diff options
author | Tejun Heo | 2011-05-24 09:59:36 +0200 |
---|---|---|
committer | Tejun Heo | 2011-05-24 09:59:36 +0200 |
commit | 6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch) | |
tree | c9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /arch/s390 | |
parent | 0415b00d175e0d8945e6785aad21b5f157976ce0 (diff) | |
parent | 6ea0c34dac89611126455537552cffe6c7e832ad (diff) |
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/include/asm/ccwdev.h | 4 | ||||
-rw-r--r-- | arch/s390/include/asm/ccwgroup.h | 4 | ||||
-rw-r--r-- | arch/s390/include/asm/cmpxchg.h | 225 | ||||
-rw-r--r-- | arch/s390/include/asm/system.h | 196 | ||||
-rw-r--r-- | arch/s390/include/asm/unistd.h | 6 | ||||
-rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 27 | ||||
-rw-r--r-- | arch/s390/kernel/early.c | 22 | ||||
-rw-r--r-- | arch/s390/kernel/setup.c | 88 | ||||
-rw-r--r-- | arch/s390/kernel/syscalls.S | 4 | ||||
-rw-r--r-- | arch/s390/oprofile/Makefile | 3 | ||||
-rw-r--r-- | arch/s390/oprofile/init.c | 15 |
11 files changed, 332 insertions, 262 deletions
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h index ff6f62e0ec3e..623f2fb71774 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 c79c1e787b86..f2ea2c56a7e1 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 000000000000..7488e52efa97 --- /dev/null +++ b/arch/s390/include/asm/cmpxchg.h @@ -0,0 +1,225 @@ +/* + * Copyright IBM Corp. 1999, 2011 + * + * Author(s): Martin Schwidefsky <schwidefsky@de.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 8f8d759f6a7b..d382629a0172 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 1049ef27c15e..e82152572377 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 8e60fb23b90d..1dc96ea08fa8 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 3b7e7dddc324..068f8465c4ee 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 6f6350826c81..ed183c2c6168 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 a8fee1b14395..9c65fd4ddce0 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 d698cddcfbdd..524c4b615821 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 16c76def4a9d..c63d7e58352b 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 } |