16  buff_size,
-				struct i40e_asq_cmd_details *cmd_details)
+i40e_status
+i40e_asq_send_command_atomic(struct i40e_hw *hw, struct i40e_aq_desc *desc,
+			     void *buff, /* can be NULL */ u16  buff_size,
+			     struct i40e_asq_cmd_details *cmd_details,
+			     bool is_atomic_context)
 {
 	i40e_status status = 0;
 	struct i40e_dma_mem *dma_buff = NULL;
@@ -910,7 +911,12 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw,
 			 */
 			if (i40e_asq_done(hw))
 				break;
-			udelay(50);
+
+			if (is_atomic_context)
+				udelay(50);
+			else
+				usleep_range(40, 60);
+
 			total_delay += 50;
 		} while (total_delay < hw->aq.asq_cmd_timeout);
 	}
@@ -967,6 +973,15 @@ asq_send_command_error:
 	return status;
 }
 
+i40e_status
+i40e_asq_send_command(struct i40e_hw *hw, struct i40e_aq_desc *desc,
+		      void *buff, /* can be NULL */ u16  buff_size,
+		      struct i40e_asq_cmd_details *cmd_details)
+{
+	return i40e_asq_send_command_atomic(hw, desc, buff, buff_size,
+					    cmd_details, false);
+}
+
 /**
  *  i40e_fill_default_direct_cmd_desc - AQ descriptor helper function
  *  @desc:     pointer to the temp descriptor (non DMA mem)