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[PATCH 4.12 00/27] 4.12.1-stable review

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  [PATCH 4.12 00/27] 4.12.1-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 14/27] tpm: Issue a TPM2_Shutdown for TPM2 devices. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 26/27] xen: avoid deadlock in xenbus driver Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 05/27] usb: usbip: set buffer pointers to NULL after free Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 02/27] RDMA/uverbs: Check port number supplied by user verbs cmds Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 19/27] sched/core: Implement new approach to scale select_idle_cpu() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 01/27] driver core: platform: fix race condition with driver_override Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 06/27] Add USB quirk for HVR-950q to avoid intermittent device resets Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
    [PATCH 4.12 25/27] sched/numa: Hide numa_wake_affine() from UP build Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:30 +0200
    [PATCH 4.12 17/27] x86/uaccess: Optimize copy_user_enhanced_fast_string() for short strings Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:30 +0200
    [PATCH 4.12 04/27] USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 13/27] Add "shutdown" to "struct class". Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 11/27] xhci: Limit USB2 port wake support for AMD Promontory hosts Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 18/27] sched/fair, cpumask: Export for_each_cpu_wrap() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 23/27] sched/numa: Implement NUMA node level wake_affine() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 24/27] sched/fair: Remove effective_load() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 15/27] tpm: fix a kernel memory leak in tpm-sysfs.c Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 20/27] sched/numa: Use down_read_trylock() for the mmap_sem Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 08/27] USB: core: fix device node leak Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 12/27] gfs2: Fix glock rhashtable rcu bug Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 03/27] usb: dwc3: replace %p with %pK Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 27/27] crypto: drbg - Fixes panic in wait_for_completion call Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 22/27] sched/fair: Simplify wake_affine() for the single socket case Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    [PATCH 4.12 07/27] usb: Fix typo in the definition of Endpoint[out]Request Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
    Re: [PATCH 4.12 00/27] 4.12.1-stable review Guenter Roeck <linux@roeck-us.net> - 2017-07-11 03:30 +0200
      Re: [PATCH 4.12 00/27] 4.12.1-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-11 11:50 +0200

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#1684533 — [PATCH 4.12 03/27] usb: dwc3: replace %p with %pK

4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Felipe Balbi <felipe.balbi@linux.intel.com>

commit 04fb365c453e14ff9e8a28f1c46050d920a27a4a upstream.

%p will leak kernel pointers, so let's not expose the information on
dmesg and instead use %pK. %pK will only show the actual addresses if
explicitly enabled under /proc/sys/kernel/kptr_restrict.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/dwc3/dwc3-st.c |    2 +-
 drivers/usb/dwc3/gadget.c  |    9 +++------
 2 files changed, 4 insertions(+), 7 deletions(-)

--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -230,7 +230,7 @@ static int st_dwc3_probe(struct platform
 
 	dwc3_data->syscfg_reg_off = res->start;
 
-	dev_vdbg(&pdev->dev, "glue-logic addr 0x%p, syscfg-reg offset 0x%x\n",
+	dev_vdbg(&pdev->dev, "glue-logic addr 0x%pK, syscfg-reg offset 0x%x\n",
 		 dwc3_data->glue_base, dwc3_data->syscfg_reg_off);
 
 	dwc3_data->rstc_pwrdn =
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1215,12 +1215,9 @@ static int __dwc3_gadget_ep_queue(struct
 		return -ESHUTDOWN;
 	}
 
-	if (WARN(req->dep != dep, "request %p belongs to '%s'\n",
-				&req->request, req->dep->name)) {
-		dev_err(dwc->dev, "%s: request %p belongs to '%s'\n",
-				dep->name, &req->request, req->dep->name);
+	if (WARN(req->dep != dep, "request %pK belongs to '%s'\n",
+				&req->request, req->dep->name))
 		return -EINVAL;
-	}
 
 	pm_runtime_get(dwc->dev);
 
@@ -1396,7 +1393,7 @@ static int dwc3_gadget_ep_dequeue(struct
 			}
 			goto out1;
 		}
-		dev_err(dwc->dev, "request %p was not queued to %s\n",
+		dev_err(dwc->dev, "request %pK was not queued to %s\n",
 				request, ep->name);
 		ret = -EINVAL;
 		goto out0;

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#1684534 — [PATCH 4.12 27/27] crypto: drbg - Fixes panic in wait_for_completion call

4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stephan Mueller <smueller@chronox.de>

commit b61929c654f2e725644935737c4c1ea9c741e2f8 upstream.

Initialise ctr_completion variable before use.

Cc: <stable@vger.kernel.org>
Signed-off-by: Harsh Jain <harshjain.prof@gmail.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 crypto/drbg.c |    1 +
 1 file changed, 1 insertion(+)

--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1691,6 +1691,7 @@ static int drbg_init_sym_kernel(struct d
 		return PTR_ERR(sk_tfm);
 	}
 	drbg->ctr_handle = sk_tfm;
+	init_completion(&drbg->ctr_completion);
 
 	req = skcipher_request_alloc(sk_tfm, GFP_KERNEL);
 	if (!req) {

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#1684537 — [PATCH 4.12 22/27] sched/fair: Simplify wake_affine() for the single socket case

4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Rik van Riel <riel@redhat.com>

commit 7d894e6e34a5cdd12309c7e4a3f830277ad4b7bf upstream.

Then 'this_cpu' and 'prev_cpu' are in the same socket, select_idle_sibling()
will do its thing regardless of the return value of wake_affine().

Just return true and don't look at all the other things.

Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: jhladky@redhat.com
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/20170623165530.22514-3-riel@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 kernel/sched/fair.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5399,6 +5399,13 @@ static int wake_affine(struct sched_doma
 	this_load = target_load(this_cpu, idx);
 
 	/*
+	 * Common case: CPUs are in the same socket, and select_idle_sibling()
+	 * will do its thing regardless of what we return:
+	 */
+	if (cpus_share_cache(prev_cpu, this_cpu))
+		return true;
+
+	/*
 	 * If sync wakeup then subtract the (maximum possible)
 	 * effect of the currently running task from the load
 	 * of the current CPU:
@@ -5986,11 +5993,15 @@ select_task_rq_fair(struct task_struct *
 
 	if (affine_sd) {
 		sd = NULL; /* Prefer wake_affine over balance flags */
-		if (cpu != prev_cpu && wake_affine(affine_sd, p, prev_cpu, sync))
+		if (cpu == prev_cpu)
+			goto pick_cpu;
+
+		if (wake_affine(affine_sd, p, prev_cpu, sync))
 			new_cpu = cpu;
 	}
 
 	if (!sd) {
+ pick_cpu:
 		if (sd_flag & SD_BALANCE_WAKE) /* XXX always ? */
 			new_cpu = select_idle_sibling(p, prev_cpu, new_cpu);
 

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#1684538 — [PATCH 4.12 07/27] usb: Fix typo in the definition of Endpoint[out]Request

4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>

commit 7cf916bd639bd26db7214f2205bccdb4b9306256 upstream.

The current definition is wrong. This breaks my upcoming
Aspeed virtual hub driver.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 include/linux/usb/hcd.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -565,9 +565,9 @@ extern void usb_ep0_reinit(struct usb_de
 	((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
 
 #define EndpointRequest \
-	((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
+	((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
 #define EndpointOutRequest \
-	((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
+	((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
 
 /* class requests from the USB 2.0 hub spec, table 11-15 */
 #define HUB_CLASS_REQ(dir, type, request) ((((dir) | (type)) << 8) | (request))

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#1684714

On 07/10/2017 10:09 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.12.1 release.
> There are 27 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Wed Jul 12 17:00:45 UTC 2017.
> Anything received after that time might be too late.
> 

Build results:
	total: 145 pass: 145 fail: 0
Qemu test results:
	total: 122 pass: 122 fail: 0

Details are available at http://kerneltests.org/builders.

Guenter

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#1684925

On Mon, Jul 10, 2017 at 06:21:52PM -0700, Guenter Roeck wrote:
> On 07/10/2017 10:09 AM, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.12.1 release.
> > There are 27 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Wed Jul 12 17:00:45 UTC 2017.
> > Anything received after that time might be too late.
> > 
> 
> Build results:
> 	total: 145 pass: 145 fail: 0
> Qemu test results:
> 	total: 122 pass: 122 fail: 0
> 
> Details are available at http://kerneltests.org/builders.

Great, thanks for testing all of these and letting me know.

greg k-h

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