All of lore.kernel.org
 help / color / mirror / Atom feed
From: YueHaibing <yuehaibing@huawei.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Yue Haibing <yuehaibing@huawei.com>,
	<iommu@lists.linux-foundation.org>,
	<linux-kernel@vger.kernel.org>, <kernel-janitors@vger.kernel.org>
Subject: [PATCH -next] iommu/amd: remove set but not used variable 'tag'
Date: Thu, 8 Nov 2018 06:12:40 +0000	[thread overview]
Message-ID: <1541657560-73681-1-git-send-email-yuehaibing@huawei.com> (raw)

From: Yue Haibing <yuehaibing@huawei.com>

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/iommu/amd_iommu.c: In function 'iommu_print_event':
drivers/iommu/amd_iommu.c:550:33: warning:
 variable 'tag' set but not used [-Wunused-but-set-variable]

It never used since introduction in
commit e7f63ffc1bf1 ("iommu/amd: Update logging information for new event type")

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
---
 drivers/iommu/amd_iommu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 4e04fff..58a7834 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -547,7 +547,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id,
 static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
 {
 	struct device *dev = iommu->iommu.dev;
-	int type, devid, pasid, flags, tag;
+	int type, devid, pasid, flags;
 	volatile u32 *event = __evt;
 	int count = 0;
 	u64 address;
@@ -615,7 +615,6 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
 	case EVENT_TYPE_INV_PPR_REQ:
 		pasid = ((event[0] >> 16) & 0xFFFF)
 			| ((event[1] << 6) & 0xF0000);
-		tag = event[1] & 0x03FF;
 		dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			pasid, address, flags);




WARNING: multiple messages have this Message-ID (diff)
From: YueHaibing <yuehaibing@huawei.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Yue Haibing <yuehaibing@huawei.com>,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [PATCH -next] iommu/amd: remove set but not used variable 'tag'
Date: Thu, 08 Nov 2018 06:12:40 +0000	[thread overview]
Message-ID: <1541657560-73681-1-git-send-email-yuehaibing@huawei.com> (raw)

From: Yue Haibing <yuehaibing@huawei.com>

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/iommu/amd_iommu.c: In function 'iommu_print_event':
drivers/iommu/amd_iommu.c:550:33: warning:
 variable 'tag' set but not used [-Wunused-but-set-variable]

It never used since introduction in
commit e7f63ffc1bf1 ("iommu/amd: Update logging information for new event type")

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
---
 drivers/iommu/amd_iommu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 4e04fff..58a7834 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -547,7 +547,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id,
 static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
 {
 	struct device *dev = iommu->iommu.dev;
-	int type, devid, pasid, flags, tag;
+	int type, devid, pasid, flags;
 	volatile u32 *event = __evt;
 	int count = 0;
 	u64 address;
@@ -615,7 +615,6 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
 	case EVENT_TYPE_INV_PPR_REQ:
 		pasid = ((event[0] >> 16) & 0xFFFF)
 			| ((event[1] << 6) & 0xF0000);
-		tag = event[1] & 0x03FF;
 		dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			pasid, address, flags);

WARNING: multiple messages have this Message-ID (diff)
From: YueHaibing <yuehaibing@huawei.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Yue Haibing <yuehaibing@huawei.com>,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [PATCH -next] iommu/amd: remove set but not used variable 'tag'
Date: Thu, 8 Nov 2018 06:12:40 +0000	[thread overview]
Message-ID: <1541657560-73681-1-git-send-email-yuehaibing@huawei.com> (raw)

From: Yue Haibing <yuehaibing@huawei.com>

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/iommu/amd_iommu.c: In function 'iommu_print_event':
drivers/iommu/amd_iommu.c:550:33: warning:
 variable 'tag' set but not used [-Wunused-but-set-variable]

It never used since introduction in
commit e7f63ffc1bf1 ("iommu/amd: Update logging information for new event type")

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
---
 drivers/iommu/amd_iommu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 4e04fff..58a7834 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -547,7 +547,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id,
 static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
 {
 	struct device *dev = iommu->iommu.dev;
-	int type, devid, pasid, flags, tag;
+	int type, devid, pasid, flags;
 	volatile u32 *event = __evt;
 	int count = 0;
 	u64 address;
@@ -615,7 +615,6 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
 	case EVENT_TYPE_INV_PPR_REQ:
 		pasid = ((event[0] >> 16) & 0xFFFF)
 			| ((event[1] << 6) & 0xF0000);
-		tag = event[1] & 0x03FF;
 		dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			pasid, address, flags);

             reply	other threads:[~2018-11-08  6:03 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-08  6:12 YueHaibing [this message]
2018-11-08  6:12 ` [PATCH -next] iommu/amd: remove set but not used variable 'tag' YueHaibing
2018-11-08  6:12 ` YueHaibing
2018-11-08  9:32 ` Joerg Roedel
2018-11-08  9:32   ` Joerg Roedel
2018-11-08 11:12   ` YueHaibing
2018-11-08 11:12     ` YueHaibing
2018-11-08 11:12     ` YueHaibing
2018-11-08 11:57 ` [PATCH -next] iommu/amd: Add missed 'tag' to error msg in iommu_print_event YueHaibing
2018-11-08 11:57   ` YueHaibing
2018-11-08 11:57   ` YueHaibing
2018-11-08 14:04   ` Joerg Roedel
2018-11-08 14:04     ` Joerg Roedel
2020-05-08 13:40 [PATCH -next] iommu/amd: Remove set but not used variable 'iommu' YueHaibing
2020-05-08 13:40 ` YueHaibing
2020-05-08 13:40 ` YueHaibing
2020-05-13  8:57 ` Joerg Roedel
2020-05-13  8:57   ` Joerg Roedel
2020-05-13  8:57   ` Joerg Roedel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1541657560-73681-1-git-send-email-yuehaibing@huawei.com \
    --to=yuehaibing@huawei.com \
    --cc=iommu@lists.linux-foundation.org \
    --cc=joro@8bytes.org \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.