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author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 18:42:23 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 18:42:23 -0800 |
commit | d27ba47e7e8c466c18983a1779d611f82d6a354f (patch) | |
tree | 2870d82516be16e0cae63e1f7e84bd855bb34a23 /arch | |
parent | e3d8b77bc7a89d190ee895d0570af10c026e5086 (diff) | |
parent | dd3e2dcf3408843ed35501c28626f389b30be756 (diff) | |
download | kernel_samsung_crespo-d27ba47e7e8c466c18983a1779d611f82d6a354f.zip kernel_samsung_crespo-d27ba47e7e8c466c18983a1779d611f82d6a354f.tar.gz kernel_samsung_crespo-d27ba47e7e8c466c18983a1779d611f82d6a354f.tar.bz2 |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc/Kconfig | 8 | ||||
-rw-r--r-- | arch/sparc/kernel/Makefile | 1 | ||||
-rw-r--r-- | arch/sparc/kernel/led.c | 139 | ||||
-rw-r--r-- | arch/sparc/kernel/sunos_ioctl.c | 1 | ||||
-rw-r--r-- | arch/sparc64/kernel/ioctl32.c | 459 | ||||
-rw-r--r-- | arch/sparc64/kernel/setup.c | 12 | ||||
-rw-r--r-- | arch/sparc64/kernel/signal32.c | 6 | ||||
-rw-r--r-- | arch/sparc64/kernel/smp.c | 79 | ||||
-rw-r--r-- | arch/sparc64/kernel/sunos_ioctl32.c | 1 | ||||
-rw-r--r-- | arch/sparc64/kernel/time.c | 13 |
10 files changed, 184 insertions, 535 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 6537445..3cfb8be 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -201,6 +201,14 @@ config SUN_OPENPROMFS Only choose N if you know in advance that you will not need to modify OpenPROM settings on the running system. +config SPARC_LED + tristate "Sun4m LED driver" + help + This driver toggles the front-panel LED on sun4m systems + in a user-specifyable manner. It's state can be probed + by reading /proc/led and it's blinking mode can be changed + via writes to /proc/led + source "fs/Kconfig.binfmt" config SUNOS_EMUL diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 3d22ba2..1b83e21 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_SUN_AUXIO) += auxio.o obj-$(CONFIG_PCI) += ebus.o obj-$(CONFIG_SUN_PM) += apc.o pmc.o obj-$(CONFIG_MODULES) += module.o sparc_ksyms.o +obj-$(CONFIG_SPARC_LED) += led.o ifdef CONFIG_SUNOS_EMUL obj-y += sys_sunos.o sunos_ioctl.o diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c new file mode 100644 index 0000000..2a3afca --- /dev/null +++ b/arch/sparc/kernel/led.c @@ -0,0 +1,139 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/proc_fs.h> +#include <linux/string.h> + +#include <asm/auxio.h> + +#define LED_MAX_LENGTH 8 /* maximum chars written to proc file */ + +static inline void led_toggle(void) +{ + unsigned char val = get_auxio(); + unsigned char on, off; + + if (val & AUXIO_LED) { + on = 0; + off = AUXIO_LED; + } else { + on = AUXIO_LED; + off = 0; + } + + set_auxio(on, off); +} + +static struct timer_list led_blink_timer; + +static void led_blink(unsigned long timeout) +{ + led_toggle(); + + /* reschedule */ + if (!timeout) { /* blink according to load */ + led_blink_timer.expires = jiffies + + ((1 + (avenrun[0] >> FSHIFT)) * HZ); + led_blink_timer.data = 0; + } else { /* blink at user specified interval */ + led_blink_timer.expires = jiffies + (timeout * HZ); + led_blink_timer.data = timeout; + } + add_timer(&led_blink_timer); +} + +static int led_read_proc(char *buf, char **start, off_t offset, int count, + int *eof, void *data) +{ + int len = 0; + + if (get_auxio() & AUXIO_LED) + len = sprintf(buf, "on\n"); + else + len = sprintf(buf, "off\n"); + + return len; +} + +static int led_write_proc(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + char *buf = NULL; + + if (count > LED_MAX_LENGTH) + count = LED_MAX_LENGTH; + + buf = kmalloc(sizeof(char) * (count + 1), GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, buffer, count)) { + kfree(buf); + return -EFAULT; + } + + buf[count] = '\0'; + + /* work around \n when echo'ing into proc */ + if (buf[count - 1] == '\n') + buf[count - 1] = '\0'; + + /* before we change anything we want to stop any running timers, + * otherwise calls such as on will have no persistent effect + */ + del_timer_sync(&led_blink_timer); + + if (!strcmp(buf, "on")) { + auxio_set_led(AUXIO_LED_ON); + } else if (!strcmp(buf, "toggle")) { + led_toggle(); + } else if ((*buf > '0') && (*buf <= '9')) { + led_blink(simple_strtoul(buf, NULL, 10)); + } else if (!strcmp(buf, "load")) { + led_blink(0); + } else { + auxio_set_led(AUXIO_LED_OFF); + } + + kfree(buf); + + return count; +} + +static struct proc_dir_entry *led; + +#define LED_VERSION "0.1" + +static int __init led_init(void) +{ + init_timer(&led_blink_timer); + led_blink_timer.function = led_blink; + + led = create_proc_entry("led", 0, NULL); + if (!led) + return -ENOMEM; + + led->read_proc = led_read_proc; /* reader function */ + led->write_proc = led_write_proc; /* writer function */ + led->owner = THIS_MODULE; + + printk(KERN_INFO + "led: version %s, Lars Kotthoff <metalhead@metalhead.ws>\n", + LED_VERSION); + + return 0; +} + +static void __exit led_exit(void) +{ + remove_proc_entry("led", NULL); + del_timer_sync(&led_blink_timer); +} + +module_init(led_init); +module_exit(led_exit); + +MODULE_AUTHOR("Lars Kotthoff <metalhead@metalhead.ws>"); +MODULE_DESCRIPTION("Provides control of the front LED on SPARC systems."); +MODULE_LICENSE("GPL"); +MODULE_VERSION(LED_VERSION); diff --git a/arch/sparc/kernel/sunos_ioctl.c b/arch/sparc/kernel/sunos_ioctl.c index df1c0b3..a6ba3d2 100644 --- a/arch/sparc/kernel/sunos_ioctl.c +++ b/arch/sparc/kernel/sunos_ioctl.c @@ -23,7 +23,6 @@ #include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/file.h> -#include <asm/kbio.h> #if 0 extern char sunkbd_type; diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c index e6a0032..92e2630 100644 --- a/arch/sparc64/kernel/ioctl32.c +++ b/arch/sparc64/kernel/ioctl32.c @@ -11,33 +11,14 @@ #define INCLUDES #include "compat_ioctl.c" -#include <linux/ncp_fs.h> #include <linux/syscalls.h> #include <asm/fbio.h> -#include <asm/kbio.h> -#include <asm/vuid_event.h> -#include <asm/envctrl.h> -#include <asm/display7seg.h> -#include <asm/openpromio.h> -#include <asm/audioio.h> -#include <asm/watchdog.h> /* Use this to get at 32-bit user passed pointers. * See sys_sparc32.c for description about it. */ #define A(__x) compat_ptr(__x) -static __inline__ void *alloc_user_space(long len) -{ - struct pt_regs *regs = current_thread_info()->kregs; - unsigned long usp = regs->u_regs[UREG_I6]; - - if (!(test_thread_flag(TIF_32BIT))) - usp += STACK_BIAS; - - return (void *) (usp - len); -} - #define CODE #include "compat_ioctl.c" @@ -111,357 +92,6 @@ static int fbiogscursor(unsigned int fd, unsigned int cmd, unsigned long arg) return sys_ioctl (fd, FBIOSCURSOR, (unsigned long)p); } -#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE) -/* This really belongs in include/linux/drm.h -DaveM */ -#include "../../../drivers/char/drm/drm.h" - -typedef struct drm32_version { - int version_major; /* Major version */ - int version_minor; /* Minor version */ - int version_patchlevel;/* Patch level */ - int name_len; /* Length of name buffer */ - u32 name; /* Name of driver */ - int date_len; /* Length of date buffer */ - u32 date; /* User-space buffer to hold date */ - int desc_len; /* Length of desc buffer */ - u32 desc; /* User-space buffer to hold desc */ -} drm32_version_t; -#define DRM32_IOCTL_VERSION DRM_IOWR(0x00, drm32_version_t) - -static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_version_t __user *uversion = (drm32_version_t __user *)arg; - drm_version_t __user *p = compat_alloc_user_space(sizeof(*p)); - compat_uptr_t addr; - int n; - int ret; - - if (clear_user(p, 3 * sizeof(int)) || - get_user(n, &uversion->name_len) || - put_user(n, &p->name_len) || - get_user(addr, &uversion->name) || - put_user(compat_ptr(addr), &p->name) || - get_user(n, &uversion->date_len) || - put_user(n, &p->date_len) || - get_user(addr, &uversion->date) || - put_user(compat_ptr(addr), &p->date) || - get_user(n, &uversion->desc_len) || - put_user(n, &p->desc_len) || - get_user(addr, &uversion->desc) || - put_user(compat_ptr(addr), &p->desc)) - return -EFAULT; - - ret = sys_ioctl(fd, DRM_IOCTL_VERSION, (unsigned long)p); - if (ret) - return ret; - - if (copy_in_user(uversion, p, 3 * sizeof(int)) || - get_user(n, &p->name_len) || - put_user(n, &uversion->name_len) || - get_user(n, &p->date_len) || - put_user(n, &uversion->date_len) || - get_user(n, &p->desc_len) || - put_user(n, &uversion->desc_len)) - return -EFAULT; - - return 0; -} - -typedef struct drm32_unique { - int unique_len; /* Length of unique */ - u32 unique; /* Unique name for driver instantiation */ -} drm32_unique_t; -#define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t) -#define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t) - -static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_unique_t __user *uarg = (drm32_unique_t __user *)arg; - drm_unique_t __user *p = compat_alloc_user_space(sizeof(*p)); - compat_uptr_t addr; - int n; - int ret; - - if (get_user(n, &uarg->unique_len) || - put_user(n, &p->unique_len) || - get_user(addr, &uarg->unique) || - put_user(compat_ptr(addr), &p->unique)) - return -EFAULT; - - if (cmd == DRM32_IOCTL_GET_UNIQUE) - ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)p); - else - ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)p); - - if (ret) - return ret; - - if (get_user(n, &p->unique_len) || put_user(n, &uarg->unique_len)) - return -EFAULT; - - return 0; -} - -typedef struct drm32_map { - u32 offset; /* Requested physical address (0 for SAREA)*/ - u32 size; /* Requested physical size (bytes) */ - drm_map_type_t type; /* Type of memory to map */ - drm_map_flags_t flags; /* Flags */ - u32 handle; /* User-space: "Handle" to pass to mmap */ - /* Kernel-space: kernel-virtual address */ - int mtrr; /* MTRR slot used */ - /* Private data */ -} drm32_map_t; -#define DRM32_IOCTL_ADD_MAP DRM_IOWR(0x15, drm32_map_t) - -static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_map_t __user *uarg = (drm32_map_t __user *) arg; - drm_map_t karg; - mm_segment_t old_fs; - u32 tmp; - int ret; - - ret = get_user(karg.offset, &uarg->offset); - ret |= get_user(karg.size, &uarg->size); - ret |= get_user(karg.type, &uarg->type); - ret |= get_user(karg.flags, &uarg->flags); - ret |= get_user(tmp, &uarg->handle); - ret |= get_user(karg.mtrr, &uarg->mtrr); - if (ret) - return -EFAULT; - - karg.handle = (void *) (unsigned long) tmp; - - old_fs = get_fs(); - set_fs(KERNEL_DS); - ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg); - set_fs(old_fs); - - if (!ret) { - ret = put_user(karg.offset, &uarg->offset); - ret |= put_user(karg.size, &uarg->size); - ret |= put_user(karg.type, &uarg->type); - ret |= put_user(karg.flags, &uarg->flags); - tmp = (u32) (long)karg.handle; - ret |= put_user(tmp, &uarg->handle); - ret |= put_user(karg.mtrr, &uarg->mtrr); - if (ret) - ret = -EFAULT; - } - - return ret; -} - -typedef struct drm32_buf_info { - int count; /* Entries in list */ - u32 list; /* (drm_buf_desc_t *) */ -} drm32_buf_info_t; -#define DRM32_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm32_buf_info_t) - -static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_buf_info_t __user *uarg = (drm32_buf_info_t __user *)arg; - drm_buf_info_t __user *p = compat_alloc_user_space(sizeof(*p)); - compat_uptr_t addr; - int n; - int ret; - - if (get_user(n, &uarg->count) || put_user(n, &p->count) || - get_user(addr, &uarg->list) || put_user(compat_ptr(addr), &p->list)) - return -EFAULT; - - ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long)p); - if (ret) - return ret; - - if (get_user(n, &p->count) || put_user(n, &uarg->count)) - return -EFAULT; - - return 0; -} - -typedef struct drm32_buf_free { - int count; - u32 list; /* (int *) */ -} drm32_buf_free_t; -#define DRM32_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm32_buf_free_t) - -static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_buf_free_t __user *uarg = (drm32_buf_free_t __user *)arg; - drm_buf_free_t __user *p = compat_alloc_user_space(sizeof(*p)); - compat_uptr_t addr; - int n; - - if (get_user(n, &uarg->count) || put_user(n, &p->count) || - get_user(addr, &uarg->list) || put_user(compat_ptr(addr), &p->list)) - return -EFAULT; - - return sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long)p); -} - -typedef struct drm32_buf_pub { - int idx; /* Index into master buflist */ - int total; /* Buffer size */ - int used; /* Amount of buffer in use (for DMA) */ - u32 address; /* Address of buffer (void *) */ -} drm32_buf_pub_t; - -typedef struct drm32_buf_map { - int count; /* Length of buflist */ - u32 virtual; /* Mmaped area in user-virtual (void *) */ - u32 list; /* Buffer information (drm_buf_pub_t *) */ -} drm32_buf_map_t; -#define DRM32_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm32_buf_map_t) - -static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_buf_map_t __user *uarg = (drm32_buf_map_t __user *)arg; - drm32_buf_pub_t __user *ulist; - drm_buf_map_t __user *arg64; - drm_buf_pub_t __user *list; - int orig_count, ret, i; - int n; - compat_uptr_t addr; - - if (get_user(orig_count, &uarg->count)) - return -EFAULT; - - arg64 = compat_alloc_user_space(sizeof(drm_buf_map_t) + - (size_t)orig_count * sizeof(drm_buf_pub_t)); - list = (void __user *)(arg64 + 1); - - if (put_user(orig_count, &arg64->count) || - put_user(list, &arg64->list) || - get_user(addr, &uarg->virtual) || - put_user(compat_ptr(addr), &arg64->virtual) || - get_user(addr, &uarg->list)) - return -EFAULT; - - ulist = compat_ptr(addr); - - for (i = 0; i < orig_count; i++) { - if (get_user(n, &ulist[i].idx) || - put_user(n, &list[i].idx) || - get_user(n, &ulist[i].total) || - put_user(n, &list[i].total) || - get_user(n, &ulist[i].used) || - put_user(n, &list[i].used) || - get_user(addr, &ulist[i].address) || - put_user(compat_ptr(addr), &list[i].address)) - return -EFAULT; - } - - ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) arg64); - if (ret) - return ret; - - for (i = 0; i < orig_count; i++) { - void __user *p; - if (get_user(n, &list[i].idx) || - put_user(n, &ulist[i].idx) || - get_user(n, &list[i].total) || - put_user(n, &ulist[i].total) || - get_user(n, &list[i].used) || - put_user(n, &ulist[i].used) || - get_user(p, &list[i].address) || - put_user((unsigned long)p, &ulist[i].address)) - return -EFAULT; - } - - if (get_user(n, &arg64->count) || put_user(n, &uarg->count)) - return -EFAULT; - - return 0; -} - -typedef struct drm32_dma { - /* Indices here refer to the offset into - buflist in drm_buf_get_t. */ - int context; /* Context handle */ - int send_count; /* Number of buffers to send */ - u32 send_indices; /* List of handles to buffers (int *) */ - u32 send_sizes; /* Lengths of data to send (int *) */ - drm_dma_flags_t flags; /* Flags */ - int request_count; /* Number of buffers requested */ - int request_size; /* Desired size for buffers */ - u32 request_indices; /* Buffer information (int *) */ - u32 request_sizes; /* (int *) */ - int granted_count; /* Number of buffers granted */ -} drm32_dma_t; -#define DRM32_IOCTL_DMA DRM_IOWR(0x29, drm32_dma_t) - -/* RED PEN The DRM layer blindly dereferences the send/request - * index/size arrays even though they are userland - * pointers. -DaveM - */ -static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_dma_t __user *uarg = (drm32_dma_t __user *) arg; - drm_dma_t __user *p = compat_alloc_user_space(sizeof(*p)); - compat_uptr_t addr; - int ret; - - if (copy_in_user(p, uarg, 2 * sizeof(int)) || - get_user(addr, &uarg->send_indices) || - put_user(compat_ptr(addr), &p->send_indices) || - get_user(addr, &uarg->send_sizes) || - put_user(compat_ptr(addr), &p->send_sizes) || - copy_in_user(&p->flags, &uarg->flags, sizeof(drm_dma_flags_t)) || - copy_in_user(&p->request_count, &uarg->request_count, sizeof(int))|| - copy_in_user(&p->request_size, &uarg->request_size, sizeof(int)) || - get_user(addr, &uarg->request_indices) || - put_user(compat_ptr(addr), &p->request_indices) || - get_user(addr, &uarg->request_sizes) || - put_user(compat_ptr(addr), &p->request_sizes) || - copy_in_user(&p->granted_count, &uarg->granted_count, sizeof(int))) - return -EFAULT; - - ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long)p); - if (ret) - return ret; - - if (copy_in_user(uarg, p, 2 * sizeof(int)) || - copy_in_user(&uarg->flags, &p->flags, sizeof(drm_dma_flags_t)) || - copy_in_user(&uarg->request_count, &p->request_count, sizeof(int))|| - copy_in_user(&uarg->request_size, &p->request_size, sizeof(int)) || - copy_in_user(&uarg->granted_count, &p->granted_count, sizeof(int))) - return -EFAULT; - - return 0; -} - -typedef struct drm32_ctx_res { - int count; - u32 contexts; /* (drm_ctx_t *) */ -} drm32_ctx_res_t; -#define DRM32_IOCTL_RES_CTX DRM_IOWR(0x26, drm32_ctx_res_t) - -static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - drm32_ctx_res_t __user *uarg = (drm32_ctx_res_t __user *) arg; - drm_ctx_res_t __user *p = compat_alloc_user_space(sizeof(*p)); - compat_uptr_t addr; - int ret; - - if (copy_in_user(p, uarg, sizeof(int)) || - get_user(addr, &uarg->contexts) || - put_user(compat_ptr(addr), &p->contexts)) - return -EFAULT; - - ret = sys_ioctl(fd, DRM_IOCTL_RES_CTX, (unsigned long)p); - if (ret) - return ret; - - if (copy_in_user(uarg, p, sizeof(int))) - return -EFAULT; - - return 0; -} - -#endif - typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, struct file *); #define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL((cmd),sys_ioctl) @@ -485,103 +115,14 @@ COMPATIBLE_IOCTL(FBIOSCURPOS) COMPATIBLE_IOCTL(FBIOGCURPOS) COMPATIBLE_IOCTL(FBIOGCURMAX) /* Little k */ -COMPATIBLE_IOCTL(KIOCTYPE) -COMPATIBLE_IOCTL(KIOCLAYOUT) -COMPATIBLE_IOCTL(KIOCGTRANS) -COMPATIBLE_IOCTL(KIOCTRANS) -COMPATIBLE_IOCTL(KIOCCMD) -COMPATIBLE_IOCTL(KIOCSDIRECT) -COMPATIBLE_IOCTL(KIOCSLED) -COMPATIBLE_IOCTL(KIOCGLED) -COMPATIBLE_IOCTL(KIOCSRATE) -COMPATIBLE_IOCTL(KIOCGRATE) -COMPATIBLE_IOCTL(VUIDSFORMAT) -COMPATIBLE_IOCTL(VUIDGFORMAT) /* Little v, the video4linux ioctls */ COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */ COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */ -COMPATIBLE_IOCTL(ENVCTRL_RD_WARNING_TEMPERATURE) -COMPATIBLE_IOCTL(ENVCTRL_RD_SHUTDOWN_TEMPERATURE) -COMPATIBLE_IOCTL(ENVCTRL_RD_CPU_TEMPERATURE) -COMPATIBLE_IOCTL(ENVCTRL_RD_FAN_STATUS) -COMPATIBLE_IOCTL(ENVCTRL_RD_VOLTAGE_STATUS) -COMPATIBLE_IOCTL(ENVCTRL_RD_SCSI_TEMPERATURE) -COMPATIBLE_IOCTL(ENVCTRL_RD_ETHERNET_TEMPERATURE) -COMPATIBLE_IOCTL(ENVCTRL_RD_MTHRBD_TEMPERATURE) -COMPATIBLE_IOCTL(ENVCTRL_RD_CPU_VOLTAGE) -COMPATIBLE_IOCTL(ENVCTRL_RD_GLOBALADDRESS) -/* COMPATIBLE_IOCTL(D7SIOCRD) same value as ENVCTRL_RD_VOLTAGE_STATUS */ -COMPATIBLE_IOCTL(D7SIOCWR) -COMPATIBLE_IOCTL(D7SIOCTM) -/* OPENPROMIO, SunOS/Solaris only, the NetBSD one's have - * embedded pointers in the arg which we'd need to clean up... - */ -COMPATIBLE_IOCTL(OPROMGETOPT) -COMPATIBLE_IOCTL(OPROMSETOPT) -COMPATIBLE_IOCTL(OPROMNXTOPT) -COMPATIBLE_IOCTL(OPROMSETOPT2) -COMPATIBLE_IOCTL(OPROMNEXT) -COMPATIBLE_IOCTL(OPROMCHILD) -COMPATIBLE_IOCTL(OPROMGETPROP) -COMPATIBLE_IOCTL(OPROMNXTPROP) -COMPATIBLE_IOCTL(OPROMU2P) -COMPATIBLE_IOCTL(OPROMGETCONS) -COMPATIBLE_IOCTL(OPROMGETFBNAME) -COMPATIBLE_IOCTL(OPROMGETBOOTARGS) -COMPATIBLE_IOCTL(OPROMSETCUR) -COMPATIBLE_IOCTL(OPROMPCI2NODE) -COMPATIBLE_IOCTL(OPROMPATH2NODE) -/* Big L */ -COMPATIBLE_IOCTL(LOOP_SET_STATUS64) -COMPATIBLE_IOCTL(LOOP_GET_STATUS64) -/* Big A */ -COMPATIBLE_IOCTL(AUDIO_GETINFO) -COMPATIBLE_IOCTL(AUDIO_SETINFO) -COMPATIBLE_IOCTL(AUDIO_DRAIN) -COMPATIBLE_IOCTL(AUDIO_GETDEV) -COMPATIBLE_IOCTL(AUDIO_GETDEV_SUNOS) -COMPATIBLE_IOCTL(AUDIO_FLUSH) -COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI) -#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE) -COMPATIBLE_IOCTL(DRM_IOCTL_GET_MAGIC) -COMPATIBLE_IOCTL(DRM_IOCTL_IRQ_BUSID) -COMPATIBLE_IOCTL(DRM_IOCTL_AUTH_MAGIC) -COMPATIBLE_IOCTL(DRM_IOCTL_BLOCK) -COMPATIBLE_IOCTL(DRM_IOCTL_UNBLOCK) -COMPATIBLE_IOCTL(DRM_IOCTL_CONTROL) -COMPATIBLE_IOCTL(DRM_IOCTL_ADD_BUFS) -COMPATIBLE_IOCTL(DRM_IOCTL_MARK_BUFS) -COMPATIBLE_IOCTL(DRM_IOCTL_ADD_CTX) -COMPATIBLE_IOCTL(DRM_IOCTL_RM_CTX) -COMPATIBLE_IOCTL(DRM_IOCTL_MOD_CTX) -COMPATIBLE_IOCTL(DRM_IOCTL_GET_CTX) -COMPATIBLE_IOCTL(DRM_IOCTL_SWITCH_CTX) -COMPATIBLE_IOCTL(DRM_IOCTL_NEW_CTX) -COMPATIBLE_IOCTL(DRM_IOCTL_ADD_DRAW) -COMPATIBLE_IOCTL(DRM_IOCTL_RM_DRAW) -COMPATIBLE_IOCTL(DRM_IOCTL_LOCK) -COMPATIBLE_IOCTL(DRM_IOCTL_UNLOCK) -COMPATIBLE_IOCTL(DRM_IOCTL_FINISH) -#endif /* DRM */ -COMPATIBLE_IOCTL(WIOCSTART) -COMPATIBLE_IOCTL(WIOCSTOP) -COMPATIBLE_IOCTL(WIOCGSTAT) /* And these ioctls need translation */ /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */ HANDLE_IOCTL(FBIOPUTCMAP32, fbiogetputcmap) HANDLE_IOCTL(FBIOGETCMAP32, fbiogetputcmap) HANDLE_IOCTL(FBIOSCURSOR32, fbiogscursor) -#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE) -HANDLE_IOCTL(DRM32_IOCTL_VERSION, drm32_version) -HANDLE_IOCTL(DRM32_IOCTL_GET_UNIQUE, drm32_getsetunique) -HANDLE_IOCTL(DRM32_IOCTL_SET_UNIQUE, drm32_getsetunique) -HANDLE_IOCTL(DRM32_IOCTL_ADD_MAP, drm32_addmap) -HANDLE_IOCTL(DRM32_IOCTL_INFO_BUFS, drm32_info_bufs) -HANDLE_IOCTL(DRM32_IOCTL_FREE_BUFS, drm32_free_bufs) -HANDLE_IOCTL(DRM32_IOCTL_MAP_BUFS, drm32_map_bufs) -HANDLE_IOCTL(DRM32_IOCTL_DMA, drm32_dma) -HANDLE_IOCTL(DRM32_IOCTL_RES_CTX, drm32_res_ctx) -#endif /* DRM */ #if 0 HANDLE_IOCTL(RTC32_IRQP_READ, do_rtc_ioctl) HANDLE_IOCTL(RTC32_IRQP_SET, do_rtc_ioctl) diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index c1f3423..bf1849d 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -154,6 +154,7 @@ int prom_callback(long *args) pud_t *pudp; pmd_t *pmdp; pte_t *ptep; + pte_t pte; for_each_process(p) { mm = p->mm; @@ -178,8 +179,9 @@ int prom_callback(long *args) * being called from inside OBP. */ ptep = pte_offset_map(pmdp, va); - if (pte_present(*ptep)) { - tte = pte_val(*ptep); + pte = *ptep; + if (pte_present(pte)) { + tte = pte_val(pte); res = PROM_TRUE; } pte_unmap(ptep); @@ -218,6 +220,7 @@ int prom_callback(long *args) pud_t *pudp; pmd_t *pmdp; pte_t *ptep; + pte_t pte; int error; if ((va >= LOW_OBP_ADDRESS) && (va < HI_OBP_ADDRESS)) { @@ -240,8 +243,9 @@ int prom_callback(long *args) * being called from inside OBP. */ ptep = pte_offset_kernel(pmdp, va); - if (pte_present(*ptep)) { - tte = pte_val(*ptep); + pte = *ptep; + if (pte_present(pte)) { + tte = pte_val(pte); res = PROM_TRUE; } goto done; diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c index aecccd0..009a86e 100644 --- a/arch/sparc64/kernel/signal32.c +++ b/arch/sparc64/kernel/signal32.c @@ -863,6 +863,7 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs, pud_t *pudp = pud_offset(pgdp, address); pmd_t *pmdp = pmd_offset(pudp, address); pte_t *ptep; + pte_t pte; regs->u_regs[UREG_I7] = (unsigned long) (&(sf->insns[0]) - 2); @@ -873,9 +874,10 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs, preempt_disable(); ptep = pte_offset_map(pmdp, address); - if (pte_present(*ptep)) { + pte = *ptep; + if (pte_present(pte)) { unsigned long page = (unsigned long) - page_address(pte_page(*ptep)); + page_address(pte_page(pte)); wmb(); __asm__ __volatile__("flush %0 + %1" diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index b137fd6..5d90ee9 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -839,43 +839,29 @@ void smp_flush_tlb_all(void) * questionable (in theory the big win for threads is the massive sharing of * address space state across processors). */ + +/* This currently is only used by the hugetlb arch pre-fault + * hook on UltraSPARC-III+ and later when changing the pagesize + * bits of the context register for an address space. + */ void smp_flush_tlb_mm(struct mm_struct *mm) { - /* - * This code is called from two places, dup_mmap and exit_mmap. In the - * former case, we really need a flush. In the later case, the callers - * are single threaded exec_mmap (really need a flush), multithreaded - * exec_mmap case (do not need to flush, since the caller gets a new - * context via activate_mm), and all other callers of mmput() whence - * the flush can be optimized since the associated threads are dead and - * the mm is being torn down (__exit_mm and other mmput callers) or the - * owning thread is dissociating itself from the mm. The - * (atomic_read(&mm->mm_users) == 0) check ensures real work is done - * for single thread exec and dup_mmap cases. An alternate check might - * have been (current->mm != mm). - * Kanoj Sarcar - */ - if (atomic_read(&mm->mm_users) == 0) - return; - - { - u32 ctx = CTX_HWBITS(mm->context); - int cpu = get_cpu(); + u32 ctx = CTX_HWBITS(mm->context); + int cpu = get_cpu(); - if (atomic_read(&mm->mm_users) == 1) { - mm->cpu_vm_mask = cpumask_of_cpu(cpu); - goto local_flush_and_out; - } + if (atomic_read(&mm->mm_users) == 1) { + mm->cpu_vm_mask = cpumask_of_cpu(cpu); + goto local_flush_and_out; + } - smp_cross_call_masked(&xcall_flush_tlb_mm, - ctx, 0, 0, - mm->cpu_vm_mask); + smp_cross_call_masked(&xcall_flush_tlb_mm, + ctx, 0, 0, + mm->cpu_vm_mask); - local_flush_and_out: - __flush_tlb_mm(ctx, SECONDARY_CONTEXT); +local_flush_and_out: + __flush_tlb_mm(ctx, SECONDARY_CONTEXT); - put_cpu(); - } + put_cpu(); } void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long *vaddrs) @@ -883,34 +869,13 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long u32 ctx = CTX_HWBITS(mm->context); int cpu = get_cpu(); - if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1) { + if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1) mm->cpu_vm_mask = cpumask_of_cpu(cpu); - goto local_flush_and_out; - } else { - /* This optimization is not valid. Normally - * we will be holding the page_table_lock, but - * there is an exception which is copy_page_range() - * when forking. The lock is held during the individual - * page table updates in the parent, but not at the - * top level, which is where we are invoked. - */ - if (0) { - cpumask_t this_cpu_mask = cpumask_of_cpu(cpu); - - /* By virtue of running under the mm->page_table_lock, - * and mmu_context.h:switch_mm doing the same, the - * following operation is safe. - */ - if (cpus_equal(mm->cpu_vm_mask, this_cpu_mask)) - goto local_flush_and_out; - } - } - - smp_cross_call_masked(&xcall_flush_tlb_pending, - ctx, nr, (unsigned long) vaddrs, - mm->cpu_vm_mask); + else + smp_cross_call_masked(&xcall_flush_tlb_pending, + ctx, nr, (unsigned long) vaddrs, + mm->cpu_vm_mask); -local_flush_and_out: __flush_tlb_pending(ctx, nr, vaddrs); put_cpu(); diff --git a/arch/sparc64/kernel/sunos_ioctl32.c b/arch/sparc64/kernel/sunos_ioctl32.c index 7654b8a..3f619ea 100644 --- a/arch/sparc64/kernel/sunos_ioctl32.c +++ b/arch/sparc64/kernel/sunos_ioctl32.c @@ -24,7 +24,6 @@ #include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/compat.h> -#include <asm/kbio.h> #define SUNOS_NR_OPEN 256 diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index 38c5525..459c8fb 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -60,17 +60,6 @@ static void __iomem *mstk48t59_regs; static int set_rtc_mmss(unsigned long); -static __init unsigned long dummy_get_tick(void) -{ - return 0; -} - -static __initdata struct sparc64_tick_ops dummy_tick_ops = { - .get_tick = dummy_get_tick, -}; - -struct sparc64_tick_ops *tick_ops __read_mostly = &dummy_tick_ops; - #define TICK_PRIV_BIT (1UL << 63) #ifdef CONFIG_SMP @@ -200,6 +189,8 @@ static struct sparc64_tick_ops tick_operations __read_mostly = { .softint_mask = 1UL << 0, }; +struct sparc64_tick_ops *tick_ops __read_mostly = &tick_operations; + static void stick_init_tick(unsigned long offset) { tick_disable_protection(); |