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Commit 90695ee0 authored by James Smart's avatar James Smart Committed by James Bottomley
Browse files

[SCSI] lpfc 8.3.34: Fix number of IO channels to match CPUs 



Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 8aa134a8

drivers/scsi/lpfc/lpfc_init.c

+14 −0
Original line number Diff line number Diff line
@@ -6542,6 +6542,9 @@ static int 
lpfc_sli4_queue_verify(struct lpfc_hba *phba)

{

	int cfg_fcp_io_channel;

	uint32_t cpu;

	uint32_t i = 0;





	/*

	 * Sanity check for configured queue parameters against the run-time
@@ -6551,6 +6554,17 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba) 
	/* Sanity check on HBA EQ parameters */

	cfg_fcp_io_channel = phba->cfg_fcp_io_channel;



	/* It doesn't make sense to have more io channels then CPUs */

	for_each_online_cpu(cpu) {

		i++;

	}

	if (i < cfg_fcp_io_channel) {

		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,

				"3188 Reducing IO channels to match number of "

				"CPUs: from %d to %d\n", cfg_fcp_io_channel, i);

		cfg_fcp_io_channel = i;

	}



	if (cfg_fcp_io_channel >

	    phba->sli4_hba.max_cfg_param.max_eq) {

		cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;