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-rw-r--r--arch/parisc/include/asm/atomic.h2
-rw-r--r--arch/parisc/include/asm/cache.h18
-rw-r--r--arch/parisc/include/asm/cacheflush.h1
-rw-r--r--arch/parisc/include/asm/compat.h4
-rw-r--r--arch/parisc/include/uapi/asm/ipcbuf.h19
-rw-r--r--arch/parisc/include/uapi/asm/mman.h3
-rw-r--r--arch/parisc/include/uapi/asm/msgbuf.h10
-rw-r--r--arch/parisc/include/uapi/asm/posix_types.h2
-rw-r--r--arch/parisc/include/uapi/asm/sembuf.h6
-rw-r--r--arch/parisc/include/uapi/asm/shmbuf.h8
-rw-r--r--arch/parisc/include/uapi/asm/stat.h31
-rw-r--r--arch/parisc/include/uapi/asm/unistd.h4
-rw-r--r--arch/parisc/kernel/syscall_table.S2
-rw-r--r--arch/parisc/mm/init.c16
14 files changed, 58 insertions, 68 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 2536965d00ea..1d109990a022 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -67,7 +67,7 @@ static __inline__ void atomic_set(atomic_t *v, int i)
static __inline__ int atomic_read(const atomic_t *v)
{
- return ACCESS_ONCE((v)->counter);
+ return READ_ONCE((v)->counter);
}
/* exported interface */
diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
index 47f11c707b65..3d0e17bcc8e9 100644
--- a/arch/parisc/include/asm/cache.h
+++ b/arch/parisc/include/asm/cache.h
@@ -7,20 +7,12 @@
/*
- * PA 2.0 processors have 64-byte cachelines; PA 1.1 processors have
- * 32-byte cachelines. The default configuration is not for SMP anyway,
- * so if you're building for SMP, you should select the appropriate
- * processor type. There is a potential livelock danger when running
- * a machine with this value set too small, but it's more probable you'll
- * just ruin performance.
+ * PA 2.0 processors have 64 and 128-byte L2 cachelines; PA 1.1 processors
+ * have 32-byte cachelines. The L1 length appears to be 16 bytes but this
+ * is not clearly documented.
*/
-#ifdef CONFIG_PA20
-#define L1_CACHE_BYTES 64
-#define L1_CACHE_SHIFT 6
-#else
-#define L1_CACHE_BYTES 32
-#define L1_CACHE_SHIFT 5
-#endif
+#define L1_CACHE_BYTES 16
+#define L1_CACHE_SHIFT 4
#ifndef __ASSEMBLY__
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index ec2df4bab302..845272ce9cc5 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -156,7 +156,6 @@ static inline void __kunmap_atomic(void *addr)
#define kmap_atomic_prot(page, prot) kmap_atomic(page)
#define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn))
-#define kmap_atomic_to_page(ptr) virt_to_page(ptr)
#endif /* _PARISC_CACHEFLUSH_H */
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 94710cfc1ce8..0448a2c8eafb 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -206,10 +206,10 @@ struct compat_ipc64_perm {
struct compat_semid64_ds {
struct compat_ipc64_perm sem_perm;
- compat_time_t sem_otime;
unsigned int __unused1;
- compat_time_t sem_ctime;
+ compat_time_t sem_otime;
unsigned int __unused2;
+ compat_time_t sem_ctime;
compat_ulong_t sem_nsems;
compat_ulong_t __unused3;
compat_ulong_t __unused4;
diff --git a/arch/parisc/include/uapi/asm/ipcbuf.h b/arch/parisc/include/uapi/asm/ipcbuf.h
index bd956c425785..790c4119f647 100644
--- a/arch/parisc/include/uapi/asm/ipcbuf.h
+++ b/arch/parisc/include/uapi/asm/ipcbuf.h
@@ -1,6 +1,9 @@
#ifndef __PARISC_IPCBUF_H__
#define __PARISC_IPCBUF_H__
+#include <asm/bitsperlong.h>
+#include <linux/posix_types.h>
+
/*
* The ipc64_perm structure for PA-RISC is almost identical to
* kern_ipc_perm as we have always had 32-bit UIDs and GIDs in the kernel.
@@ -10,16 +13,18 @@
struct ipc64_perm
{
- key_t key;
- uid_t uid;
- gid_t gid;
- uid_t cuid;
- gid_t cgid;
+ __kernel_key_t key;
+ __kernel_uid_t uid;
+ __kernel_gid_t gid;
+ __kernel_uid_t cuid;
+ __kernel_gid_t cgid;
+#if __BITS_PER_LONG != 64
unsigned short int __pad1;
- mode_t mode;
+#endif
+ __kernel_mode_t mode;
unsigned short int __pad2;
unsigned short int seq;
- unsigned int __pad3;
+ unsigned int __pad3;
unsigned long long int __unused1;
unsigned long long int __unused2;
};
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index 2ae13ce592e8..dd4d1876a020 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -31,6 +31,9 @@
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
+#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
+
+#define MLOCK_ONFAULT 0x01 /* Lock pages in range after they are faulted in, do not prefault */
#define MADV_NORMAL 0 /* no further special treatment */
#define MADV_RANDOM 1 /* expect random page references */
diff --git a/arch/parisc/include/uapi/asm/msgbuf.h b/arch/parisc/include/uapi/asm/msgbuf.h
index 342138983914..2e83ac758e19 100644
--- a/arch/parisc/include/uapi/asm/msgbuf.h
+++ b/arch/parisc/include/uapi/asm/msgbuf.h
@@ -27,13 +27,13 @@ struct msqid64_ds {
unsigned int __pad3;
#endif
__kernel_time_t msg_ctime; /* last change time */
- unsigned int msg_cbytes; /* current number of bytes on queue */
- unsigned int msg_qnum; /* number of messages in queue */
- unsigned int msg_qbytes; /* max number of bytes on queue */
+ unsigned long msg_cbytes; /* current number of bytes on queue */
+ unsigned long msg_qnum; /* number of messages in queue */
+ unsigned long msg_qbytes; /* max number of bytes on queue */
__kernel_pid_t msg_lspid; /* pid of last msgsnd */
__kernel_pid_t msg_lrpid; /* last receive pid */
- unsigned int __unused1;
- unsigned int __unused2;
+ unsigned long __unused1;
+ unsigned long __unused2;
};
#endif /* _PARISC_MSGBUF_H */
diff --git a/arch/parisc/include/uapi/asm/posix_types.h b/arch/parisc/include/uapi/asm/posix_types.h
index b9344256f76b..f3b5f70b9a5f 100644
--- a/arch/parisc/include/uapi/asm/posix_types.h
+++ b/arch/parisc/include/uapi/asm/posix_types.h
@@ -7,8 +7,10 @@
* assume GCC is being used.
*/
+#ifndef __LP64__
typedef unsigned short __kernel_mode_t;
#define __kernel_mode_t __kernel_mode_t
+#endif
typedef unsigned short __kernel_ipc_pid_t;
#define __kernel_ipc_pid_t __kernel_ipc_pid_t
diff --git a/arch/parisc/include/uapi/asm/sembuf.h b/arch/parisc/include/uapi/asm/sembuf.h
index f01d89e30d73..c20971bf520f 100644
--- a/arch/parisc/include/uapi/asm/sembuf.h
+++ b/arch/parisc/include/uapi/asm/sembuf.h
@@ -23,9 +23,9 @@ struct semid64_ds {
unsigned int __pad2;
#endif
__kernel_time_t sem_ctime; /* last change time */
- unsigned int sem_nsems; /* no. of semaphores in array */
- unsigned int __unused1;
- unsigned int __unused2;
+ unsigned long sem_nsems; /* no. of semaphores in array */
+ unsigned long __unused1;
+ unsigned long __unused2;
};
#endif /* _PARISC_SEMBUF_H */
diff --git a/arch/parisc/include/uapi/asm/shmbuf.h b/arch/parisc/include/uapi/asm/shmbuf.h
index 8496c38560c6..750e13e77991 100644
--- a/arch/parisc/include/uapi/asm/shmbuf.h
+++ b/arch/parisc/include/uapi/asm/shmbuf.h
@@ -30,12 +30,12 @@ struct shmid64_ds {
#if __BITS_PER_LONG != 64
unsigned int __pad4;
#endif
- size_t shm_segsz; /* size of segment (bytes) */
+ __kernel_size_t shm_segsz; /* size of segment (bytes) */
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
- unsigned int shm_nattch; /* no. of current attaches */
- unsigned int __unused1;
- unsigned int __unused2;
+ unsigned long shm_nattch; /* no. of current attaches */
+ unsigned long __unused1;
+ unsigned long __unused2;
};
struct shminfo64 {
diff --git a/arch/parisc/include/uapi/asm/stat.h b/arch/parisc/include/uapi/asm/stat.h
index b606b366d0a7..3310d2a49759 100644
--- a/arch/parisc/include/uapi/asm/stat.h
+++ b/arch/parisc/include/uapi/asm/stat.h
@@ -36,37 +36,6 @@ struct stat {
#define STAT_HAVE_NSEC
-struct hpux_stat64 {
- unsigned int st_dev; /* dev_t is 32 bits on parisc */
- unsigned int st_ino; /* 32 bits */
- unsigned short st_mode; /* 16 bits */
- unsigned short st_nlink; /* 16 bits */
- unsigned short st_reserved1; /* old st_uid */
- unsigned short st_reserved2; /* old st_gid */
- unsigned int st_rdev;
- signed long long st_size;
- signed int st_atime;
- unsigned int st_spare1;
- signed int st_mtime;
- unsigned int st_spare2;
- signed int st_ctime;
- unsigned int st_spare3;
- int st_blksize;
- unsigned long long st_blocks;
- unsigned int __unused1; /* ACL stuff */
- unsigned int __unused2; /* network */
- unsigned int __unused3; /* network */
- unsigned int __unused4; /* cnodes */
- unsigned short __unused5; /* netsite */
- short st_fstype;
- unsigned int st_realdev;
- unsigned short st_basemode;
- unsigned short st_spareshort;
- unsigned int st_uid;
- unsigned int st_gid;
- unsigned int st_spare4[3];
-};
-
/* This is the struct that 32-bit userspace applications are expecting.
* How 64-bit apps are going to be compiled, I have no idea. But at least
* this way, we don't have a wrapper in the kernel.
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index 2e639d7604f6..33170384d3ac 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -358,8 +358,10 @@
#define __NR_memfd_create (__NR_Linux + 340)
#define __NR_bpf (__NR_Linux + 341)
#define __NR_execveat (__NR_Linux + 342)
+#define __NR_membarrier (__NR_Linux + 343)
+#define __NR_userfaultfd (__NR_Linux + 344)
-#define __NR_Linux_syscalls (__NR_execveat + 1)
+#define __NR_Linux_syscalls (__NR_userfaultfd + 1)
#define __IGNORE_select /* newselect */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 8eefb12d1d33..78c3ef8c348d 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -438,6 +438,8 @@
ENTRY_SAME(memfd_create) /* 340 */
ENTRY_SAME(bpf)
ENTRY_COMP(execveat)
+ ENTRY_SAME(membarrier)
+ ENTRY_SAME(userfaultfd)
.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index ac90df1119bd..1b366c477687 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -23,6 +23,7 @@
#include <linux/unistd.h>
#include <linux/nodemask.h> /* for node_online_map */
#include <linux/pagemap.h> /* for release_pages and page_cache_release */
+#include <linux/compat.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
@@ -30,6 +31,7 @@
#include <asm/pdc_chassis.h>
#include <asm/mmzone.h>
#include <asm/sections.h>
+#include <asm/msgbuf.h>
extern int data_start;
extern void parisc_kernel_start(void); /* Kernel entry point in head.S */
@@ -584,6 +586,20 @@ unsigned long pcxl_dma_start __read_mostly;
void __init mem_init(void)
{
+ /* Do sanity checks on IPC (compat) structures */
+ BUILD_BUG_ON(sizeof(struct ipc64_perm) != 48);
+#ifndef CONFIG_64BIT
+ BUILD_BUG_ON(sizeof(struct semid64_ds) != 80);
+ BUILD_BUG_ON(sizeof(struct msqid64_ds) != 104);
+ BUILD_BUG_ON(sizeof(struct shmid64_ds) != 104);
+#endif
+#ifdef CONFIG_COMPAT
+ BUILD_BUG_ON(sizeof(struct compat_ipc64_perm) != sizeof(struct ipc64_perm));
+ BUILD_BUG_ON(sizeof(struct compat_semid64_ds) != 80);
+ BUILD_BUG_ON(sizeof(struct compat_msqid64_ds) != 104);
+ BUILD_BUG_ON(sizeof(struct compat_shmid64_ds) != 104);
+#endif
+
/* Do sanity checks on page table constants */
BUILD_BUG_ON(PTE_ENTRY_SIZE != sizeof(pte_t));
BUILD_BUG_ON(PMD_ENTRY_SIZE != sizeof(pmd_t));