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Date: Wed, 31 May 2017 11:15:01 +0800
From: kbuild test robot <lkp@...el.com>
To: Jia-Ju Bai <baijiaju1990@....com>
Cc: kbuild-all@...org, QLogic-Storage-Upstream@...gic.com,
jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com,
linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
Jia-Ju Bai <baijiaju1990@....com>
Subject: Re: [PATCH] [PATCH] qla4xxx: Fix a sleep-in-atomic bug
Hi Jia-Ju,
[auto build test ERROR on scsi/for-next]
[also build test ERROR on v4.12-rc3 next-20170530]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Jia-Ju-Bai/qla4xxx-Fix-a-sleep-in-atomic-bug/20170531-104628
base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next
config: x86_64-randconfig-x006-201722 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
drivers/scsi/qla4xxx/ql4_nx.c: In function 'qla4_82xx_wr_32':
>> drivers/scsi/qla4xxx/ql4_nx.c:389:3: error: too many arguments to function 'qla4_82xx_crb_win_lock'
qla4_82xx_crb_win_lock(ha, flags);
^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/scsi/qla4xxx/ql4_nx.c:12:0:
drivers/scsi/qla4xxx/ql4_glbl.h:118:5: note: declared here
int qla4_82xx_crb_win_lock(struct scsi_qla_host *);
^~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qla4xxx/ql4_nx.c: In function 'qla4_82xx_rd_32':
drivers/scsi/qla4xxx/ql4_nx.c:413:3: error: too many arguments to function 'qla4_82xx_crb_win_lock'
qla4_82xx_crb_win_lock(ha, flags);
^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/scsi/qla4xxx/ql4_nx.c:12:0:
drivers/scsi/qla4xxx/ql4_glbl.h:118:5: note: declared here
int qla4_82xx_crb_win_lock(struct scsi_qla_host *);
^~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qla4xxx/ql4_nx.c: At top level:
>> drivers/scsi/qla4xxx/ql4_nx.c:479:5: error: conflicting types for 'qla4_82xx_crb_win_lock'
int qla4_82xx_crb_win_lock(struct scsi_qla_host *ha, unsigned long flags)
^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/scsi/qla4xxx/ql4_nx.c:12:0:
drivers/scsi/qla4xxx/ql4_glbl.h:118:5: note: previous declaration of 'qla4_82xx_crb_win_lock' was here
int qla4_82xx_crb_win_lock(struct scsi_qla_host *);
^~~~~~~~~~~~~~~~~~~~~~
vim +/qla4_82xx_crb_win_lock +389 drivers/scsi/qla4xxx/ql4_nx.c
383 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off);
384
385 BUG_ON(rv == -1);
386
387 if (rv == 1) {
388 write_lock_irqsave(&ha->hw_lock, flags);
> 389 qla4_82xx_crb_win_lock(ha, flags);
390 qla4_82xx_pci_set_crbwindow_2M(ha, &off);
391 }
392
393 writel(data, (void __iomem *)off);
394
395 if (rv == 1) {
396 qla4_82xx_crb_win_unlock(ha);
397 write_unlock_irqrestore(&ha->hw_lock, flags);
398 }
399 }
400
401 uint32_t qla4_82xx_rd_32(struct scsi_qla_host *ha, ulong off)
402 {
403 unsigned long flags = 0;
404 int rv;
405 u32 data;
406
407 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off);
408
409 BUG_ON(rv == -1);
410
411 if (rv == 1) {
412 write_lock_irqsave(&ha->hw_lock, flags);
> 413 qla4_82xx_crb_win_lock(ha, flags);
414 qla4_82xx_pci_set_crbwindow_2M(ha, &off);
415 }
416 data = readl((void __iomem *)off);
417
418 if (rv == 1) {
419 qla4_82xx_crb_win_unlock(ha);
420 write_unlock_irqrestore(&ha->hw_lock, flags);
421 }
422 return data;
423 }
424
425 /* Minidump related functions */
426 int qla4_82xx_md_rd_32(struct scsi_qla_host *ha, uint32_t off, uint32_t *data)
427 {
428 uint32_t win_read, off_value;
429 int rval = QLA_SUCCESS;
430
431 off_value = off & 0xFFFF0000;
432 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
433
434 /*
435 * Read back value to make sure write has gone through before trying
436 * to use it.
437 */
438 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
439 if (win_read != off_value) {
440 DEBUG2(ql4_printk(KERN_INFO, ha,
441 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n",
442 __func__, off_value, win_read, off));
443 rval = QLA_ERROR;
444 } else {
445 off_value = off & 0x0000FFFF;
446 *data = readl((void __iomem *)(off_value + CRB_INDIRECT_2M +
447 ha->nx_pcibase));
448 }
449 return rval;
450 }
451
452 int qla4_82xx_md_wr_32(struct scsi_qla_host *ha, uint32_t off, uint32_t data)
453 {
454 uint32_t win_read, off_value;
455 int rval = QLA_SUCCESS;
456
457 off_value = off & 0xFFFF0000;
458 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
459
460 /* Read back value to make sure write has gone through before trying
461 * to use it.
462 */
463 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
464 if (win_read != off_value) {
465 DEBUG2(ql4_printk(KERN_INFO, ha,
466 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n",
467 __func__, off_value, win_read, off));
468 rval = QLA_ERROR;
469 } else {
470 off_value = off & 0x0000FFFF;
471 writel(data, (void __iomem *)(off_value + CRB_INDIRECT_2M +
472 ha->nx_pcibase));
473 }
474 return rval;
475 }
476
477 #define CRB_WIN_LOCK_TIMEOUT 100000000
478
> 479 int qla4_82xx_crb_win_lock(struct scsi_qla_host *ha, unsigned long flags)
480 {
481 int i;
482 int done = 0, timeout = 0;
---
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