Re: [PATCH v2] scsi: hisi_sas: fix tags freeing for the reserverd tags

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Hi martin,

I notice that this patch is not merged till now, which affect the boot of this driver.
Could you consider to merge it as soon as possible?

Thanks,
Xiang Chen

在 2022/12/15 12:09, Jason Yan 写道:
John put the reserverd tags in lower region of tagset in commit f7d190a94e35
("scsi: hisi_sas: Put reserved tags in lower region of tagset"). However
he only change the allocate function and forgot to change the tags free
function. This made my board failed to boot.

[   33.467345] hisi_sas_v3_hw 0000:b4:02.0: task exec: failed[-132]!
[   33.473413] sas: Executing internal abort failed 5000000000000603 (-132)
[   33.480088] hisi_sas_v3_hw 0000:b4:02.0: I_T nexus reset: internal abort (-132)
[   33.657336] hisi_sas_v3_hw 0000:b4:02.0: task exec: failed[-132]!
[   33.663403] ata7.00: failed to IDENTIFY (I/O error, err_mask=0x40)
[   35.787344] hisi_sas_v3_hw 0000:b4:04.0: task exec: failed[-132]!
[   35.793411] sas: Executing internal abort failed 5000000000000703 (-132)
[   35.800084] hisi_sas_v3_hw 0000:b4:04.0: I_T nexus reset: internal abort (-132)
[   35.977335] hisi_sas_v3_hw 0000:b4:04.0: task exec: failed[-132]!
[   35.983403] ata10.00: failed to IDENTIFY (I/O error, err_mask=0x40)
[   35.989643] ata10.00: revalidation failed (errno=-5)

Fixes: f7d190a94e35 ("scsi: hisi_sas: Put reserved tags in lower region of tagset")
Cc: John Garry <john.g.garry@xxxxxxxxxx>
Cc: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>
---

  v1->v2: replace HISI_SAS_UNRESERVED_IPTT with HISI_SAS_RESERVED_IPTT

  drivers/scsi/hisi_sas/hisi_sas_main.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 41ba22f6c7f0..e9c2d306ed87 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -162,7 +162,7 @@ static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx)
  static void hisi_sas_slot_index_free(struct hisi_hba *hisi_hba, int slot_idx)
  {
  	if (hisi_hba->hw->slot_index_alloc ||
-	    slot_idx >= HISI_SAS_UNRESERVED_IPTT) {
+	    slot_idx < HISI_SAS_RESERVED_IPTT) {
  		spin_lock(&hisi_hba->lock);
  		hisi_sas_slot_index_clear(hisi_hba, slot_idx);
  		spin_unlock(&hisi_hba->lock);




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