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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-22 21:13:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-22 21:13:26 -0800
commit5f32ed140dac726e880d292988ba20d16f545bda (patch)
treef08589f9489a05eb7a0b7f855ab96c57b0561cde /arch/parisc/include
parentc68fea3464cbe4f3e1382f9f74a7c04cdbfb92ad (diff)
parent1dda59b4f3d03fa28d86f3ea235655f0f96aab3e (diff)
Merge branch 'parisc-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller. The bulk of this is optimized page coping/clearing and cache flushing (virtual caches are lovely) by John David Anglin. * 'parisc-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (31 commits) arch/parisc/include/asm: use ARRAY_SIZE macro in mmzone.h parisc: remove empty lines and unnecessary #ifdef coding in include/asm/signal.h parisc: sendfile and sendfile64 syscall cleanups parisc: switch to available compat_sched_rr_get_interval implementation parisc: fix fallocate syscall parisc: fix error return codes for rt_sigaction and rt_sigprocmask parisc: convert msgrcv and msgsnd syscalls to use compat layer parisc: correctly wire up mq_* functions for CONFIG_COMPAT case parisc: fix personality on 32bit kernel parisc: wire up process_vm_readv, process_vm_writev, kcmp and finit_module syscalls parisc: led driver requires CONFIG_VM_EVENT_COUNTERS parisc: remove unused compat_rt_sigframe.h header parisc/mm/fault.c: Port OOM changes to do_page_fault parisc: space register variables need to be in native length (unsigned long) parisc: fix ptrace breakage parisc: always detect multiple physical ranges parisc: ensure that mmapped shared pages are aligned at SHMLBA addresses parisc: disable preemption while flushing D- or I-caches through TMPALIAS region parisc: remove IRQF_DISABLED parisc: fixes and cleanups in page cache flushing (4/4) ...
Diffstat (limited to 'arch/parisc/include')
-rw-r--r--arch/parisc/include/asm/cacheflush.h2
-rw-r--r--arch/parisc/include/asm/compat.h61
-rw-r--r--arch/parisc/include/asm/compat_rt_sigframe.h50
-rw-r--r--arch/parisc/include/asm/elf.h2
-rw-r--r--arch/parisc/include/asm/floppy.h4
-rw-r--r--arch/parisc/include/asm/mmzone.h7
-rw-r--r--arch/parisc/include/asm/page.h20
-rw-r--r--arch/parisc/include/asm/pgtable.h13
-rw-r--r--arch/parisc/include/asm/signal.h4
-rw-r--r--arch/parisc/include/asm/unistd.h2
-rw-r--r--arch/parisc/include/uapi/asm/unistd.h6
11 files changed, 102 insertions, 69 deletions
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 9f21ab0c02e3..79f694f3ad9b 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -115,7 +115,9 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma
{
if (PageAnon(page)) {
flush_tlb_page(vma, vmaddr);
+ preempt_disable();
flush_dcache_page_asm(page_to_phys(page), vmaddr);
+ preempt_enable();
}
}
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index db7a662691a8..94710cfc1ce8 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -28,6 +28,7 @@ typedef u16 compat_nlink_t;
typedef u16 compat_ipc_pid_t;
typedef s32 compat_daddr_t;
typedef u32 compat_caddr_t;
+typedef s32 compat_key_t;
typedef s32 compat_timer_t;
typedef s32 compat_int_t;
@@ -188,6 +189,66 @@ typedef struct compat_siginfo {
#define COMPAT_OFF_T_MAX 0x7fffffff
#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
+struct compat_ipc64_perm {
+ compat_key_t key;
+ __compat_uid_t uid;
+ __compat_gid_t gid;
+ __compat_uid_t cuid;
+ __compat_gid_t cgid;
+ unsigned short int __pad1;
+ compat_mode_t mode;
+ unsigned short int __pad2;
+ unsigned short int seq;
+ unsigned int __pad3;
+ unsigned long __unused1; /* yes they really are 64bit pads */
+ unsigned long __unused2;
+};
+
+struct compat_semid64_ds {
+ struct compat_ipc64_perm sem_perm;
+ compat_time_t sem_otime;
+ unsigned int __unused1;
+ compat_time_t sem_ctime;
+ unsigned int __unused2;
+ compat_ulong_t sem_nsems;
+ compat_ulong_t __unused3;
+ compat_ulong_t __unused4;
+};
+
+struct compat_msqid64_ds {
+ struct compat_ipc64_perm msg_perm;
+ unsigned int __unused1;
+ compat_time_t msg_stime;
+ unsigned int __unused2;
+ compat_time_t msg_rtime;
+ unsigned int __unused3;
+ compat_time_t msg_ctime;
+ compat_ulong_t msg_cbytes;
+ compat_ulong_t msg_qnum;
+ compat_ulong_t msg_qbytes;
+ compat_pid_t msg_lspid;
+ compat_pid_t msg_lrpid;
+ compat_ulong_t __unused4;
+ compat_ulong_t __unused5;
+};
+
+struct compat_shmid64_ds {
+ struct compat_ipc64_perm shm_perm;
+ unsigned int __unused1;
+ compat_time_t shm_atime;
+ unsigned int __unused2;
+ compat_time_t shm_dtime;
+ unsigned int __unused3;
+ compat_time_t shm_ctime;
+ unsigned int __unused4;
+ compat_size_t shm_segsz;
+ compat_pid_t shm_cpid;
+ compat_pid_t shm_lpid;
+ compat_ulong_t shm_nattch;
+ compat_ulong_t __unused5;
+ compat_ulong_t __unused6;
+};
+
/*
* A pointer passed in from user mode. This should not
* be used for syscall parameters, just declare them
diff --git a/arch/parisc/include/asm/compat_rt_sigframe.h b/arch/parisc/include/asm/compat_rt_sigframe.h
deleted file mode 100644
index b3f95a7f18b4..000000000000
--- a/arch/parisc/include/asm/compat_rt_sigframe.h
+++ /dev/null
@@ -1,50 +0,0 @@
-#include <linux/compat.h>
-#include <linux/compat_siginfo.h>
-#include <asm/compat_ucontext.h>
-
-#ifndef _ASM_PARISC_COMPAT_RT_SIGFRAME_H
-#define _ASM_PARISC_COMPAT_RT_SIGFRAME_H
-
-/* In a deft move of uber-hackery, we decide to carry the top half of all
- * 64-bit registers in a non-portable, non-ABI, hidden structure.
- * Userspace can read the hidden structure if it *wants* but is never
- * guaranteed to be in the same place. Infact the uc_sigmask from the
- * ucontext_t structure may push the hidden register file downards
- */
-struct compat_regfile {
- /* Upper half of all the 64-bit registers that were truncated
- on a copy to a 32-bit userspace */
- compat_int_t rf_gr[32];
- compat_int_t rf_iasq[2];
- compat_int_t rf_iaoq[2];
- compat_int_t rf_sar;
-};
-
-#define COMPAT_SIGRETURN_TRAMP 4
-#define COMPAT_SIGRESTARTBLOCK_TRAMP 5
-#define COMPAT_TRAMP_SIZE (COMPAT_SIGRETURN_TRAMP + COMPAT_SIGRESTARTBLOCK_TRAMP)
-
-struct compat_rt_sigframe {
- /* XXX: Must match trampoline size in arch/parisc/kernel/signal.c
- Secondary to that it must protect the ERESTART_RESTARTBLOCK
- trampoline we left on the stack (we were bad and didn't
- change sp so we could run really fast.) */
- compat_uint_t tramp[COMPAT_TRAMP_SIZE];
- compat_siginfo_t info;
- struct compat_ucontext uc;
- /* Hidden location of truncated registers, *must* be last. */
- struct compat_regfile regs;
-};
-
-/*
- * The 32-bit ABI wants at least 48 bytes for a function call frame:
- * 16 bytes for arg0-arg3, and 32 bytes for magic (the only part of
- * which Linux/parisc uses is sp-20 for the saved return pointer...)
- * Then, the stack pointer must be rounded to a cache line (64 bytes).
- */
-#define SIGFRAME32 64
-#define FUNCTIONCALLFRAME32 48
-#define PARISC_RT_SIGFRAME_SIZE32 \
- (((sizeof(struct compat_rt_sigframe) + FUNCTIONCALLFRAME32) + SIGFRAME32) & -SIGFRAME32)
-
-#endif
diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
index 19f6cb1a4a1c..ad2b50397894 100644
--- a/arch/parisc/include/asm/elf.h
+++ b/arch/parisc/include/asm/elf.h
@@ -247,7 +247,7 @@ typedef unsigned long elf_greg_t;
#define ELF_PLATFORM ("PARISC\0")
#define SET_PERSONALITY(ex) \
- current->personality = PER_LINUX; \
+ set_personality((current->personality & ~PER_MASK) | PER_LINUX); \
current->thread.map_base = DEFAULT_MAP_BASE; \
current->thread.task_size = DEFAULT_TASK_SIZE \
diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h
index 4ca69f558fae..f84ff12574b7 100644
--- a/arch/parisc/include/asm/floppy.h
+++ b/arch/parisc/include/asm/floppy.h
@@ -157,10 +157,10 @@ static int fd_request_irq(void)
{
if(can_use_virtual_dma)
return request_irq(FLOPPY_IRQ, floppy_hardint,
- IRQF_DISABLED, "floppy", NULL);
+ 0, "floppy", NULL);
else
return request_irq(FLOPPY_IRQ, floppy_interrupt,
- IRQF_DISABLED, "floppy", NULL);
+ 0, "floppy", NULL);
}
static unsigned long dma_mem_alloc(unsigned long size)
diff --git a/arch/parisc/include/asm/mmzone.h b/arch/parisc/include/asm/mmzone.h
index e67eb9c3d1bf..0e625ab9aaec 100644
--- a/arch/parisc/include/asm/mmzone.h
+++ b/arch/parisc/include/asm/mmzone.h
@@ -1,9 +1,10 @@
#ifndef _PARISC_MMZONE_H
#define _PARISC_MMZONE_H
+#define MAX_PHYSMEM_RANGES 8 /* Fix the size for now (current known max is 3) */
+
#ifdef CONFIG_DISCONTIGMEM
-#define MAX_PHYSMEM_RANGES 8 /* Fix the size for now (current known max is 3) */
extern int npmem_ranges;
struct node_map_data {
@@ -44,7 +45,7 @@ static inline int pfn_to_nid(unsigned long pfn)
return 0;
i = pfn >> PFNNID_SHIFT;
- BUG_ON(i >= sizeof(pfnnid_map) / sizeof(pfnnid_map[0]));
+ BUG_ON(i >= ARRAY_SIZE(pfnnid_map));
r = pfnnid_map[i];
BUG_ON(r == 0xff);
@@ -60,7 +61,5 @@ static inline int pfn_valid(int pfn)
return 0;
}
-#else /* !CONFIG_DISCONTIGMEM */
-#define MAX_PHYSMEM_RANGES 1
#endif
#endif /* _PARISC_MMZONE_H */
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index 4e0e7dbf0f3f..b7adb2ac049c 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -21,15 +21,27 @@
#include <asm/types.h>
#include <asm/cache.h>
-#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
-#define copy_page(to,from) copy_user_page_asm((void *)(to), (void *)(from))
+#define clear_page(page) clear_page_asm((void *)(page))
+#define copy_page(to, from) copy_page_asm((void *)(to), (void *)(from))
struct page;
-void copy_user_page_asm(void *to, void *from);
+void clear_page_asm(void *page);
+void copy_page_asm(void *to, void *from);
+void clear_user_page(void *vto, unsigned long vaddr, struct page *pg);
void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
struct page *pg);
-void clear_user_page(void *page, unsigned long vaddr, struct page *pg);
+
+/* #define CONFIG_PARISC_TMPALIAS */
+
+#ifdef CONFIG_PARISC_TMPALIAS
+void clear_user_highpage(struct page *page, unsigned long vaddr);
+#define clear_user_highpage clear_user_highpage
+struct vm_area_struct;
+void copy_user_highpage(struct page *to, struct page *from,
+ unsigned long vaddr, struct vm_area_struct *vma);
+#define __HAVE_ARCH_COPY_USER_HIGHPAGE
+#endif
/*
* These are used to make use of C type-checking..
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index ee99f2339356..7df49fad29f9 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -12,11 +12,10 @@
#include <linux/bitops.h>
#include <linux/spinlock.h>
+#include <linux/mm_types.h>
#include <asm/processor.h>
#include <asm/cache.h>
-struct vm_area_struct;
-
/*
* kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel
* memory. For the return value to be meaningful, ADDR must be >=
@@ -40,7 +39,14 @@ struct vm_area_struct;
do{ \
*(pteptr) = (pteval); \
} while(0)
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+
+extern void purge_tlb_entries(struct mm_struct *, unsigned long);
+
+#define set_pte_at(mm, addr, ptep, pteval) \
+ do { \
+ set_pte(ptep, pteval); \
+ purge_tlb_entries(mm, addr); \
+ } while (0)
#endif /* !__ASSEMBLY__ */
@@ -466,6 +472,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
old = pte_val(*ptep);
new = pte_val(pte_wrprotect(__pte (old)));
} while (cmpxchg((unsigned long *) ptep, old, new) != old);
+ purge_tlb_entries(mm, addr);
#else
pte_t old_pte = *ptep;
set_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
diff --git a/arch/parisc/include/asm/signal.h b/arch/parisc/include/asm/signal.h
index 0fdb3c835952..b1a7c4c4a53a 100644
--- a/arch/parisc/include/asm/signal.h
+++ b/arch/parisc/include/asm/signal.h
@@ -3,16 +3,12 @@
#include <uapi/asm/signal.h>
-
#define _NSIG 64
/* bits-per-word, where word apparently means 'long' not 'int' */
#define _NSIG_BPW BITS_PER_LONG
#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
# ifndef __ASSEMBLY__
-#ifdef CONFIG_64BIT
-#else
-#endif
/* Most things should be clean enough to redefine this at will, if care
is taken to make libc match. */
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index 3043194547cd..74f801ebbe77 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -149,6 +149,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_COMPAT_SYS_TIME
+#define __ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
@@ -166,6 +167,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
#define __ARCH_WANT_SYS_FORK
#define __ARCH_WANT_SYS_VFORK
#define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_COMPAT_SYS_SENDFILE
#endif /* __ASSEMBLY__ */
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index e178f30f2ccc..2c8b9bde18eb 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -822,8 +822,12 @@
#define __NR_syncfs (__NR_Linux + 327)
#define __NR_setns (__NR_Linux + 328)
#define __NR_sendmmsg (__NR_Linux + 329)
+#define __NR_process_vm_readv (__NR_Linux + 330)
+#define __NR_process_vm_writev (__NR_Linux + 331)
+#define __NR_kcmp (__NR_Linux + 332)
+#define __NR_finit_module (__NR_Linux + 333)
-#define __NR_Linux_syscalls (__NR_sendmmsg + 1)
+#define __NR_Linux_syscalls (__NR_finit_module + 1)
#define __IGNORE_select /* newselect */