diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-31 10:51:10 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-31 10:51:10 -0700 |
commit | 8ee78c6fb982b3a7343faf561e7937d4cfa955ff (patch) | |
tree | 93d9327018e648174fb83b4144eed89de72693dd /arch/s390 | |
parent | aac422afeffa9093544799c3257a96b55ba42044 (diff) | |
parent | 491af9903b858ee7c36735dc31708fe4074ce56f (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 patches from Heiko Carstens:
"A couple of s390 patches for the 3.5 merge window. Just a collection
of bug fixes and cleanups."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/uaccess: fix access_ok compile warnings
s390/cmpxchg: select HAVE_CMPXCHG_LOCAL option
s390/cmpxchg: fix sign extension bugs
s390/cmpxchg: fix 1 and 2 byte memory accesses
s390/cmpxchg: fix compile warnings specific to s390
s390/cmpxchg: add missing memory barrier to cmpxchg64
s390/cpu: remove cpu "capabilities" sysfs attribute
s390/kernel: Fix smp_call_ipl_cpu() for offline CPUs
s390/kernel: Introduce memcpy_absolute() function
s390/headers: replace __s390x__ with CONFIG_64BIT where possible
s390/headers: remove #ifdef __KERNEL__ from not exported headers
s390/irq: split irq stats for cpu-measurement alert facilities
s390/kexec: Move early_pgm_check_handler() to text section
s390/kdump: Use real mode for PSW restart and kexec
s390/kdump: Account /sys/kernel/kexec_crash_size changes in OS info
s390/kernel: Remove OS info init function call and diag 308 for kdump
Diffstat (limited to 'arch/s390')
48 files changed, 244 insertions, 306 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index b403c533432c..a39b4690c171 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -87,6 +87,7 @@ config S390 select ARCH_SAVE_PAGE_KEYS if HIBERNATION select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP + select HAVE_CMPXCHG_LOCAL select ARCH_DISCARD_MEMBLOCK select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK_BH diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h index e5beb490959b..a6ff5a83e227 100644 --- a/arch/s390/include/asm/bitops.h +++ b/arch/s390/include/asm/bitops.h @@ -13,8 +13,6 @@ * */ -#ifdef __KERNEL__ - #ifndef _LINUX_BITOPS_H #error only <linux/bitops.h> can be included directly #endif @@ -63,7 +61,7 @@ extern const char _ni_bitmap[]; extern const char _zb_findmap[]; extern const char _sb_findmap[]; -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define __BITOPS_ALIGN 3 #define __BITOPS_WORDSIZE 32 @@ -83,7 +81,7 @@ extern const char _sb_findmap[]; : "d" (__val), "Q" (*(unsigned long *) __addr) \ : "cc"); -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define __BITOPS_ALIGN 7 #define __BITOPS_WORDSIZE 64 @@ -103,7 +101,7 @@ extern const char _sb_findmap[]; : "d" (__val), "Q" (*(unsigned long *) __addr) \ : "cc"); -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define __BITOPS_WORDS(bits) (((bits)+__BITOPS_WORDSIZE-1)/__BITOPS_WORDSIZE) #define __BITOPS_BARRIER() asm volatile("" : : : "memory") @@ -412,7 +410,7 @@ static inline unsigned long __ffz_word_loop(const unsigned long *addr, unsigned long bytes = 0; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " ahi %1,-1\n" " sra %1,5\n" " jz 1f\n" @@ -449,7 +447,7 @@ static inline unsigned long __ffs_word_loop(const unsigned long *addr, unsigned long bytes = 0; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " ahi %1,-1\n" " sra %1,5\n" " jz 1f\n" @@ -481,7 +479,7 @@ static inline unsigned long __ffs_word_loop(const unsigned long *addr, */ static inline unsigned long __ffz_word(unsigned long nr, unsigned long word) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if ((word & 0xffffffff) == 0xffffffff) { word >>= 32; nr += 32; @@ -505,7 +503,7 @@ static inline unsigned long __ffz_word(unsigned long nr, unsigned long word) */ static inline unsigned long __ffs_word(unsigned long nr, unsigned long word) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if ((word & 0xffffffff) == 0) { word >>= 32; nr += 32; @@ -546,7 +544,7 @@ static inline unsigned long __load_ulong_le(const unsigned long *p, unsigned long word; p = (unsigned long *)((unsigned long) p + offset); -#ifndef __s390x__ +#ifndef CONFIG_64BIT asm volatile( " ic %0,%O1(%R1)\n" " icm %0,2,%O1+1(%R1)\n" @@ -834,7 +832,4 @@ static inline int find_next_bit_le(void *vaddr, unsigned long size, #include <asm-generic/bitops/ext2-atomic-setbit.h> - -#endif /* __KERNEL__ */ - #endif /* _S390_BITOPS_H */ diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index fc50a3342da3..4c8d4d5b8bd2 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -10,8 +10,6 @@ #include <linux/spinlock.h> #include <asm/types.h> -#ifdef __KERNEL__ - #define LPM_ANYPATH 0xff #define __MAX_CSSID 0 @@ -291,5 +289,3 @@ int chsc_sstpc(void *page, unsigned int op, u16 ctrl); int chsc_sstpi(void *page, void *result, size_t size); #endif - -#endif diff --git a/arch/s390/include/asm/cmpxchg.h b/arch/s390/include/asm/cmpxchg.h index 81d7908416cf..8d798e962b63 100644 --- a/arch/s390/include/asm/cmpxchg.h +++ b/arch/s390/include/asm/cmpxchg.h @@ -29,7 +29,7 @@ static inline unsigned long __xchg(unsigned long x, void *ptr, int size) " cs %0,0,%4\n" " jl 0b\n" : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(255 << shift)), + : "d" ((x & 0xff) << shift), "d" (~(0xff << shift)), "Q" (*(int *) addr) : "memory", "cc", "0"); return old >> shift; case 2: @@ -44,7 +44,7 @@ static inline unsigned long __xchg(unsigned long x, void *ptr, int size) " cs %0,0,%4\n" " jl 0b\n" : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(65535 << shift)), + : "d" ((x & 0xffff) << shift), "d" (~(0xffff << shift)), "Q" (*(int *) addr) : "memory", "cc", "0"); return old >> shift; case 4: @@ -113,9 +113,10 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, " 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) + : "=&d" (prev), "=&d" (tmp), "+Q" (*(int *) addr) + : "d" ((old & 0xff) << shift), + "d" ((new & 0xff) << shift), + "d" (~(0xff << shift)) : "memory", "cc"); return prev >> shift; case 2: @@ -134,9 +135,10 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, " 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) + : "=&d" (prev), "=&d" (tmp), "+Q" (*(int *) addr) + : "d" ((old & 0xffff) << shift), + "d" ((new & 0xffff) << shift), + "d" (~(0xffff << shift)) : "memory", "cc"); return prev >> shift; case 4: @@ -160,9 +162,14 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, return old; } -#define cmpxchg(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __ret = (__typeof__(*(ptr))) \ + __cmpxchg((ptr), (unsigned long)(o), (unsigned long)(n), \ + sizeof(*(ptr))); \ + __ret; \ +}) #ifdef CONFIG_64BIT #define cmpxchg64(ptr, o, n) \ @@ -181,13 +188,19 @@ static inline unsigned long long __cmpxchg64(void *ptr, " cds %0,%2,%1" : "+&d" (rp_old), "=Q" (ptr) : "d" (rp_new), "Q" (ptr) - : "cc"); + : "memory", "cc"); return rp_old.pair; } -#define cmpxchg64(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg64((ptr), \ - (unsigned long long)(o), \ - (unsigned long long)(n))) + +#define cmpxchg64(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __ret = (__typeof__(*(ptr))) \ + __cmpxchg64((ptr), \ + (unsigned long long)(o), \ + (unsigned long long)(n)); \ + __ret; \ +}) #endif /* CONFIG_64BIT */ #include <asm-generic/cmpxchg-local.h> @@ -216,8 +229,13 @@ static inline unsigned long __cmpxchg_local(void *ptr, * them available. */ #define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) +({ \ + __typeof__(*(ptr)) __ret; \ + __ret = (__typeof__(*(ptr))) \ + __cmpxchg_local((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr))); \ + __ret; \ +}) #define cmpxchg64_local(ptr, o, n) cmpxchg64((ptr), (o), (n)) diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 24ef186a1c4f..718374de9c7f 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -21,15 +21,15 @@ typedef unsigned long long __nocast cputime64_t; static inline unsigned long __div(unsigned long long n, unsigned long base) { -#ifndef __s390x__ +#ifndef CONFIG_64BIT register_pair rp; rp.pair = n >> 1; asm ("dr %0,%1" : "+d" (rp) : "d" (base >> 1)); return rp.subreg.odd; -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ return n / base; -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ } #define cputime_one_jiffy jiffies_to_cputime(1) @@ -100,7 +100,7 @@ static inline void cputime_to_timespec(const cputime_t cputime, struct timespec *value) { unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ +#ifndef CONFIG_64BIT register_pair rp; rp.pair = __cputime >> 1; @@ -128,7 +128,7 @@ static inline void cputime_to_timeval(const cputime_t cputime, struct timeval *value) { unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ +#ifndef CONFIG_64BIT register_pair rp; rp.pair = __cputime >> 1; diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index ecde9417d669..debfda33d1f8 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -7,7 +7,7 @@ #ifndef __ASM_CTL_REG_H #define __ASM_CTL_REG_H -#ifdef __s390x__ +#ifdef CONFIG_64BIT #define __ctl_load(array, low, high) ({ \ typedef struct { char _[sizeof(array)]; } addrtype; \ @@ -25,7 +25,7 @@ : "i" (low), "i" (high)); \ }) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define __ctl_load(array, low, high) ({ \ typedef struct { char _[sizeof(array)]; } addrtype; \ @@ -43,7 +43,7 @@ : "i" (low), "i" (high)); \ }) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define __ctl_set_bit(cr, bit) ({ \ unsigned long __dummy; \ diff --git a/arch/s390/include/asm/current.h b/arch/s390/include/asm/current.h index 83cf36cde2da..7a68084ec2f0 100644 --- a/arch/s390/include/asm/current.h +++ b/arch/s390/include/asm/current.h @@ -11,13 +11,10 @@ #ifndef _S390_CURRENT_H #define _S390_CURRENT_H -#ifdef __KERNEL__ #include <asm/lowcore.h> struct task_struct; #define current ((struct task_struct *const)S390_lowcore.current_task) -#endif - #endif /* !(_S390_CURRENT_H) */ diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index c4ee39f7a4d6..06151e6a3098 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -107,11 +107,11 @@ /* * These are used to set parameters in the core dumps. */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define ELF_CLASS ELFCLASS32 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define ELF_CLASS ELFCLASS64 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define ELF_DATA ELFDATA2MSB #define ELF_ARCH EM_S390 @@ -181,9 +181,9 @@ extern unsigned long elf_hwcap; extern char elf_platform[]; #define ELF_PLATFORM (elf_platform) -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define SET_PERSONALITY(ex) set_personality(PER_LINUX) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define SET_PERSONALITY(ex) \ do { \ if (personality(current->personality) != PER_LINUX32) \ @@ -194,7 +194,7 @@ do { \ else \ clear_thread_flag(TIF_31BIT); \ } while (0) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define STACK_RND_MASK 0x7ffUL diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h index 81cf36b691f1..96bc83ea5c90 100644 --- a/arch/s390/include/asm/futex.h +++ b/arch/s390/include/asm/futex.h @@ -1,8 +1,6 @@ #ifndef _ASM_S390_FUTEX_H #define _ASM_S390_FUTEX_H -#ifdef __KERNEL__ - #include <linux/futex.h> #include <linux/uaccess.h> #include <asm/errno.h> @@ -48,5 +46,4 @@ static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return uaccess.futex_atomic_cmpxchg(uval, uaddr, oldval, newval); } -#endif /* __KERNEL__ */ #endif /* _ASM_S390_FUTEX_H */ diff --git a/arch/s390/include/asm/idals.h b/arch/s390/include/asm/idals.h index aae276d00383..aef0dde340d1 100644 --- a/arch/s390/include/asm/idals.h +++ b/arch/s390/include/asm/idals.h @@ -20,7 +20,7 @@ #include <asm/cio.h> #include <asm/uaccess.h> -#ifdef __s390x__ +#ifdef CONFIG_64BIT #define IDA_SIZE_LOG 12 /* 11 for 2k , 12 for 4k */ #else #define IDA_SIZE_LOG 11 /* 11 for 2k , 12 for 4k */ @@ -33,7 +33,7 @@ static inline int idal_is_needed(void *vaddr, unsigned int length) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT return ((__pa(vaddr) + length - 1) >> 31) != 0; #else return 0; @@ -78,7 +78,7 @@ static inline unsigned long *idal_create_words(unsigned long *idaws, static inline int set_normalized_cda(struct ccw1 * ccw, void *vaddr) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT unsigned int nridaws; unsigned long *idal; @@ -105,7 +105,7 @@ set_normalized_cda(struct ccw1 * ccw, void *vaddr) static inline void clear_normalized_cda(struct ccw1 * ccw) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if (ccw->flags & CCW_FLAG_IDA) { kfree((void *)(unsigned long) ccw->cda); ccw->flags &= ~CCW_FLAG_IDA; @@ -182,7 +182,7 @@ idal_buffer_free(struct idal_buffer *ib) static inline int __idal_buffer_is_needed(struct idal_buffer *ib) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT return ib->size > (4096ul << ib->page_order) || idal_is_needed(ib->data[0], ib->size); #else diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h index 27216d317991..f81a0975cbea 100644 --- a/arch/s390/include/asm/io.h +++ b/arch/s390/include/asm/io.h @@ -11,8 +11,6 @@ #ifndef _S390_IO_H #define _S390_IO_H -#ifdef __KERNEL__ - #include <asm/page.h> #define IO_SPACE_LIMIT 0xffffffff @@ -46,6 +44,4 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr); */ #define xlate_dev_kmem_ptr(p) p -#endif /* __KERNEL__ */ - #endif diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index 5289cacd4861..2b9d41899d21 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -17,7 +17,8 @@ enum interruption_class { EXTINT_VRT, EXTINT_SCP, EXTINT_IUC, - EXTINT_CPM, + EXTINT_CMS, + EXTINT_CMC, IOINT_CIO, IOINT_QAI, IOINT_DAS, diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index 3f30dac804ea..f4f38826eebb 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -10,10 +10,8 @@ #ifndef _S390_KEXEC_H #define _S390_KEXEC_H -#ifdef __KERNEL__ -#include <asm/page.h> -#endif #include <asm/processor.h> +#include <asm/page.h> /* * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. * I.e. Maximum page that is mapped directly into kernel memory, diff --git a/arch/s390/include/asm/kmap_types.h b/arch/s390/include/asm/kmap_types.h index 94ec3ee07983..0a88622339ee 100644 --- a/arch/s390/include/asm/kmap_types.h +++ b/arch/s390/include/asm/kmap_types.h @@ -1,8 +1,6 @@ -#ifdef __KERNEL__ #ifndef _ASM_KMAP_TYPES_H #define _ASM_KMAP_TYPES_H #include <asm-generic/kmap_types.h> #endif -#endif /* __KERNEL__ */ diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index 5d09e405c54d..69bdf72e95ec 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -49,7 +49,7 @@ static inline int init_new_context(struct task_struct *tsk, #define destroy_context(mm) do { } while (0) -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define LCTL_OPCODE "lctl" #else #define LCTL_OPCODE "lctlg" diff --git a/arch/s390/include/asm/module.h b/arch/s390/include/asm/module.h index 1cc1c5af705a..f0b6b26b6e59 100644 --- a/arch/s390/include/asm/module.h +++ b/arch/s390/include/asm/module.h @@ -28,7 +28,7 @@ struct mod_arch_specific struct mod_arch_syminfo *syminfo; }; -#ifdef __s390x__ +#ifdef CONFIG_64BIT #define ElfW(x) Elf64_ ## x #define ELFW(x) ELF64_ ## x #else diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h index d07518af09ea..295f2c4f1c96 100644 --- a/arch/s390/include/asm/os_info.h +++ b/arch/s390/include/asm/os_info.h @@ -13,7 +13,6 @@ #define OS_INFO_VMCOREINFO 0 #define OS_INFO_REIPL_BLOCK 1 -#define OS_INFO_INIT_FN 2 struct os_info_entry { u64 addr; @@ -28,8 +27,8 @@ struct os_info { u16 version_minor; u64 crashkernel_addr; u64 crashkernel_size; - struct os_info_entry entry[3]; - u8 reserved[4004]; + struct os_info_entry entry[2]; + u8 reserved[4024]; } __packed; void os_info_init(void); diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h index 0fbd1899c7b0..6537e72e0853 100644 --- a/arch/s390/include/asm/percpu.h +++ b/arch/s390/include/asm/percpu.h @@ -15,7 +15,7 @@ * per cpu area, use weak definitions to force the compiler to * generate external references. */ -#if defined(CONFIG_SMP) && defined(__s390x__) && defined(MODULE) +#if defined(CONFIG_SMP) && defined(CONFIG_64BIT) && defined(MODULE) #define ARCH_NEEDS_WEAK_PER_CPU #endif diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index 78e3041919de..43078c194394 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -48,7 +48,7 @@ static inline void crst_table_init(unsigned long *crst, unsigned long entry) clear_table(crst, entry, sizeof(unsigned long)*2048); } -#ifndef __s390x__ +#ifndef CONFIG_64BIT static inline unsigned long pgd_entry_type(struct mm_struct *mm) { @@ -64,7 +64,7 @@ static inline unsigned long pgd_entry_type(struct mm_struct *mm) #define pgd_populate(mm, pgd, pud) BUG() #define pud_populate(mm, pud, pmd) BUG() -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ static inline unsigned long pgd_entry_type(struct mm_struct *mm) { @@ -106,7 +106,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) pud_val(*pud) = _REGION3_ENTRY | __pa(pmd); } -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 011358c1b18e..b3227415abda 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -74,15 +74,15 @@ static inline int is_zero_pfn(unsigned long pfn) * table can map * PGDIR_SHIFT determines what a third-level page table entry can map */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT # define PMD_SHIFT 20 # define PUD_SHIFT 20 # define PGDIR_SHIFT 20 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ # define PMD_SHIFT 20 # define PUD_SHIFT 31 # define PGDIR_SHIFT 42 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define PMD_SIZE (1UL << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) @@ -98,13 +98,13 @@ static inline int is_zero_pfn(unsigned long pfn) * that leads to 1024 pte per pgd */ #define PTRS_PER_PTE 256 -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define PTRS_PER_PMD 1 #define PTRS_PER_PUD 1 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define PTRS_PER_PMD 2048 #define PTRS_PER_PUD 2048 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define PTRS_PER_PGD 2048 #define FIRST_USER_ADDRESS 0 @@ -276,7 +276,7 @@ extern struct page *vmemmap; * swap pte is 1011 and 0001, 0011, 0101, 0111 are invalid. */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT /* Bits in the segment table address-space-control-element */ #define _ASCE_SPACE_SWITCH 0x80000000UL /* space switch event */ @@ -308,7 +308,7 @@ extern struct page *vmemmap; #define KVM_UR_BIT 0x00008000UL #define KVM_UC_BIT 0x00004000UL -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ /* Bits in the segment/region table address-space-control-element */ #define _ASCE_ORIGIN ~0xfffUL/* segment table origin */ @@ -363,7 +363,7 @@ extern struct page *vmemmap; #define KVM_UR_BIT 0x0000800000000000UL #define KVM_UC_BIT 0x0000400000000000UL -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ /* * A user page table pointer has the space-switch-event bit, the @@ -424,7 +424,7 @@ static inline int mm_has_pgste(struct mm_struct *mm) /* * pgd/pmd/pte query functions */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT static inline int pgd_present(pgd_t pgd) { return 1; } static inline int pgd_none(pgd_t pgd) { return 0; } @@ -434,7 +434,7 @@ static inline int pud_present(pud_t pud) { return 1; } static inline int pud_none(pud_t pud) { return 0; } static inline int pud_bad(pud_t pud) { return 0; } -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ static inline int pgd_present(pgd_t pgd) { @@ -490,7 +490,7 @@ static inline int pud_bad(pud_t pud) return (pud_val(pud) & mask) != 0; } -#endif /* __s390x__ */ |