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Date: Fri, 25 Mar 2011 13:18:27 +0100
From: Martin Schwidefsky <schwidefsky@...ibm.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel <linux-kernel@...r.kernel.org>,
linux-s390 <linux-s390@...r.kernel.org>,
Heiko Carstens <heiko.carstens@...ibm.com>
Subject: [GIT PULL] s390 patches for 2.6.39 #2
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 updates:
Chen Liu (1):
[S390] early: Fix possible overlapping data buffer
Heiko Carstens (10):
[S390] early: limit savesys cmd string handling
[S390] oprofile: disable hw sampling for CONFIG_32BIT
[S390] wire up sys_name_to_handle_at
[S390] wire up sys_open_by_handle_at
[S390] wire up sys_clock_adjtime
[S390] wire up sys_syncfs
[S390] setup: simplify setup_resources()
[S390] setup: register bss section as resource
[S390] xchg/cmpxchg: move to own header file
[S390] cmpxchg: implement cmpxchg64()
Jan Glauber (1):
[S390] qdio: prevent handling of buffers if count is zero
Sebastian Ott (3):
[S390] ccw_driver: remove duplicate members
[S390] ccw_bus_type: make it static
[S390] ccwgroup_driver: remove duplicate members
arch/s390/include/asm/ccwdev.h | 4 -
arch/s390/include/asm/ccwgroup.h | 4 -
arch/s390/include/asm/cmpxchg.h | 225 +++++++++++++++++++++++++++++++++++++
arch/s390/include/asm/system.h | 196 +--------------------------------
arch/s390/include/asm/unistd.h | 6 +-
arch/s390/kernel/compat_wrapper.S | 27 +++++
arch/s390/kernel/early.c | 22 ++--
arch/s390/kernel/setup.c | 88 +++++++--------
arch/s390/kernel/syscalls.S | 4 +
arch/s390/oprofile/Makefile | 3 +-
arch/s390/oprofile/init.c | 15 ++-
drivers/s390/block/dasd_eckd.c | 6 +-
drivers/s390/block/dasd_fba.c | 6 +-
drivers/s390/char/con3215.c | 6 +-
drivers/s390/char/raw3270.c | 6 +-
drivers/s390/char/tape_34xx.c | 6 +-
drivers/s390/char/tape_3590.c | 6 +-
drivers/s390/char/vmur.c | 6 +-
drivers/s390/cio/ccwgroup.c | 6 +-
drivers/s390/cio/device.c | 11 +-
drivers/s390/cio/device.h | 1 -
drivers/s390/cio/qdio_main.c | 3 +-
drivers/s390/net/claw.c | 12 ++-
drivers/s390/net/ctcm_main.c | 12 ++-
drivers/s390/net/lcs.c | 12 ++-
drivers/s390/net/qeth_core_main.c | 10 +-
drivers/s390/scsi/zfcp_ccw.c | 6 +-
27 files changed, 403 insertions(+), 306 deletions(-)
create mode 100644 arch/s390/include/asm/cmpxchg.h
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index ff6f62e..623f2fb 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -112,7 +112,6 @@ enum uc_todo {
/**
* struct ccw driver - device driver for channel attached devices
- * @owner: owning module
* @ids: ids supported by this driver
* @probe: function called on probe
* @remove: function called on remove
@@ -128,10 +127,8 @@ enum uc_todo {
* @restore: callback for restoring after hibernation
* @uc_handler: callback for unit check handler
* @driver: embedded device driver structure
- * @name: device driver name
*/
struct ccw_driver {
- struct module *owner;
struct ccw_device_id *ids;
int (*probe) (struct ccw_device *);
void (*remove) (struct ccw_device *);
@@ -147,7 +144,6 @@ struct ccw_driver {
int (*restore)(struct ccw_device *);
enum uc_todo (*uc_handler) (struct ccw_device *, struct irb *);
struct device_driver driver;
- char *name;
};
extern struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv,
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index c79c1e7..f2ea2c5 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -29,8 +29,6 @@ struct ccwgroup_device {
/**
* struct ccwgroup_driver - driver for ccw group devices
- * @owner: driver owner
- * @name: driver name
* @max_slaves: maximum number of slave devices
* @driver_id: unique id
* @probe: function called on probe
@@ -46,8 +44,6 @@ struct ccwgroup_device {
* @driver: embedded driver structure
*/
struct ccwgroup_driver {
- struct module *owner;
- char *name;
int max_slaves;
unsigned long driver_id;
diff --git a/arch/s390/include/asm/cmpxchg.h b/arch/s390/include/asm/cmpxchg.h
new file mode 100644
index 0000000..7488e52
--- /dev/null
+++ b/arch/s390/include/asm/cmpxchg.h
@@ -0,0 +1,225 @@
+/*
+ * Copyright IBM Corp. 1999, 2011
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@...ibm.com>,
+ */
+
+#ifndef __ASM_CMPXCHG_H
+#define __ASM_CMPXCHG_H
+
+#include <linux/types.h>
+
+extern void __xchg_called_with_bad_pointer(void);
+
+static inline unsigned long __xchg(unsigned long x, void *ptr, int size)
+{
+ unsigned long addr, old;
+ int shift;
+
+ switch (size) {
+ case 1:
+ addr = (unsigned long) ptr;
+ shift = (3 ^ (addr & 3)) << 3;
+ addr ^= addr & 3;
+ asm volatile(
+ " l %0,%4\n"
+ "0: lr 0,%0\n"
+ " nr 0,%3\n"
+ " or 0,%2\n"
+ " cs %0,0,%4\n"
+ " jl 0b\n"
+ : "=&d" (old), "=Q" (*(int *) addr)
+ : "d" (x << shift), "d" (~(255 << shift)),
+ "Q" (*(int *) addr) : "memory", "cc", "0");
+ return old >> shift;
+ case 2:
+ addr = (unsigned long) ptr;
+ shift = (2 ^ (addr & 2)) << 3;
+ addr ^= addr & 2;
+ asm volatile(
+ " l %0,%4\n"
+ "0: lr 0,%0\n"
+ " nr 0,%3\n"
+ " or 0,%2\n"
+ " cs %0,0,%4\n"
+ " jl 0b\n"
+ : "=&d" (old), "=Q" (*(int *) addr)
+ : "d" (x << shift), "d" (~(65535 << shift)),
+ "Q" (*(int *) addr) : "memory", "cc", "0");
+ return old >> shift;
+ case 4:
+ asm volatile(
+ " l %0,%3\n"
+ "0: cs %0,%2,%3\n"
+ " jl 0b\n"
+ : "=&d" (old), "=Q" (*(int *) ptr)
+ : "d" (x), "Q" (*(int *) ptr)
+ : "memory", "cc");
+ return old;
+#ifdef CONFIG_64BIT
+ case 8:
+ asm volatile(
+ " lg %0,%3\n"
+ "0: csg %0,%2,%3\n"
+ " jl 0b\n"
+ : "=&d" (old), "=m" (*(long *) ptr)
+ : "d" (x), "Q" (*(long *) ptr)
+ : "memory", "cc");
+ return old;
+#endif /* CONFIG_64BIT */
+ }
+ __xchg_called_with_bad_pointer();
+ return x;
+}
+
+#define xchg(ptr, x) \
+({ \
+ __typeof__(*(ptr)) __ret; \
+ __ret = (__typeof__(*(ptr))) \
+ __xchg((unsigned long)(x), (void *)(ptr), sizeof(*(ptr)));\
+ __ret; \
+})
+
+/*
+ * Atomic compare and exchange. Compare OLD with MEM, if identical,
+ * store NEW in MEM. Return the initial value in MEM. Success is
+ * indicated by comparing RETURN with OLD.
+ */
+
+#define __HAVE_ARCH_CMPXCHG
+
+extern void __cmpxchg_called_with_bad_pointer(void);
+
+static inline unsigned long __cmpxchg(void *ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ unsigned long addr, prev, tmp;
+ int shift;
+
+ switch (size) {
+ case 1:
+ addr = (unsigned long) ptr;
+ shift = (3 ^ (addr & 3)) << 3;
+ addr ^= addr & 3;
+ asm volatile(
+ " l %0,%2\n"
+ "0: nr %0,%5\n"
+ " lr %1,%0\n"
+ " or %0,%3\n"
+ " or %1,%4\n"
+ " cs %0,%1,%2\n"
+ " jnl 1f\n"
+ " xr %1,%0\n"
+ " nr %1,%5\n"
+ " jnz 0b\n"
+ "1:"
+ : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr)
+ : "d" (old << shift), "d" (new << shift),
+ "d" (~(255 << shift)), "Q" (*(int *) ptr)
+ : "memory", "cc");
+ return prev >> shift;
+ case 2:
+ addr = (unsigned long) ptr;
+ shift = (2 ^ (addr & 2)) << 3;
+ addr ^= addr & 2;
+ asm volatile(
+ " l %0,%2\n"
+ "0: nr %0,%5\n"
+ " lr %1,%0\n"
+ " or %0,%3\n"
+ " or %1,%4\n"
+ " cs %0,%1,%2\n"
+ " jnl 1f\n"
+ " xr %1,%0\n"
+ " nr %1,%5\n"
+ " jnz 0b\n"
+ "1:"
+ : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr)
+ : "d" (old << shift), "d" (new << shift),
+ "d" (~(65535 << shift)), "Q" (*(int *) ptr)
+ : "memory", "cc");
+ return prev >> shift;
+ case 4:
+ asm volatile(
+ " cs %0,%3,%1\n"
+ : "=&d" (prev), "=Q" (*(int *) ptr)
+ : "0" (old), "d" (new), "Q" (*(int *) ptr)
+ : "memory", "cc");
+ return prev;
+#ifdef CONFIG_64BIT
+ case 8:
+ asm volatile(
+ " csg %0,%3,%1\n"
+ : "=&d" (prev), "=Q" (*(long *) ptr)
+ : "0" (old), "d" (new), "Q" (*(long *) ptr)
+ : "memory", "cc");
+ return prev;
+#endif /* CONFIG_64BIT */
+ }
+ __cmpxchg_called_with_bad_pointer();
+ return old;
+}
+
+#define cmpxchg(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))))
+
+#ifdef CONFIG_64BIT
+#define cmpxchg64(ptr, o, n) \
+({ \
+ BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
+ cmpxchg((ptr), (o), (n)); \
+})
+#else /* CONFIG_64BIT */
+static inline unsigned long long __cmpxchg64(void *ptr,
+ unsigned long long old,
+ unsigned long long new)
+{
+ register_pair rp_old = {.pair = old};
+ register_pair rp_new = {.pair = new};
+
+ asm volatile(
+ " cds %0,%2,%1"
+ : "+&d" (rp_old), "=Q" (ptr)
+ : "d" (rp_new), "Q" (ptr)
+ : "cc");
+ return rp_old.pair;
+}
+#define cmpxchg64(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg64((ptr), \
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))
+#endif /* CONFIG_64BIT */
+
+#include <asm-generic/cmpxchg-local.h>
+
+static inline unsigned long __cmpxchg_local(void *ptr,
+ unsigned long old,
+ unsigned long new, int size)
+{
+ switch (size) {
+ case 1:
+ case 2:
+ case 4:
+#ifdef CONFIG_64BIT
+ case 8:
+#endif
+ return __cmpxchg(ptr, old, new, size);
+ default:
+ return __cmpxchg_local_generic(ptr, old, new, size);
+ }
+
+ return old;
+}
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))))
+
+#define cmpxchg64_local(ptr, o, n) cmpxchg64((ptr), (o), (n))
+
+#endif /* __ASM_CMPXCHG_H */
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index 8f8d759..d382629 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -14,6 +14,7 @@
#include <asm/setup.h>
#include <asm/processor.h>
#include <asm/lowcore.h>
+#include <asm/cmpxchg.h>
#ifdef __KERNEL__
@@ -120,161 +121,6 @@ extern int memcpy_real(void *, void *, size_t);
#define nop() asm volatile("nop")
-#define xchg(ptr,x) \
-({ \
- __typeof__(*(ptr)) __ret; \
- __ret = (__typeof__(*(ptr))) \
- __xchg((unsigned long)(x), (void *)(ptr),sizeof(*(ptr))); \
- __ret; \
-})
-
-extern void __xchg_called_with_bad_pointer(void);
-
-static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
-{
- unsigned long addr, old;
- int shift;
-
- switch (size) {
- case 1:
- addr = (unsigned long) ptr;
- shift = (3 ^ (addr & 3)) << 3;
- addr ^= addr & 3;
- asm volatile(
- " l %0,%4\n"
- "0: lr 0,%0\n"
- " nr 0,%3\n"
- " or 0,%2\n"
- " cs %0,0,%4\n"
- " jl 0b\n"
- : "=&d" (old), "=Q" (*(int *) addr)
- : "d" (x << shift), "d" (~(255 << shift)),
- "Q" (*(int *) addr) : "memory", "cc", "0");
- return old >> shift;
- case 2:
- addr = (unsigned long) ptr;
- shift = (2 ^ (addr & 2)) << 3;
- addr ^= addr & 2;
- asm volatile(
- " l %0,%4\n"
- "0: lr 0,%0\n"
- " nr 0,%3\n"
- " or 0,%2\n"
- " cs %0,0,%4\n"
- " jl 0b\n"
- : "=&d" (old), "=Q" (*(int *) addr)
- : "d" (x << shift), "d" (~(65535 << shift)),
- "Q" (*(int *) addr) : "memory", "cc", "0");
- return old >> shift;
- case 4:
- asm volatile(
- " l %0,%3\n"
- "0: cs %0,%2,%3\n"
- " jl 0b\n"
- : "=&d" (old), "=Q" (*(int *) ptr)
- : "d" (x), "Q" (*(int *) ptr)
- : "memory", "cc");
- return old;
-#ifdef __s390x__
- case 8:
- asm volatile(
- " lg %0,%3\n"
- "0: csg %0,%2,%3\n"
- " jl 0b\n"
- : "=&d" (old), "=m" (*(long *) ptr)
- : "d" (x), "Q" (*(long *) ptr)
- : "memory", "cc");
- return old;
-#endif /* __s390x__ */
- }
- __xchg_called_with_bad_pointer();
- return x;
-}
-
-/*
- * Atomic compare and exchange. Compare OLD with MEM, if identical,
- * store NEW in MEM. Return the initial value in MEM. Success is
- * indicated by comparing RETURN with OLD.
- */
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-#define cmpxchg(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))))
-
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-static inline unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
-{
- unsigned long addr, prev, tmp;
- int shift;
-
- switch (size) {
- case 1:
- addr = (unsigned long) ptr;
- shift = (3 ^ (addr & 3)) << 3;
- addr ^= addr & 3;
- asm volatile(
- " l %0,%2\n"
- "0: nr %0,%5\n"
- " lr %1,%0\n"
- " or %0,%3\n"
- " or %1,%4\n"
- " cs %0,%1,%2\n"
- " jnl 1f\n"
- " xr %1,%0\n"
- " nr %1,%5\n"
- " jnz 0b\n"
- "1:"
- : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr)
- : "d" (old << shift), "d" (new << shift),
- "d" (~(255 << shift)), "Q" (*(int *) ptr)
- : "memory", "cc");
- return prev >> shift;
- case 2:
- addr = (unsigned long) ptr;
- shift = (2 ^ (addr & 2)) << 3;
- addr ^= addr & 2;
- asm volatile(
- " l %0,%2\n"
- "0: nr %0,%5\n"
- " lr %1,%0\n"
- " or %0,%3\n"
- " or %1,%4\n"
- " cs %0,%1,%2\n"
- " jnl 1f\n"
- " xr %1,%0\n"
- " nr %1,%5\n"
- " jnz 0b\n"
- "1:"
- : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr)
- : "d" (old << shift), "d" (new << shift),
- "d" (~(65535 << shift)), "Q" (*(int *) ptr)
- : "memory", "cc");
- return prev >> shift;
- case 4:
- asm volatile(
- " cs %0,%3,%1\n"
- : "=&d" (prev), "=Q" (*(int *) ptr)
- : "0" (old), "d" (new), "Q" (*(int *) ptr)
- : "memory", "cc");
- return prev;
-#ifdef __s390x__
- case 8:
- asm volatile(
- " csg %0,%3,%1\n"
- : "=&d" (prev), "=Q" (*(long *) ptr)
- : "0" (old), "d" (new), "Q" (*(long *) ptr)
- : "memory", "cc");
- return prev;
-#endif /* __s390x__ */
- }
- __cmpxchg_called_with_bad_pointer();
- return old;
-}
-
/*
* Force strict CPU ordering.
* And yes, this is required on UP too when we're talking
@@ -353,46 +199,6 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
__ctl_load(__dummy, cr, cr); \
})
-#include <linux/irqflags.h>
-
-#include <asm-generic/cmpxchg-local.h>
-
-static inline unsigned long __cmpxchg_local(volatile void *ptr,
- unsigned long old,
- unsigned long new, int size)
-{
- switch (size) {
- case 1:
- case 2:
- case 4:
-#ifdef __s390x__
- case 8:
-#endif
- return __cmpxchg(ptr, old, new, size);
- default:
- return __cmpxchg_local_generic(ptr, old, new, size);
- }
-
- return old;
-}
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))))
-#ifdef __s390x__
-#define cmpxchg64_local(ptr, o, n) \
- ({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg_local((ptr), (o), (n)); \
- })
-#else
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-#endif
-
/*
* Use to set psw mask except for the first byte which
* won't be changed by this function.
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 1049ef2..e821525 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -272,7 +272,11 @@
#define __NR_fanotify_init 332
#define __NR_fanotify_mark 333
#define __NR_prlimit64 334
-#define NR_syscalls 335
+#define __NR_name_to_handle_at 335
+#define __NR_open_by_handle_at 336
+#define __NR_clock_adjtime 337
+#define __NR_syncfs 338
+#define NR_syscalls 339
/*
* There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 8e60fb2..1dc96ea 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1877,3 +1877,30 @@ sys_prlimit64_wrapper:
llgtr %r4,%r4 # const struct rlimit64 __user *
llgtr %r5,%r5 # struct rlimit64 __user *
jg sys_prlimit64 # branch to system call
+
+ .globl sys_name_to_handle_at_wrapper
+sys_name_to_handle_at_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # const char __user *
+ llgtr %r4,%r4 # struct file_handle __user *
+ llgtr %r5,%r5 # int __user *
+ lgfr %r6,%r6 # int
+ jg sys_name_to_handle_at
+
+ .globl compat_sys_open_by_handle_at_wrapper
+compat_sys_open_by_handle_at_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # struct file_handle __user *
+ lgfr %r4,%r4 # int
+ jg compat_sys_open_by_handle_at
+
+ .globl compat_sys_clock_adjtime_wrapper
+compat_sys_clock_adjtime_wrapper:
+ lgfr %r2,%r2 # clockid_t (int)
+ llgtr %r3,%r3 # struct compat_timex __user *
+ jg compat_sys_clock_adjtime
+
+ .globl sys_syncfs_wrapper
+sys_syncfs_wrapper:
+ lgfr %r2,%r2 # int
+ jg sys_syncfs
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 3b7e7dd..068f846 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -94,6 +94,7 @@ static noinline __init void create_kernel_nss(void)
unsigned int sinitrd_pfn, einitrd_pfn;
#endif
int response;
+ int hlen;
size_t len;
char *savesys_ptr;
char defsys_cmd[DEFSYS_CMD_SIZE];
@@ -124,24 +125,27 @@ static noinline __init void create_kernel_nss(void)
end_pfn = PFN_UP(__pa(&_end));
min_size = end_pfn << 2;
- sprintf(defsys_cmd, "DEFSYS %s 00000-%.5X EW %.5X-%.5X SR %.5X-%.5X",
- kernel_nss_name, stext_pfn - 1, stext_pfn, eshared_pfn - 1,
- eshared_pfn, end_pfn);
+ hlen = snprintf(defsys_cmd, DEFSYS_CMD_SIZE,
+ "DEFSYS %s 00000-%.5X EW %.5X-%.5X SR %.5X-%.5X",
+ kernel_nss_name, stext_pfn - 1, stext_pfn,
+ eshared_pfn - 1, eshared_pfn, end_pfn);
#ifdef CONFIG_BLK_DEV_INITRD
if (INITRD_START && INITRD_SIZE) {
sinitrd_pfn = PFN_DOWN(__pa(INITRD_START));
einitrd_pfn = PFN_UP(__pa(INITRD_START + INITRD_SIZE));
min_size = einitrd_pfn << 2;
- sprintf(defsys_cmd, "%s EW %.5X-%.5X", defsys_cmd,
- sinitrd_pfn, einitrd_pfn);
+ hlen += snprintf(defsys_cmd + hlen, DEFSYS_CMD_SIZE - hlen,
+ " EW %.5X-%.5X", sinitrd_pfn, einitrd_pfn);
}
#endif
- sprintf(defsys_cmd, "%s EW MINSIZE=%.7iK PARMREGS=0-13",
- defsys_cmd, min_size);
- sprintf(savesys_cmd, "SAVESYS %s \n IPL %s",
- kernel_nss_name, kernel_nss_name);
+ snprintf(defsys_cmd + hlen, DEFSYS_CMD_SIZE - hlen,
+ " EW MINSIZE=%.7iK PARMREGS=0-13", min_size);
+ defsys_cmd[DEFSYS_CMD_SIZE - 1] = '\0';
+ snprintf(savesys_cmd, SAVESYS_CMD_SIZE, "SAVESYS %s \n IPL %s",
+ kernel_nss_name, kernel_nss_name);
+ savesys_cmd[SAVESYS_CMD_SIZE - 1] = '\0';
__cpcmd(defsys_cmd, NULL, 0, &response);
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 6f63508..ed183c2 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -102,16 +102,6 @@ EXPORT_SYMBOL(lowcore_ptr);
#include <asm/setup.h>
-static struct resource code_resource = {
- .name = "Kernel code",
- .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
-};
-
-static struct resource data_resource = {
- .name = "Kernel data",
- .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
-};
-
/*
* condev= and conmode= setup parameter.
*/
@@ -436,21 +426,43 @@ setup_lowcore(void)
lowcore_ptr[0] = lc;
}
-static void __init
-setup_resources(void)
+static struct resource code_resource = {
+ .name = "Kernel code",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
+};
+
+static struct resource data_resource = {
+ .name = "Kernel data",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
+};
+
+static struct resource bss_resource = {
+ .name = "Kernel bss",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
+};
+
+static struct resource __initdata *standard_resources[] = {
+ &code_resource,
+ &data_resource,
+ &bss_resource,
+};
+
+static void __init setup_resources(void)
{
- struct resource *res, *sub_res;
- int i;
+ struct resource *res, *std_res, *sub_res;
+ int i, j;
code_resource.start = (unsigned long) &_text;
code_resource.end = (unsigned long) &_etext - 1;
data_resource.start = (unsigned long) &_etext;
data_resource.end = (unsigned long) &_edata - 1;
+ bss_resource.start = (unsigned long) &__bss_start;
+ bss_resource.end = (unsigned long) &__bss_stop - 1;
for (i = 0; i < MEMORY_CHUNKS; i++) {
if (!memory_chunk[i].size)
continue;
- res = alloc_bootmem_low(sizeof(struct resource));
+ res = alloc_bootmem_low(sizeof(*res));
res->flags = IORESOURCE_BUSY | IORESOURCE_MEM;
switch (memory_chunk[i].type) {
case CHUNK_READ_WRITE:
@@ -464,40 +476,24 @@ setup_resources(void)
res->name = "reserved";
}
res->start = memory_chunk[i].addr;
- res->end = memory_chunk[i].addr + memory_chunk[i].size - 1;
+ res->end = res->start + memory_chunk[i].size - 1;
request_resource(&iomem_resource, res);
- if (code_resource.start >= res->start &&
- code_resource.start <= res->end &&
- code_resource.end > res->end) {
- sub_res = alloc_bootmem_low(sizeof(struct resource));
- memcpy(sub_res, &code_resource,
- sizeof(struct resource));
- sub_res->end = res->end;
- code_resource.start = res->end + 1;
- request_resource(res, sub_res);
- }
-
- if (code_resource.start >= res->start &&
- code_resource.start <= res->end &&
- code_resource.end <= res->end)
- request_resource(res, &code_resource);
-
- if (data_resource.start >= res->start &&
- data_resource.start <= res->end &&
- data_resource.end > res->end) {
- sub_res = alloc_bootmem_low(sizeof(struct resource));
- memcpy(sub_res, &data_resource,
- sizeof(struct resource));
- sub_res->end = res->end;
- data_resource.start = res->end + 1;
- request_resource(res, sub_res);
+ for (j = 0; j < ARRAY_SIZE(standard_resources); j++) {
+ std_res = standard_resources[j];
+ if (std_res->start < res->start ||
+ std_res->start > res->end)
+ continue;
+ if (std_res->end > res->end) {
+ sub_res = alloc_bootmem_low(sizeof(*sub_res));
+ *sub_res = *std_res;
+ sub_res->end = res->end;
+ std_res->start = res->end + 1;
+ request_resource(res, sub_res);
+ } else {
+ request_resource(res, std_res);
+ }
}
-
- if (data_resource.start >= res->start &&
- data_resource.start <= res->end &&
- data_resource.end <= res->end)
- request_resource(res, &data_resource);
}
}
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index a8fee1b..9c65fd4 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -343,3 +343,7 @@ SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
SYSCALL(sys_fanotify_init,sys_fanotify_init,sys_fanotify_init_wrapper)
SYSCALL(sys_fanotify_mark,sys_fanotify_mark,sys_fanotify_mark_wrapper)
SYSCALL(sys_prlimit64,sys_prlimit64,sys_prlimit64_wrapper)
+SYSCALL(sys_name_to_handle_at,sys_name_to_handle_at,sys_name_to_handle_at_wrapper) /* 335 */
+SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at_wrapper)
+SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper)
+SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper)
diff --git a/arch/s390/oprofile/Makefile b/arch/s390/oprofile/Makefile
index d698cdd..524c4b6 100644
--- a/arch/s390/oprofile/Makefile
+++ b/arch/s390/oprofile/Makefile
@@ -6,4 +6,5 @@ DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
oprofilefs.o oprofile_stats.o \
timer_int.o )
-oprofile-y := $(DRIVER_OBJS) init.o backtrace.o hwsampler.o
+oprofile-y := $(DRIVER_OBJS) init.o backtrace.o
+oprofile-$(CONFIG_64BIT) += hwsampler.o
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index 16c76de..c63d7e5 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -18,6 +18,11 @@
#include <linux/fs.h>
#include "../../../drivers/oprofile/oprof.h"
+
+extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth);
+
+#ifdef CONFIG_64BIT
+
#include "hwsampler.h"
#define DEFAULT_INTERVAL 4096
@@ -37,8 +42,6 @@ static int hwsampler_running; /* start_mutex must be held to change */
static struct oprofile_operations timer_ops;
-extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth);
-
static int oprofile_hwsampler_start(void)
{
int retval;
@@ -172,14 +175,22 @@ static void oprofile_hwsampler_exit(void)
hwsampler_shutdown();
}
+#endif /* CONFIG_64BIT */
+
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
ops->backtrace = s390_backtrace;
+#ifdef CONFIG_64BIT
return oprofile_hwsampler_init(ops);
+#else
+ return -ENODEV;
+#endif
}
void oprofile_arch_exit(void)
{
+#ifdef CONFIG_64BIT
oprofile_hwsampler_exit();
+#endif
}
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 379d859..459f2cb 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3982,8 +3982,10 @@ out_err:
}
static struct ccw_driver dasd_eckd_driver = {
- .name = "dasd-eckd",
- .owner = THIS_MODULE,
+ .driver = {
+ .name = "dasd-eckd",
+ .owner = THIS_MODULE,
+ },
.ids = dasd_eckd_ids,
.probe = dasd_eckd_probe,
.remove = dasd_generic_remove,
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index be89b3a..4b71b11 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -65,8 +65,10 @@ dasd_fba_set_online(struct ccw_device *cdev)
}
static struct ccw_driver dasd_fba_driver = {
- .name = "dasd-fba",
- .owner = THIS_MODULE,
+ .driver = {
+ .name = "dasd-fba",
+ .owner = THIS_MODULE,
+ },
.ids = dasd_fba_ids,
.probe = dasd_fba_probe,
.remove = dasd_generic_remove,
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 3fb4335..694464c 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -764,8 +764,10 @@ static struct ccw_device_id raw3215_id[] = {
};
static struct ccw_driver raw3215_ccw_driver = {
- .name = "3215",
- .owner = THIS_MODULE,
+ .driver = {
+ .name = "3215",
+ .owner = THIS_MODULE,
+ },
.ids = raw3215_id,
.probe = &raw3215_probe,
.remove = &raw3215_remove,
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 96ba2fd..4c02376 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -1388,8 +1388,10 @@ static struct ccw_device_id raw3270_id[] = {
};
static struct ccw_driver raw3270_ccw_driver = {
- .name = "3270",
- .owner = THIS_MODULE,
+ .driver = {
+ .name = "3270",
+ .owner = THIS_MODULE,
+ },
.ids = raw3270_id,
.probe = &raw3270_probe,
.remove = &raw3270_remove,
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index c265111..9eff2df 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -1320,8 +1320,10 @@ tape_34xx_online(struct ccw_device *cdev)
}
static struct ccw_driver tape_34xx_driver = {
- .name = "tape_34xx",
- .owner = THIS_MODULE,
+ .driver = {
+ .name = "tape_34xx",
+ .owner = THIS_MODULE,
+ },
.ids = tape_34xx_ids,
.probe = tape_generic_probe,
.remove = tape_generic_remove,
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index de2e99e..b98dcbd 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -1761,8 +1761,10 @@ tape_3590_online(struct ccw_device *cdev)
}
static struct ccw_driver tape_3590_driver = {
- .name = "tape_3590",
- .owner = THIS_MODULE,
+ .driver = {
+ .name = "tape_3590",
+ .owner = THIS_MODULE,
+ },
.ids = tape_3590_ids,
.probe = tape_generic_probe,
.remove = tape_generic_remove,
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index caef175..f6b00c3 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -64,8 +64,10 @@ static int ur_set_offline(struct ccw_device *cdev);
static int ur_pm_suspend(struct ccw_device *cdev);
static struct ccw_driver ur_driver = {
- .name = "vmur",
- .owner = THIS_MODULE,
+ .driver = {
+ .name = "vmur",
+ .owner = THIS_MODULE,
+ },
.ids = ur_ids,
.probe = ur_probe,
.remove = ur_remove,
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 2864581..5c56741 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -428,7 +428,7 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const
gdev = to_ccwgroupdev(dev);
gdrv = to_ccwgroupdrv(dev->driver);
- if (!try_module_get(gdrv->owner))
+ if (!try_module_get(gdrv->driver.owner))
return -EINVAL;
ret = strict_strtoul(buf, 0, &value);
@@ -442,7 +442,7 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const
else
ret = -EINVAL;
out:
- module_put(gdrv->owner);
+ module_put(gdrv->driver.owner);
return (ret == 0) ? count : ret;
}
@@ -616,8 +616,6 @@ int ccwgroup_driver_register(struct ccwgroup_driver *cdriver)
{
/* register our new driver with the core */
cdriver->driver.bus = &ccwgroup_bus_type;
- cdriver->driver.name = cdriver->name;
- cdriver->driver.owner = cdriver->owner;
return driver_register(&cdriver->driver);
}
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index e50b121..df14c51 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -127,7 +127,7 @@ static int ccw_uevent(struct device *dev, struct kobj_uevent_env *env)
return ret;
}
-struct bus_type ccw_bus_type;
+static struct bus_type ccw_bus_type;
static void io_subchannel_irq(struct subchannel *);
static int io_subchannel_probe(struct subchannel *);
@@ -547,7 +547,7 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr,
if (atomic_cmpxchg(&cdev->private->onoff, 0, 1) != 0)
return -EAGAIN;
- if (cdev->drv && !try_module_get(cdev->drv->owner)) {
+ if (cdev->drv && !try_module_get(cdev->drv->driver.owner)) {
atomic_set(&cdev->private->onoff, 0);
return -EINVAL;
}
@@ -573,7 +573,7 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr,
}
out:
if (cdev->drv)
- module_put(cdev->drv->owner);
+ module_put(cdev->drv->driver.owner);
atomic_set(&cdev->private->onoff, 0);
return (ret < 0) ? ret : count;
}
@@ -1970,7 +1970,7 @@ static const struct dev_pm_ops ccw_pm_ops = {
.restore = ccw_device_pm_restore,
};
-struct bus_type ccw_bus_type = {
+static struct bus_type ccw_bus_type = {
.name = "ccw",
.match = ccw_bus_match,
.uevent = ccw_uevent,
@@ -1993,8 +1993,6 @@ int ccw_driver_register(struct ccw_driver *cdriver)
struct device_driver *drv = &cdriver->driver;
drv->bus = &ccw_bus_type;
- drv->name = cdriver->name;
- drv->owner = cdriver->owner;
return driver_register(drv);
}
@@ -2112,5 +2110,4 @@ EXPORT_SYMBOL(ccw_device_set_offline);
EXPORT_SYMBOL(ccw_driver_register);
EXPORT_SYMBOL(ccw_driver_unregister);
EXPORT_SYMBOL(get_ccwdev_by_busid);
-EXPORT_SYMBOL(ccw_bus_type);
EXPORT_SYMBOL_GPL(ccw_device_get_subchannel_id);
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 379de2d..7e297c7 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -133,7 +133,6 @@ void ccw_device_set_notoper(struct ccw_device *cdev);
/* qdio needs this. */
void ccw_device_set_timeout(struct ccw_device *, int);
extern struct subchannel_id ccw_device_get_subchannel_id(struct ccw_device *);
-extern struct bus_type ccw_bus_type;
/* Channel measurement facility related */
void retry_set_schib(struct ccw_device *cdev);
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 5640c89..479c665 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1508,7 +1508,8 @@ int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
if (irq_ptr->state != QDIO_IRQ_STATE_ACTIVE)
return -EBUSY;
-
+ if (!count)
+ return 0;
if (callflags & QDIO_FLAG_SYNC_INPUT)
return handle_inbound(irq_ptr->input_qs[q_nr],
callflags, bufnr, count);
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index ce3a5c1..9feb62f 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -264,8 +264,10 @@ static struct device *claw_root_dev;
/* ccwgroup table */
static struct ccwgroup_driver claw_group_driver = {
- .owner = THIS_MODULE,
- .name = "claw",
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "claw",
+ },
.max_slaves = 2,
.driver_id = 0xC3D3C1E6,
.probe = claw_probe,
@@ -282,8 +284,10 @@ static struct ccw_device_id claw_ids[] = {
MODULE_DEVICE_TABLE(ccw, claw_ids);
static struct ccw_driver claw_ccw_driver = {
- .owner = THIS_MODULE,
- .name = "claw",
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "claw",
+ },
.ids = claw_ids,
.probe = ccwgroup_probe_ccwdev,
.remove = ccwgroup_remove_ccwdev,
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 4c28459..c189296 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1764,16 +1764,20 @@ static struct ccw_device_id ctcm_ids[] = {
MODULE_DEVICE_TABLE(ccw, ctcm_ids);
static struct ccw_driver ctcm_ccw_driver = {
- .owner = THIS_MODULE,
- .name = "ctcm",
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "ctcm",
+ },
.ids = ctcm_ids,
.probe = ccwgroup_probe_ccwdev,
.remove = ccwgroup_remove_ccwdev,
};
static struct ccwgroup_driver ctcm_group_driver = {
- .owner = THIS_MODULE,
- .name = CTC_DRIVER_NAME,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = CTC_DRIVER_NAME,
+ },
.max_slaves = 2,
.driver_id = 0xC3E3C3D4, /* CTCM */
.probe = ctcm_probe_device,
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 30b2a82..7fbc4ad 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -2396,8 +2396,10 @@ static struct ccw_device_id lcs_ids[] = {
MODULE_DEVICE_TABLE(ccw, lcs_ids);
static struct ccw_driver lcs_ccw_driver = {
- .owner = THIS_MODULE,
- .name = "lcs",
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "lcs",
+ },
.ids = lcs_ids,
.probe = ccwgroup_probe_ccwdev,
.remove = ccwgroup_remove_ccwdev,
@@ -2407,8 +2409,10 @@ static struct ccw_driver lcs_ccw_driver = {
* LCS ccwgroup driver registration
*/
static struct ccwgroup_driver lcs_group_driver = {
- .owner = THIS_MODULE,
- .name = "lcs",
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "lcs",
+ },
.max_slaves = 2,
.driver_id = 0xD3C3E2,
.probe = lcs_probe_device,
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 25eef304..10a3a3b 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -3902,7 +3902,9 @@ static struct ccw_device_id qeth_ids[] = {
MODULE_DEVICE_TABLE(ccw, qeth_ids);
static struct ccw_driver qeth_ccw_driver = {
- .name = "qeth",
+ .driver = {
+ .name = "qeth",
+ },
.ids = qeth_ids,
.probe = ccwgroup_probe_ccwdev,
.remove = ccwgroup_remove_ccwdev,
@@ -4428,8 +4430,10 @@ static int qeth_core_restore(struct ccwgroup_device *gdev)
}
static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
- .owner = THIS_MODULE,
- .name = "qeth",
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "qeth",
+ },
.driver_id = 0xD8C5E3C8,
.probe = qeth_core_probe_device,
.remove = qeth_core_remove_device,
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 4f7852d..e8b7cee 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -251,8 +251,10 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev)
}
struct ccw_driver zfcp_ccw_driver = {
- .owner = THIS_MODULE,
- .name = "zfcp",
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "zfcp",
+ },
.ids = zfcp_ccw_device_id,
.probe = zfcp_ccw_probe,
.remove = zfcp_ccw_remove,
--
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