[GIT PULL] s390 patches for 2.6.35-rc2

From: Martin Schwidefsky
Date: Tue Jun 08 2010 - 14:09:05 EST


Hi Linus,

please pull from 'for-linus' branch of

git://git390.marist.edu/pub/scm/linux-2.6.git for-linus

to receive the following three bug fixes and a defconfig update:

Heiko Carstens (1):
[S390] appldata/extmem/kvm: add missing GFP_KERNEL flag

Hendrik Brueckner (1):
[S390] kprobes: add parameter check to module_free()

Julia Lawall (1):
[S390] arch/s390/kvm: Use GFP_ATOMIC when a lock is held

Martin Schwidefsky (1):
[S390] Update default configuration.

arch/s390/appldata/appldata_os.c | 2 +-
arch/s390/defconfig | 23 +++++++++++++----------
arch/s390/kernel/module.c | 6 ++++--
arch/s390/kvm/kvm-s390.c | 2 +-
arch/s390/kvm/sigp.c | 2 +-
arch/s390/mm/extmem.c | 19 ++++++++++---------
drivers/s390/cio/itcw.c | 2 +-
7 files changed, 31 insertions(+), 25 deletions(-)

diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c
index 55c80ff..92f1cb7 100644
--- a/arch/s390/appldata/appldata_os.c
+++ b/arch/s390/appldata/appldata_os.c
@@ -181,7 +181,7 @@ static int __init appldata_os_init(void)
goto out;
}

- appldata_os_data = kzalloc(max_size, GFP_DMA);
+ appldata_os_data = kzalloc(max_size, GFP_KERNEL | GFP_DMA);
if (appldata_os_data == NULL) {
rc = -ENOMEM;
goto out;
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index bcd6884..253f158 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.34-rc3
-# Fri Apr 9 09:57:10 2010
+# Linux kernel version: 2.6.35-rc1
+# Fri Jun 4 11:32:40 2010
#
CONFIG_SCHED_MC=y
CONFIG_MMU=y
@@ -35,11 +35,13 @@ CONFIG_CONSTRUCTORS=y
CONFIG_EXPERIMENTAL=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_CROSS_COMPILE=""
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_BZIP2=y
CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
@@ -77,6 +79,7 @@ CONFIG_CGROUP_NS=y
# CONFIG_CGROUP_CPUACCT is not set
# CONFIG_RESOURCE_COUNTERS is not set
# CONFIG_CGROUP_SCHED is not set
+# CONFIG_BLK_CGROUP is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
# CONFIG_RELAY is not set
@@ -157,7 +160,6 @@ CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
CONFIG_BLK_DEV_BSG=y
# CONFIG_BLK_DEV_INTEGRITY is not set
-# CONFIG_BLK_CGROUP is not set
CONFIG_BLOCK_COMPAT=y

#
@@ -166,7 +168,6 @@ CONFIG_BLOCK_COMPAT=y
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
-# CONFIG_CFQ_GROUP_IOSCHED is not set
CONFIG_DEFAULT_DEADLINE=y
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
@@ -247,7 +248,6 @@ CONFIG_64BIT=y
CONFIG_SMP=y
CONFIG_NR_CPUS=32
CONFIG_HOTPLUG_CPU=y
-# CONFIG_SCHED_BOOK is not set
CONFIG_COMPAT=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_AUDIT_ARCH=y
@@ -320,7 +320,6 @@ CONFIG_COMPAT_BINFMT_ELF=y
# CONFIG_HAVE_AOUT is not set
CONFIG_BINFMT_MISC=m
CONFIG_FORCE_MAX_ZONEORDER=9
-# CONFIG_PROCESS_DEBUG is not set
CONFIG_PFAULT=y
# CONFIG_SHARED_KERNEL is not set
# CONFIG_CMM is not set
@@ -457,6 +456,7 @@ CONFIG_NF_CONNTRACK=m
# CONFIG_IP6_NF_IPTABLES is not set
# CONFIG_IP_DCCP is not set
CONFIG_IP_SCTP=m
+# CONFIG_NET_SCTPPROBE is not set
# CONFIG_SCTP_DBG_MSG is not set
# CONFIG_SCTP_DBG_OBJCNT is not set
# CONFIG_SCTP_HMAC_NONE is not set
@@ -465,6 +465,7 @@ CONFIG_SCTP_HMAC_MD5=y
# CONFIG_RDS is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
+# CONFIG_L2TP is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
@@ -525,6 +526,7 @@ CONFIG_NET_ACT_NAT=m
# CONFIG_NET_CLS_IND is not set
CONFIG_NET_SCH_FIFO=y
# CONFIG_DCB is not set
+CONFIG_RPS=y

#
# Network testing
@@ -546,6 +548,7 @@ CONFIG_CAN_VCAN=m
# CONFIG_WIMAX is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
+# CONFIG_CAIF is not set
# CONFIG_PCMCIA is not set
CONFIG_CCW=y

@@ -728,6 +731,7 @@ CONFIG_VIRTIO_NET=m
# Character devices
#
CONFIG_DEVKMEM=y
+# CONFIG_N_GSM is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
@@ -775,6 +779,7 @@ CONFIG_S390_TAPE_34XX=m
# CONFIG_MONREADER is not set
CONFIG_MONWRITER=m
CONFIG_S390_VMUR=m
+# CONFIG_RAMOOPS is not set

#
# PPS support
@@ -788,10 +793,6 @@ CONFIG_S390_VMUR=m
# CONFIG_NEW_LEDS is not set
CONFIG_ACCESSIBILITY=y
# CONFIG_AUXDISPLAY is not set
-
-#
-# TI VLYNQ
-#
# CONFIG_STAGING is not set

#
@@ -976,6 +977,7 @@ CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
# CONFIG_LKDTM is not set
+# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
@@ -1010,6 +1012,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
CONFIG_KPROBE_EVENT=y
# CONFIG_RING_BUFFER_BENCHMARK is not set
# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
CONFIG_SAMPLES=y
# CONFIG_SAMPLE_TRACEPOINTS is not set
# CONFIG_SAMPLE_TRACE_EVENTS is not set
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 639380a..22cfd63 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -55,8 +55,10 @@ void *module_alloc(unsigned long size)
/* Free memory returned from module_alloc */
void module_free(struct module *mod, void *module_region)
{
- vfree(mod->arch.syminfo);
- mod->arch.syminfo = NULL;
+ if (mod) {
+ vfree(mod->arch.syminfo);
+ mod->arch.syminfo = NULL;
+ }
vfree(module_region);
}

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 8093e6f..ae37058 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -761,7 +761,7 @@ static int __init kvm_s390_init(void)
* to hold the maximum amount of facilites. On the other hand, we
* only set facilities that are known to work in KVM.
*/
- facilities = (unsigned long long *) get_zeroed_page(GFP_DMA);
+ facilities = (unsigned long long *) get_zeroed_page(GFP_KERNEL|GFP_DMA);
if (!facilities) {
kvm_exit();
return -ENOMEM;
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index eff3c59..702276f 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -113,7 +113,7 @@ static int __inject_sigp_stop(struct kvm_s390_local_interrupt *li, int action)
{
struct kvm_s390_interrupt_info *inti;

- inti = kzalloc(sizeof(*inti), GFP_KERNEL);
+ inti = kzalloc(sizeof(*inti), GFP_ATOMIC);
if (!inti)
return -ENOMEM;
inti->type = KVM_S390_SIGP_STOP;
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 6409fd5..3cc95dd 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -105,7 +105,7 @@ static int
dcss_set_subcodes(void)
{
#ifdef CONFIG_64BIT
- char *name = kmalloc(8 * sizeof(char), GFP_DMA);
+ char *name = kmalloc(8 * sizeof(char), GFP_KERNEL | GFP_DMA);
unsigned long rx, ry;
int rc;

@@ -252,12 +252,13 @@ dcss_diag_translate_rc (int vm_rc) {
static int
query_segment_type (struct dcss_segment *seg)
{
- struct qin64 *qin = kmalloc (sizeof(struct qin64), GFP_DMA);
- struct qout64 *qout = kmalloc (sizeof(struct qout64), GFP_DMA);
-
- int diag_cc, rc, i;
unsigned long dummy, vmrc;
+ int diag_cc, rc, i;
+ struct qout64 *qout;
+ struct qin64 *qin;

+ qin = kmalloc(sizeof(*qin), GFP_KERNEL | GFP_DMA);
+ qout = kmalloc(sizeof(*qout), GFP_KERNEL | GFP_DMA);
if ((qin == NULL) || (qout == NULL)) {
rc = -ENOMEM;
goto out_free;
@@ -286,7 +287,7 @@ query_segment_type (struct dcss_segment *seg)
copy data for the new format. */
if (segext_scode == DCSS_SEGEXT) {
struct qout64_old *qout_old;
- qout_old = kzalloc(sizeof(struct qout64_old), GFP_DMA);
+ qout_old = kzalloc(sizeof(*qout_old), GFP_KERNEL | GFP_DMA);
if (qout_old == NULL) {
rc = -ENOMEM;
goto out_free;
@@ -407,11 +408,11 @@ segment_overlaps_others (struct dcss_segment *seg)
static int
__segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long *end)
{
- struct dcss_segment *seg = kmalloc(sizeof(struct dcss_segment),
- GFP_DMA);
- int rc, diag_cc;
unsigned long start_addr, end_addr, dummy;
+ struct dcss_segment *seg;
+ int rc, diag_cc;

+ seg = kmalloc(sizeof(*seg), GFP_KERNEL | GFP_DMA);
if (seg == NULL) {
rc = -ENOMEM;
goto out;
diff --git a/drivers/s390/cio/itcw.c b/drivers/s390/cio/itcw.c
index 17da9ab..a0ae295 100644
--- a/drivers/s390/cio/itcw.c
+++ b/drivers/s390/cio/itcw.c
@@ -42,7 +42,7 @@
* size_t size;
*
* size = itcw_calc_size(1, 2, 0);
- * buffer = kmalloc(size, GFP_DMA);
+ * buffer = kmalloc(size, GFP_KERNEL | GFP_DMA);
* if (!buffer)
* return -ENOMEM;
* itcw = itcw_init(buffer, size, ITCW_OP_READ, 1, 2, 0);
--
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