From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Mike Christie <michael.christie@oracle.com>,
martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
target-devel@vger.kernel.org, mst@redhat.com,
jasowang@redhat.com, pbonzini@redhat.com, stefanha@redhat.com,
virtualization@lists.linux-foundation.org
Cc: lkp@intel.com, kbuild-all@lists.01.org
Subject: Re: [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session
Date: Wed, 23 Sep 2020 10:53:06 +0300 [thread overview]
Message-ID: <20200923075305.GH4282@kadam> (raw)
In-Reply-To: <1600712588-9514-4-git-send-email-michael.christie@oracle.com>
[-- Attachment #1: Type: text/plain, Size: 6060 bytes --]
Hi Mike,
url: https://github.com/0day-ci/linux/commits/Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: i386-randconfig-m021-20200923 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/vhost/scsi.c:606 vhost_scsi_get_cmd() error: uninitialized symbol 'cpu'.
# https://github.com/0day-ci/linux/commit/aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
git checkout aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
vim +/cpu +606 drivers/vhost/scsi.c
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 572 static struct vhost_scsi_cmd *
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 573 vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 574 unsigned char *cdb, u64 scsi_tag, u16 lun, u8 task_attr,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 575 u32 exp_data_len, int data_direction)
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 576 {
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 577 struct vhost_scsi_virtqueue *svq = container_of(vq,
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 578 struct vhost_scsi_virtqueue, vq);
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 579 struct vhost_scsi_cmd *cmd;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 580 struct vhost_scsi_nexus *tv_nexus;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 581 struct scatterlist *sg, *prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 582 struct page **pages;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 583 int tag, cpu;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 584
9871831283e79575 drivers/vhost/scsi.c Asias He 2013-05-06 585 tv_nexus = tpg->tpg_nexus;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 586 if (!tv_nexus) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 587 pr_err("Unable to locate active struct vhost_scsi_nexus\n");
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 588 return ERR_PTR(-EIO);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 589 }
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 590
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 591 tag = sbitmap_get(&svq->scsi_tags, 0, false);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 592 if (tag < 0) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 593 pr_err("Unable to obtain tag for vhost_scsi_cmd\n");
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 594 return ERR_PTR(-ENOMEM);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 595 }
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 596
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 597 cmd = &svq->scsi_cmds[tag];
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 598 sg = cmd->tvc_sgl;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 599 prot_sg = cmd->tvc_prot_sgl;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 600 pages = cmd->tvc_upages;
473f0b15a4c97d39 drivers/vhost/scsi.c Markus Elfring 2017-05-20 601 memset(cmd, 0, sizeof(*cmd));
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 602 cmd->tvc_sgl = sg;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 603 cmd->tvc_prot_sgl = prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 604 cmd->tvc_upages = pages;
4824d3bfb9097ac5 drivers/vhost/scsi.c Nicholas Bellinger 2013-06-07 605 cmd->tvc_se_cmd.map_tag = tag;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 @606 cmd->tvc_se_cmd.map_cpu = cpu;
"cpu" is never initialized.
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 607 cmd->tvc_tag = scsi_tag;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 608 cmd->tvc_lun = lun;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 609 cmd->tvc_task_attr = task_attr;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 610 cmd->tvc_exp_data_len = exp_data_len;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 611 cmd->tvc_data_direction = data_direction;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 612 cmd->tvc_nexus = tv_nexus;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 613 cmd->inflight = vhost_scsi_get_inflight(vq);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 614
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 615 memcpy(cmd->tvc_cdb, cdb, VHOST_SCSI_MAX_CDB_SIZE);
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 616
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 617 return cmd;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 618 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 40631 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org
Subject: Re: [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session
Date: Wed, 23 Sep 2020 10:53:06 +0300 [thread overview]
Message-ID: <20200923075305.GH4282@kadam> (raw)
In-Reply-To: <1600712588-9514-4-git-send-email-michael.christie@oracle.com>
[-- Attachment #1: Type: text/plain, Size: 6136 bytes --]
Hi Mike,
url: https://github.com/0day-ci/linux/commits/Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: i386-randconfig-m021-20200923 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/vhost/scsi.c:606 vhost_scsi_get_cmd() error: uninitialized symbol 'cpu'.
# https://github.com/0day-ci/linux/commit/aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
git checkout aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
vim +/cpu +606 drivers/vhost/scsi.c
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 572 static struct vhost_scsi_cmd *
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 573 vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 574 unsigned char *cdb, u64 scsi_tag, u16 lun, u8 task_attr,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 575 u32 exp_data_len, int data_direction)
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 576 {
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 577 struct vhost_scsi_virtqueue *svq = container_of(vq,
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 578 struct vhost_scsi_virtqueue, vq);
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 579 struct vhost_scsi_cmd *cmd;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 580 struct vhost_scsi_nexus *tv_nexus;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 581 struct scatterlist *sg, *prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 582 struct page **pages;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 583 int tag, cpu;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 584
9871831283e79575 drivers/vhost/scsi.c Asias He 2013-05-06 585 tv_nexus = tpg->tpg_nexus;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 586 if (!tv_nexus) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 587 pr_err("Unable to locate active struct vhost_scsi_nexus\n");
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 588 return ERR_PTR(-EIO);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 589 }
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 590
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 591 tag = sbitmap_get(&svq->scsi_tags, 0, false);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 592 if (tag < 0) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 593 pr_err("Unable to obtain tag for vhost_scsi_cmd\n");
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 594 return ERR_PTR(-ENOMEM);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 595 }
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 596
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 597 cmd = &svq->scsi_cmds[tag];
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 598 sg = cmd->tvc_sgl;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 599 prot_sg = cmd->tvc_prot_sgl;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 600 pages = cmd->tvc_upages;
473f0b15a4c97d39 drivers/vhost/scsi.c Markus Elfring 2017-05-20 601 memset(cmd, 0, sizeof(*cmd));
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 602 cmd->tvc_sgl = sg;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 603 cmd->tvc_prot_sgl = prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 604 cmd->tvc_upages = pages;
4824d3bfb9097ac5 drivers/vhost/scsi.c Nicholas Bellinger 2013-06-07 605 cmd->tvc_se_cmd.map_tag = tag;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 @606 cmd->tvc_se_cmd.map_cpu = cpu;
"cpu" is never initialized.
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 607 cmd->tvc_tag = scsi_tag;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 608 cmd->tvc_lun = lun;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 609 cmd->tvc_task_attr = task_attr;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 610 cmd->tvc_exp_data_len = exp_data_len;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 611 cmd->tvc_data_direction = data_direction;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 612 cmd->tvc_nexus = tv_nexus;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 613 cmd->inflight = vhost_scsi_get_inflight(vq);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 614
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 615 memcpy(cmd->tvc_cdb, cdb, VHOST_SCSI_MAX_CDB_SIZE);
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 616
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 617 return cmd;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 618 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Mike Christie <michael.christie@oracle.com>,
martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
target-devel@vger.kernel.org, mst@redhat.com,
jasowang@redhat.com, pbonzini@redhat.com, stefanha@redhat.com,
virtualization@lists.linux-foundation.org
Cc: lkp@intel.com, kbuild-all@lists.01.org
Subject: Re: [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session
Date: Wed, 23 Sep 2020 07:53:06 +0000 [thread overview]
Message-ID: <20200923075305.GH4282@kadam> (raw)
In-Reply-To: <1600712588-9514-4-git-send-email-michael.christie@oracle.com>
In-Reply-To: <1600712588-9514-4-git-send-email-michael.christie@oracle.com>
[-- Attachment #1: Type: text/plain, Size: 6060 bytes --]
Hi Mike,
url: https://github.com/0day-ci/linux/commits/Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: i386-randconfig-m021-20200923 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/vhost/scsi.c:606 vhost_scsi_get_cmd() error: uninitialized symbol 'cpu'.
# https://github.com/0day-ci/linux/commit/aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
git checkout aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
vim +/cpu +606 drivers/vhost/scsi.c
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 572 static struct vhost_scsi_cmd *
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 573 vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 574 unsigned char *cdb, u64 scsi_tag, u16 lun, u8 task_attr,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 575 u32 exp_data_len, int data_direction)
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 576 {
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 577 struct vhost_scsi_virtqueue *svq = container_of(vq,
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 578 struct vhost_scsi_virtqueue, vq);
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 579 struct vhost_scsi_cmd *cmd;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 580 struct vhost_scsi_nexus *tv_nexus;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 581 struct scatterlist *sg, *prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 582 struct page **pages;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 583 int tag, cpu;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 584
9871831283e79575 drivers/vhost/scsi.c Asias He 2013-05-06 585 tv_nexus = tpg->tpg_nexus;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 586 if (!tv_nexus) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 587 pr_err("Unable to locate active struct vhost_scsi_nexus\n");
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 588 return ERR_PTR(-EIO);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 589 }
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 590
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 591 tag = sbitmap_get(&svq->scsi_tags, 0, false);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 592 if (tag < 0) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 593 pr_err("Unable to obtain tag for vhost_scsi_cmd\n");
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 594 return ERR_PTR(-ENOMEM);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 595 }
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 596
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 597 cmd = &svq->scsi_cmds[tag];
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 598 sg = cmd->tvc_sgl;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 599 prot_sg = cmd->tvc_prot_sgl;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 600 pages = cmd->tvc_upages;
473f0b15a4c97d39 drivers/vhost/scsi.c Markus Elfring 2017-05-20 601 memset(cmd, 0, sizeof(*cmd));
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 602 cmd->tvc_sgl = sg;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 603 cmd->tvc_prot_sgl = prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 604 cmd->tvc_upages = pages;
4824d3bfb9097ac5 drivers/vhost/scsi.c Nicholas Bellinger 2013-06-07 605 cmd->tvc_se_cmd.map_tag = tag;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 @606 cmd->tvc_se_cmd.map_cpu = cpu;
"cpu" is never initialized.
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 607 cmd->tvc_tag = scsi_tag;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 608 cmd->tvc_lun = lun;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 609 cmd->tvc_task_attr = task_attr;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 610 cmd->tvc_exp_data_len = exp_data_len;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 611 cmd->tvc_data_direction = data_direction;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 612 cmd->tvc_nexus = tv_nexus;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 613 cmd->inflight = vhost_scsi_get_inflight(vq);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 614
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 615 memcpy(cmd->tvc_cdb, cdb, VHOST_SCSI_MAX_CDB_SIZE);
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 616
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 617 return cmd;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 618 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
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WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Mike Christie <michael.christie@oracle.com>,
martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
target-devel@vger.kernel.org, mst@redhat.com,
jasowang@redhat.com, pbonzini@redhat.com, stefanha@redhat.com,
virtualization@lists.linux-foundation.org
Cc: kbuild-all@lists.01.org, lkp@intel.com
Subject: Re: [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session
Date: Wed, 23 Sep 2020 10:53:06 +0300 [thread overview]
Message-ID: <20200923075305.GH4282@kadam> (raw)
In-Reply-To: <1600712588-9514-4-git-send-email-michael.christie@oracle.com>
[-- Attachment #1: Type: text/plain, Size: 6060 bytes --]
Hi Mike,
url: https://github.com/0day-ci/linux/commits/Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: i386-randconfig-m021-20200923 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/vhost/scsi.c:606 vhost_scsi_get_cmd() error: uninitialized symbol 'cpu'.
# https://github.com/0day-ci/linux/commit/aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
git checkout aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
vim +/cpu +606 drivers/vhost/scsi.c
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 572 static struct vhost_scsi_cmd *
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 573 vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 574 unsigned char *cdb, u64 scsi_tag, u16 lun, u8 task_attr,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 575 u32 exp_data_len, int data_direction)
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 576 {
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 577 struct vhost_scsi_virtqueue *svq = container_of(vq,
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 578 struct vhost_scsi_virtqueue, vq);
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 579 struct vhost_scsi_cmd *cmd;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 580 struct vhost_scsi_nexus *tv_nexus;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 581 struct scatterlist *sg, *prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 582 struct page **pages;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 583 int tag, cpu;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 584
9871831283e79575 drivers/vhost/scsi.c Asias He 2013-05-06 585 tv_nexus = tpg->tpg_nexus;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 586 if (!tv_nexus) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 587 pr_err("Unable to locate active struct vhost_scsi_nexus\n");
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 588 return ERR_PTR(-EIO);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 589 }
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 590
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 591 tag = sbitmap_get(&svq->scsi_tags, 0, false);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 592 if (tag < 0) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 593 pr_err("Unable to obtain tag for vhost_scsi_cmd\n");
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 594 return ERR_PTR(-ENOMEM);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 595 }
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 596
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 597 cmd = &svq->scsi_cmds[tag];
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 598 sg = cmd->tvc_sgl;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 599 prot_sg = cmd->tvc_prot_sgl;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 600 pages = cmd->tvc_upages;
473f0b15a4c97d39 drivers/vhost/scsi.c Markus Elfring 2017-05-20 601 memset(cmd, 0, sizeof(*cmd));
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 602 cmd->tvc_sgl = sg;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 603 cmd->tvc_prot_sgl = prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 604 cmd->tvc_upages = pages;
4824d3bfb9097ac5 drivers/vhost/scsi.c Nicholas Bellinger 2013-06-07 605 cmd->tvc_se_cmd.map_tag = tag;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 @606 cmd->tvc_se_cmd.map_cpu = cpu;
"cpu" is never initialized.
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 607 cmd->tvc_tag = scsi_tag;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 608 cmd->tvc_lun = lun;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 609 cmd->tvc_task_attr = task_attr;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 610 cmd->tvc_exp_data_len = exp_data_len;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 611 cmd->tvc_data_direction = data_direction;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 612 cmd->tvc_nexus = tv_nexus;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 613 cmd->inflight = vhost_scsi_get_inflight(vq);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 614
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 615 memcpy(cmd->tvc_cdb, cdb, VHOST_SCSI_MAX_CDB_SIZE);
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 616
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 617 return cmd;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 618 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session
Date: Wed, 23 Sep 2020 10:53:06 +0300 [thread overview]
Message-ID: <20200923075305.GH4282@kadam> (raw)
In-Reply-To: <1600712588-9514-4-git-send-email-michael.christie@oracle.com>
[-- Attachment #1: Type: text/plain, Size: 6136 bytes --]
Hi Mike,
url: https://github.com/0day-ci/linux/commits/Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: i386-randconfig-m021-20200923 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/vhost/scsi.c:606 vhost_scsi_get_cmd() error: uninitialized symbol 'cpu'.
# https://github.com/0day-ci/linux/commit/aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mike-Christie/vhost-scsi-fixes-and-cleanups/20200922-031251
git checkout aef0e1e9298ab68f2d7bdf1afb9a376641b993d5
vim +/cpu +606 drivers/vhost/scsi.c
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 572 static struct vhost_scsi_cmd *
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 573 vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 574 unsigned char *cdb, u64 scsi_tag, u16 lun, u8 task_attr,
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 575 u32 exp_data_len, int data_direction)
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 576 {
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 577 struct vhost_scsi_virtqueue *svq = container_of(vq,
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 578 struct vhost_scsi_virtqueue, vq);
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 579 struct vhost_scsi_cmd *cmd;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 580 struct vhost_scsi_nexus *tv_nexus;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 581 struct scatterlist *sg, *prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 582 struct page **pages;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 583 int tag, cpu;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 584
9871831283e79575 drivers/vhost/scsi.c Asias He 2013-05-06 585 tv_nexus = tpg->tpg_nexus;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 586 if (!tv_nexus) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 587 pr_err("Unable to locate active struct vhost_scsi_nexus\n");
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 588 return ERR_PTR(-EIO);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 589 }
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 590
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 591 tag = sbitmap_get(&svq->scsi_tags, 0, false);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 592 if (tag < 0) {
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 593 pr_err("Unable to obtain tag for vhost_scsi_cmd\n");
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 594 return ERR_PTR(-ENOMEM);
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 595 }
4a47d3a1ff10e564 drivers/vhost/scsi.c Nicholas Bellinger 2013-09-23 596
aef0e1e9298ab68f drivers/vhost/scsi.c Mike Christie 2020-09-21 597 cmd = &svq->scsi_cmds[tag];
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 598 sg = cmd->tvc_sgl;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 599 prot_sg = cmd->tvc_prot_sgl;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 600 pages = cmd->tvc_upages;
473f0b15a4c97d39 drivers/vhost/scsi.c Markus Elfring 2017-05-20 601 memset(cmd, 0, sizeof(*cmd));
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 602 cmd->tvc_sgl = sg;
b1935f687bb93b20 drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 603 cmd->tvc_prot_sgl = prot_sg;
3aee26b4ae91048c drivers/vhost/scsi.c Nicholas Bellinger 2013-06-21 604 cmd->tvc_upages = pages;
4824d3bfb9097ac5 drivers/vhost/scsi.c Nicholas Bellinger 2013-06-07 605 cmd->tvc_se_cmd.map_tag = tag;
10e9cbb6b531117b drivers/vhost/scsi.c Matthew Wilcox 2018-06-12 @606 cmd->tvc_se_cmd.map_cpu = cpu;
"cpu" is never initialized.
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 607 cmd->tvc_tag = scsi_tag;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 608 cmd->tvc_lun = lun;
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 609 cmd->tvc_task_attr = task_attr;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 610 cmd->tvc_exp_data_len = exp_data_len;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 611 cmd->tvc_data_direction = data_direction;
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 612 cmd->tvc_nexus = tv_nexus;
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 613 cmd->inflight = vhost_scsi_get_inflight(vq);
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 614
1a1ff8256af679c8 drivers/vhost/scsi.c Nicholas Bellinger 2015-01-31 615 memcpy(cmd->tvc_cdb, cdb, VHOST_SCSI_MAX_CDB_SIZE);
95e7c4341b8e28da drivers/vhost/scsi.c Nicholas Bellinger 2014-02-22 616
3c63f66a0dcdd6cb drivers/vhost/scsi.c Asias He 2013-05-06 617 return cmd;
057cbf49a1f08297 drivers/vhost/tcm_vhost.c Nicholas Bellinger 2012-07-18 618 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2020-09-23 7:53 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-21 18:23 [PATCH 0/8] vhost scsi: fixes and cleanups Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-21 18:23 ` [PATCH 1/8] vhost vdpa: fix vhost_vdpa_open error handling Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-22 1:58 ` Jason Wang
2020-09-22 1:58 ` Jason Wang
2020-09-22 1:58 ` Jason Wang
2020-09-21 18:23 ` [PATCH 2/8] vhost: add helper to check if a vq has been setup Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-22 2:02 ` Jason Wang
2020-09-22 2:02 ` Jason Wang
2020-09-22 2:02 ` Jason Wang
2020-09-23 19:12 ` Mike Christie
2020-09-23 19:12 ` Mike Christie
2020-09-24 7:22 ` Jason Wang
2020-09-24 7:22 ` Jason Wang
2020-09-24 7:22 ` Jason Wang
2020-09-22 2:45 ` Bart Van Assche
2020-09-22 2:45 ` Bart Van Assche
2020-09-22 2:45 ` Bart Van Assche
2020-09-22 15:34 ` Michael Christie
2020-09-22 15:34 ` Michael Christie
2020-09-21 18:23 ` [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-22 1:32 ` kernel test robot
2020-09-22 1:32 ` kernel test robot
2020-09-22 1:32 ` kernel test robot
2020-09-22 1:32 ` kernel test robot
2020-09-23 7:53 ` Dan Carpenter [this message]
2020-09-23 7:53 ` Dan Carpenter
2020-09-23 7:53 ` Dan Carpenter
2020-09-23 7:53 ` Dan Carpenter
2020-09-23 7:53 ` Dan Carpenter
2020-09-24 6:22 ` Michael S. Tsirkin
2020-09-24 6:22 ` Michael S. Tsirkin
2020-09-24 6:22 ` Michael S. Tsirkin
2020-09-24 15:31 ` Michael Christie
2020-09-24 15:31 ` Michael Christie
2020-09-21 18:23 ` [PATCH 4/8] vhost scsi: fix cmd completion race Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-22 2:48 ` Bart Van Assche
2020-09-22 2:48 ` Bart Van Assche
2020-09-22 2:48 ` Bart Van Assche
2020-09-22 2:51 ` Bart Van Assche
2020-09-22 2:51 ` Bart Van Assche
2020-09-22 2:51 ` Bart Van Assche
2020-09-21 18:23 ` [PATCH 5/8] vhost scsi: add lun parser helper Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-23 10:23 ` Paolo Bonzini
2020-09-23 10:23 ` Paolo Bonzini
2020-09-23 10:23 ` Paolo Bonzini
2020-09-21 18:23 ` [PATCH 6/8] vhost scsi: Add support for LUN resets Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-21 18:23 ` [PATCH 7/8] vhost: remove work arg from vhost_work_flush Mike Christie
2020-09-21 18:23 ` Mike Christie
2020-09-22 2:01 ` Jason Wang
2020-09-22 2:01 ` Jason Wang
2020-09-22 2:01 ` Jason Wang
2020-09-21 18:23 ` [PATCH 8/8] vhost scsi: remove extra flushes Mike Christie
2020-09-21 18:23 ` Mike Christie
-- strict thread matches above, loose matches on Subject: below --
2020-09-23 6:26 [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session kernel test robot
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