Merge tag 's390-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Remove outdated linux390 link from MAINTAINERS

 - Add few missing EX_TABLE entries to inline assemblies

 - Fix raw data collection for pai_ext PMU

 - Add kernel image secure boot trailer for future firmware versions

 - Fix out-of-bounds access on cio_ignore free

 - Fix memory allocation of mdev_types array in vfio-ap

* tag 's390-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/vfio-ap: Fix memory allocation for mdev_types array
  s390/cio: fix out-of-bounds access on cio_ignore free
  s390/pai: fix raw data collection for PMU pai_ext
  s390/boot: add secure boot trailer
  s390/pci: add missing EX_TABLE entries to __pcistg_mio_inuser()/__pcilg_mio_inuser()
  s390/futex: add missing EX_TABLE entry to __futex_atomic_op()
  s390/uaccess: add missing EX_TABLE entries to __clear_user()
  MAINTAINERS: remove outdated linux390 link

8 files changed, 24 insertions, 29 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index a74d56cf1698..2034e7d26684 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11258,7 +11258,6 @@ M:	Claudio Imbrenda <imbrenda@linux.ibm.com>
 R:	David Hildenbrand <david@redhat.com>
 L:	kvm@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git
 F:	Documentation/virt/kvm/s390*
 F:	arch/s390/include/asm/gmap.h
@@ -17998,7 +17997,6 @@ R:	Christian Borntraeger <borntraeger@linux.ibm.com>
 R:	Sven Schnelle <svens@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git
 F:	Documentation/driver-api/s390-drivers.rst
 F:	Documentation/s390/
@@ -18010,7 +18008,6 @@ M:	Vineeth Vijayan <vneethv@linux.ibm.com>
 M:	Peter Oberparleiter <oberpar@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	drivers/s390/cio/
 
 S390 DASD DRIVER
@@ -18018,7 +18015,6 @@ M:	Stefan Haberland <sth@linux.ibm.com>
 M:	Jan Hoeppner <hoeppner@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	block/partitions/ibm.c
 F:	drivers/s390/block/dasd*
 F:	include/linux/dasd_mod.h
@@ -18028,7 +18024,6 @@ M:	Matthew Rosato <mjrosato@linux.ibm.com>
 M:	Gerald Schaefer <gerald.schaefer@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	drivers/iommu/s390-iommu.c
 
 S390 IUCV NETWORK LAYER
@@ -18037,7 +18032,6 @@ M:	Wenjia Zhang <wenjia@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 L:	netdev@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	drivers/s390/net/*iucv*
 F:	include/net/iucv/
 F:	net/iucv/
@@ -18048,7 +18042,6 @@ M:	Wenjia Zhang <wenjia@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 L:	netdev@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	drivers/s390/net/
 
 S390 PCI SUBSYSTEM
@@ -18056,7 +18049,6 @@ M:	Niklas Schnelle <schnelle@linux.ibm.com>
 M:	Gerald Schaefer <gerald.schaefer@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	arch/s390/pci/
 F:	drivers/pci/hotplug/s390_pci_hpc.c
 F:	Documentation/s390/pci.rst
@@ -18067,7 +18059,6 @@ M:	Halil Pasic <pasic@linux.ibm.com>
 M:	Jason Herne <jjherne@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	Documentation/s390/vfio-ap*
 F:	drivers/s390/crypto/vfio_ap*
 
@@ -18096,7 +18087,6 @@ S390 ZCRYPT DRIVER
 M:	Harald Freudenberger <freude@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	drivers/s390/crypto/
 
 S390 ZFCP DRIVER
@@ -18104,7 +18094,6 @@ M:	Steffen Maier <maier@linux.ibm.com>
 M:	Benjamin Block <bblock@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	drivers/s390/scsi/zfcp_*
 
 S3C ADC BATTERY DRIVER
@@ -18676,7 +18665,6 @@ M:	Wenjia Zhang <wenjia@linux.ibm.com>
 M:	Jan Karcher <jaka@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
-W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	net/smc/
 
 SHARP GP2AP002A00F/GP2AP002S00F SENSOR DRIVER
diff --git a/arch/s390/boot/vmlinux.lds.S b/arch/s390/boot/vmlinux.lds.S
index af5c6860e0a1..fa9d33b01b85 100644
--- a/arch/s390/boot/vmlinux.lds.S
+++ b/arch/s390/boot/vmlinux.lds.S
@@ -102,8 +102,17 @@ SECTIONS
 		_compressed_start = .;
 		*(.vmlinux.bin.compressed)
 		_compressed_end = .;
-		FILL(0xff);
-		. = ALIGN(4096);
+	}
+
+#define SB_TRAILER_SIZE 32
+	/* Trailer needed for Secure Boot */
+	. += SB_TRAILER_SIZE; /* make sure .sb.trailer does not overwrite the previous section */
+	. = ALIGN(4096) - SB_TRAILER_SIZE;
+	.sb.trailer : {
+		QUAD(0)
+		QUAD(0)
+		QUAD(0)
+		QUAD(0x000000207a49504c)
 	}
 	_end = .;
 
diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h
index e08c882dccaa..eaeaeb3ff0be 100644
--- a/arch/s390/include/asm/futex.h
+++ b/arch/s390/include/asm/futex.h
@@ -17,7 +17,8 @@
 		"3: jl    1b\n"						\
 		"   lhi   %0,0\n"					\
 		"4: sacf  768\n"					\
-		EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b)		\
+		EX_TABLE(0b,4b) EX_TABLE(1b,4b)				\
+		EX_TABLE(2b,4b) EX_TABLE(3b,4b)				\
 		: "=d" (ret), "=&d" (oldval), "=&d" (newval),		\
 		  "=m" (*uaddr)						\
 		: "0" (-EFAULT), "d" (oparg), "a" (uaddr),		\
diff --git a/arch/s390/kernel/perf_pai_ext.c b/arch/s390/kernel/perf_pai_ext.c
index d5c7c1e30c17..74b53c531e0c 100644
--- a/arch/s390/kernel/perf_pai_ext.c
+++ b/arch/s390/kernel/perf_pai_ext.c
@@ -459,6 +459,7 @@ static int paiext_push_sample(void)
 		raw.frag.data = cpump->save;
 		raw.size = raw.frag.size;
 		data.raw = &raw;
+		data.sample_flags |= PERF_SAMPLE_RAW;
 	}
 
 	overflow = perf_event_overflow(event, &data, &regs);
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c
index 58033dfcb6d4..720036fb1924 100644
--- a/arch/s390/lib/uaccess.c
+++ b/arch/s390/lib/uaccess.c
@@ -157,7 +157,7 @@ unsigned long __clear_user(void __user *to, unsigned long size)
 	asm volatile(
 		"   lr	  0,%[spec]\n"
 		"0: mvcos 0(%1),0(%4),%0\n"
-		"   jz	  4f\n"
+		"6: jz	  4f\n"
 		"1: algr  %0,%2\n"
 		"   slgr  %1,%2\n"
 		"   j	  0b\n"
@@ -167,11 +167,11 @@ unsigned long __clear_user(void __user *to, unsigned long size)
 		"   clgr  %0,%3\n"	/* copy crosses next page boundary? */
 		"   jnh	  5f\n"
 		"3: mvcos 0(%1),0(%4),%3\n"
-		"   slgr  %0,%3\n"
+		"7: slgr  %0,%3\n"
 		"   j	  5f\n"
 		"4: slgr  %0,%0\n"
 		"5:\n"
-		EX_TABLE(0b,2b) EX_TABLE(3b,5b)
+		EX_TABLE(0b,2b) EX_TABLE(6b,2b) EX_TABLE(3b,5b) EX_TABLE(7b,5b)
 		: "+a" (size), "+a" (to), "+a" (tmp1), "=a" (tmp2)
 		: "a" (empty_zero_page), [spec] "d" (spec.val)
 		: "cc", "memory", "0");
diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c
index 080c88620723..588089332931 100644
--- a/arch/s390/pci/pci_mmio.c
+++ b/arch/s390/pci/pci_mmio.c
@@ -64,7 +64,7 @@ static inline int __pcistg_mio_inuser(
 	asm volatile (
 		"       sacf    256\n"
 		"0:     llgc    %[tmp],0(%[src])\n"
-		"       sllg    %[val],%[val],8\n"
+		"4:	sllg	%[val],%[val],8\n"
 		"       aghi    %[src],1\n"
 		"       ogr     %[val],%[tmp]\n"
 		"       brctg   %[cnt],0b\n"
@@ -72,7 +72,7 @@ static inline int __pcistg_mio_inuser(
 		"2:     ipm     %[cc]\n"
 		"       srl     %[cc],28\n"
 		"3:     sacf    768\n"
-		EX_TABLE(0b, 3b) EX_TABLE(1b, 3b) EX_TABLE(2b, 3b)
+		EX_TABLE(0b, 3b) EX_TABLE(4b, 3b) EX_TABLE(1b, 3b) EX_TABLE(2b, 3b)
 		:
 		[src] "+a" (src), [cnt] "+d" (cnt),
 		[val] "+d" (val), [tmp] "=d" (tmp),
@@ -215,10 +215,10 @@ static inline int __pcilg_mio_inuser(
 		"2:     ahi     %[shift],-8\n"
 		"       srlg    %[tmp],%[val],0(%[shift])\n"
 		"3:     stc     %[tmp],0(%[dst])\n"
-		"       aghi    %[dst],1\n"
+		"5:	aghi	%[dst],1\n"
 		"       brctg   %[cnt],2b\n"
 		"4:     sacf    768\n"
-		EX_TABLE(0b, 4b) EX_TABLE(1b, 4b) EX_TABLE(3b, 4b)
+		EX_TABLE(0b, 4b) EX_TABLE(1b, 4b) EX_TABLE(3b, 4b) EX_TABLE(5b, 4b)
 		:
 		[ioaddr_len] "+&d" (ioaddr_len.pair),
 		[cc] "+d" (cc), [val] "=d" (val),
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 913b6ddd040b..c7db95398500 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -753,13 +753,9 @@ static int __unset_online(struct device *dev, void *data)
 {
 	struct idset *set = data;
 	struct subchannel *sch = to_subchannel(dev);
-	struct ccw_device *cdev;
 
-	if (sch->st == SUBCHANNEL_TYPE_IO) {
-		cdev = sch_get_cdev(sch);
-		if (cdev && cdev->online)
-			idset_sch_del(set, sch->schid);
-	}
+	if (sch->st == SUBCHANNEL_TYPE_IO && sch->config.ena)
+		idset_sch_del(set, sch->schid);
 
 	return 0;
 }
diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vfio_ap_private.h
index 2eddd5f34ed3..976a65f32e7d 100644
--- a/drivers/s390/crypto/vfio_ap_private.h
+++ b/drivers/s390/crypto/vfio_ap_private.h
@@ -52,7 +52,7 @@ struct ap_matrix_dev {
 	struct mutex guests_lock; /* serializes access to each KVM guest */
 	struct mdev_parent parent;
 	struct mdev_type mdev_type;
-	struct mdev_type *mdev_types[];
+	struct mdev_type *mdev_types[1];
 };
 
 extern struct ap_matrix_dev *matrix_dev;