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author | Michal Marek <mmarek@suse.cz> | 2010-10-12 13:09:06 (GMT) |
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committer | Michal Marek <mmarek@suse.cz> | 2010-10-12 13:09:06 (GMT) |
commit | 239060b93bb30a4ad55f1ecaa512464a035cc5ba (patch) | |
tree | 77f79810e57d4fc24356eca0cd6db463e8994128 /arch/um | |
parent | 1408b15b98635a13bad2e2a50b3c2ae2ccdf625b (diff) | |
parent | e9203c988234aa512bd45ca32b52e21c7bbfc414 (diff) | |
download | linux-239060b93bb30a4ad55f1ecaa512464a035cc5ba.tar.xz |
Merge branch 'kbuild/rc-fixes' into kbuild/kconfig
We need to revert the temporary hack in 71ebc01, hence the merge.
Diffstat (limited to 'arch/um')
-rw-r--r-- | arch/um/Kconfig.common | 4 | ||||
-rw-r--r-- | arch/um/drivers/chan_kern.c | 8 | ||||
-rw-r--r-- | arch/um/drivers/hostaudio_kern.c | 16 | ||||
-rw-r--r-- | arch/um/drivers/net_kern.c | 10 | ||||
-rw-r--r-- | arch/um/drivers/ubd_kern.c | 7 | ||||
-rw-r--r-- | arch/um/include/asm/dma-mapping.h | 1 | ||||
-rw-r--r-- | arch/um/include/asm/pgtable-3level.h | 4 | ||||
-rw-r--r-- | arch/um/include/shared/os.h | 3 | ||||
-rw-r--r-- | arch/um/kernel/exec.c | 6 | ||||
-rw-r--r-- | arch/um/kernel/internal.h | 2 | ||||
-rw-r--r-- | arch/um/kernel/ksyms.c | 3 | ||||
-rw-r--r-- | arch/um/kernel/ptrace.c | 21 | ||||
-rw-r--r-- | arch/um/kernel/syscall.c | 2 | ||||
-rw-r--r-- | arch/um/kernel/time.c | 16 | ||||
-rw-r--r-- | arch/um/os-Linux/file.c | 15 | ||||
-rw-r--r-- | arch/um/os-Linux/user_syms.c | 4 |
16 files changed, 68 insertions, 54 deletions
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common index e90ca86..049d048 100644 --- a/arch/um/Kconfig.common +++ b/arch/um/Kconfig.common @@ -53,10 +53,6 @@ config GENERIC_BUG default y depends on BUG -config GENERIC_TIME - bool - default y - config GENERIC_CLOCKEVENTS bool default y diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 6e51424..25e1965 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -210,9 +210,9 @@ void free_irqs(void) list_for_each(ele, &list) { chan = list_entry(ele, struct chan, free_list); - if (chan->input) + if (chan->input && chan->enabled) free_irq(chan->line->driver->read_irq, chan); - if (chan->output) + if (chan->output && chan->enabled) free_irq(chan->line->driver->write_irq, chan); chan->enabled = 0; } @@ -231,9 +231,9 @@ static void close_one_chan(struct chan *chan, int delay_free_irq) spin_unlock_irqrestore(&irqs_to_free_lock, flags); } else { - if (chan->input) + if (chan->input && chan->enabled) free_irq(chan->line->driver->read_irq, chan); - if (chan->output) + if (chan->output && chan->enabled) free_irq(chan->line->driver->write_irq, chan); chan->enabled = 0; } diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c index ae42695..0c46e39 100644 --- a/arch/um/drivers/hostaudio_kern.c +++ b/arch/um/drivers/hostaudio_kern.c @@ -8,6 +8,7 @@ #include "linux/slab.h" #include "linux/sound.h" #include "linux/soundcard.h" +#include "linux/smp_lock.h" #include "asm/uaccess.h" #include "init.h" #include "os.h" @@ -186,7 +187,9 @@ static int hostaudio_open(struct inode *inode, struct file *file) int ret; #ifdef DEBUG + kparam_block_sysfs_write(dsp); printk(KERN_DEBUG "hostaudio: open called (host: %s)\n", dsp); + kparam_unblock_sysfs_write(dsp); #endif state = kmalloc(sizeof(struct hostaudio_state), GFP_KERNEL); @@ -198,7 +201,12 @@ static int hostaudio_open(struct inode *inode, struct file *file) if (file->f_mode & FMODE_WRITE) w = 1; + kparam_block_sysfs_write(dsp); + lock_kernel(); ret = os_open_file(dsp, of_set_rw(OPENFLAGS(), r, w), 0); + unlock_kernel(); + kparam_unblock_sysfs_write(dsp); + if (ret < 0) { kfree(state); return ret; @@ -254,11 +262,17 @@ static int hostmixer_open_mixdev(struct inode *inode, struct file *file) if (file->f_mode & FMODE_WRITE) w = 1; + kparam_block_sysfs_write(mixer); + lock_kernel(); ret = os_open_file(mixer, of_set_rw(OPENFLAGS(), r, w), 0); + unlock_kernel(); + kparam_unblock_sysfs_write(mixer); if (ret < 0) { + kparam_block_sysfs_write(dsp); printk(KERN_ERR "hostaudio_open_mixdev failed to open '%s', " "err = %d\n", dsp, -ret); + kparam_unblock_sysfs_write(dsp); kfree(state); return ret; } @@ -314,8 +328,10 @@ MODULE_LICENSE("GPL"); static int __init hostaudio_init_module(void) { + __kernel_param_lock(); printk(KERN_INFO "UML Audio Relay (host dsp = %s, host mixer = %s)\n", dsp, mixer); + __kernel_param_unlock(); module_data.dev_audio = register_sound_dsp(&hostaudio_fops, -1); if (module_data.dev_audio < 0) { diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index f053726..2ab233b 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -25,11 +25,6 @@ #include "net_kern.h" #include "net_user.h" -static inline void set_ether_mac(struct net_device *dev, unsigned char *addr) -{ - memcpy(dev->dev_addr, addr, ETH_ALEN); -} - #define DRIVER_NAME "uml-netdev" static DEFINE_SPINLOCK(opened_lock); @@ -266,7 +261,7 @@ static int uml_net_set_mac(struct net_device *dev, void *addr) struct sockaddr *hwaddr = addr; spin_lock_irq(&lp->lock); - set_ether_mac(dev, hwaddr->sa_data); + eth_mac_addr(dev, hwaddr->sa_data); spin_unlock_irq(&lp->lock); return 0; @@ -380,7 +375,6 @@ static const struct net_device_ops uml_netdev_ops = { .ndo_tx_timeout = uml_net_tx_timeout, .ndo_set_mac_address = uml_net_set_mac, .ndo_change_mtu = uml_net_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; @@ -478,7 +472,7 @@ static void eth_configure(int n, void *init, char *mac, ((*transport->user->init)(&lp->user, dev) != 0)) goto out_unregister; - set_ether_mac(dev, device->mac); + eth_mac_addr(dev, device->mac); dev->mtu = transport->user->mtu; dev->netdev_ops = ¨_netdev_ops; dev->ethtool_ops = ¨_net_ethtool_ops; diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index da992a3..1bcd208 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -33,6 +33,7 @@ #include "linux/mm.h" #include "linux/slab.h" #include "linux/vmalloc.h" +#include "linux/smp_lock.h" #include "linux/blkpg.h" #include "linux/genhd.h" #include "linux/spinlock.h" @@ -1098,6 +1099,7 @@ static int ubd_open(struct block_device *bdev, fmode_t mode) struct ubd *ubd_dev = disk->private_data; int err = 0; + lock_kernel(); if(ubd_dev->count == 0){ err = ubd_open_dev(ubd_dev); if(err){ @@ -1115,7 +1117,8 @@ static int ubd_open(struct block_device *bdev, fmode_t mode) if(--ubd_dev->count == 0) ubd_close_dev(ubd_dev); err = -EROFS; }*/ - out: +out: + unlock_kernel(); return err; } @@ -1123,8 +1126,10 @@ static int ubd_release(struct gendisk *disk, fmode_t mode) { struct ubd *ubd_dev = disk->private_data; + lock_kernel(); if(--ubd_dev->count == 0) ubd_close_dev(ubd_dev); + unlock_kernel(); return 0; } diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h index b948c14..17a2cb5 100644 --- a/arch/um/include/asm/dma-mapping.h +++ b/arch/um/include/asm/dma-mapping.h @@ -94,7 +94,6 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -#define dma_is_consistent(d, h) (1) static inline int dma_get_cache_alignment(void) diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h index 084de4a..0032f92 100644 --- a/arch/um/include/asm/pgtable-3level.h +++ b/arch/um/include/asm/pgtable-3level.h @@ -60,7 +60,7 @@ set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd))) #ifdef CONFIG_64BIT -#define set_pud(pudptr, pudval) set_64bit((phys_t *) (pudptr), pud_val(pudval)) +#define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval)) #else #define set_pud(pudptr, pudval) (*(pudptr) = (pudval)) #endif @@ -73,7 +73,7 @@ static inline int pgd_newpage(pgd_t pgd) static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; } #ifdef CONFIG_64BIT -#define set_pmd(pmdptr, pmdval) set_64bit((phys_t *) (pmdptr), pmd_val(pmdval)) +#define set_pmd(pmdptr, pmdval) set_64bit((u64 *) (pmdptr), pmd_val(pmdval)) #else #define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval)) #endif diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index cd40fdd..c4617ba 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -161,6 +161,9 @@ extern int os_stat_filesystem(char *path, long *bsize_out, long *spare_out); extern int os_change_dir(char *dir); extern int os_fchange_dir(int fd); +extern unsigned os_major(unsigned long long dev); +extern unsigned os_minor(unsigned long long dev); +extern unsigned long long os_makedev(unsigned major, unsigned minor); /* start_up.c */ extern void os_early_checks(void); diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 97974c1..59b20d9 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -44,7 +44,7 @@ void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) PT_REGS_SP(regs) = esp; } -static long execve1(char *file, char __user * __user *argv, +static long execve1(const char *file, char __user * __user *argv, char __user *__user *env) { long error; @@ -61,7 +61,7 @@ static long execve1(char *file, char __user * __user *argv, return error; } -long um_execve(char *file, char __user *__user *argv, char __user *__user *env) +long um_execve(const char *file, char __user *__user *argv, char __user *__user *env) { long err; @@ -71,7 +71,7 @@ long um_execve(char *file, char __user *__user *argv, char __user *__user *env) return err; } -long sys_execve(char __user *file, char __user *__user *argv, +long sys_execve(const char __user *file, char __user *__user *argv, char __user *__user *env) { long error; diff --git a/arch/um/kernel/internal.h b/arch/um/kernel/internal.h index 3bda43c..1303a10 100644 --- a/arch/um/kernel/internal.h +++ b/arch/um/kernel/internal.h @@ -1 +1 @@ -extern long um_execve(char *file, char __user *__user *argv, char __user *__user *env); +extern long um_execve(const char *file, char __user *__user *argv, char __user *__user *env); diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c index 836fc9b..0ae0dfc 100644 --- a/arch/um/kernel/ksyms.c +++ b/arch/um/kernel/ksyms.c @@ -58,6 +58,9 @@ EXPORT_SYMBOL(os_accept_connection); EXPORT_SYMBOL(os_rcv_fd); EXPORT_SYMBOL(run_helper); EXPORT_SYMBOL(start_thread); +EXPORT_SYMBOL(os_major); +EXPORT_SYMBOL(os_minor); +EXPORT_SYMBOL(os_makedev); EXPORT_SYMBOL(add_sigio_fd); EXPORT_SYMBOL(ignore_sigio_fd); diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index 4845099..e051049 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -7,9 +7,6 @@ #include "linux/ptrace.h" #include "linux/sched.h" #include "asm/uaccess.h" -#ifdef CONFIG_PROC_MM -#include "proc_mm.h" -#endif #include "skas_ptrace.h" @@ -158,24 +155,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } #endif -#ifdef CONFIG_PROC_MM - case PTRACE_SWITCH_MM: { - struct mm_struct *old = child->mm; - struct mm_struct *new = proc_mm_get_mm(data); - - if (IS_ERR(new)) { - ret = PTR_ERR(new); - break; - } - - atomic_inc(&new->mm_users); - child->mm = new; - child->active_mm = new; - mmput(old); - ret = 0; - break; - } -#endif #ifdef PTRACE_ARCH_PRCTL case PTRACE_ARCH_PRCTL: /* XXX Calls ptrace on the host - needs some SMP thinking */ diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index 4393173..7427c0b 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -58,7 +58,7 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[]) fs = get_fs(); set_fs(KERNEL_DS); - ret = um_execve((char *)filename, (char __user *__user *)argv, + ret = um_execve(filename, (char __user *__user *)argv, (char __user *__user *) envp); set_fs(fs); diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index c8b9c46..a08d9fa 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -102,16 +102,16 @@ static void __init setup_itimer(void) clockevents_register_device(&itimer_clockevent); } -void __init time_init(void) +void read_persistent_clock(struct timespec *ts) { - long long nsecs; - - timer_init(); + long long nsecs = os_nsecs(); - nsecs = os_nsecs(); - set_normalized_timespec(&wall_to_monotonic, -nsecs / NSEC_PER_SEC, - -nsecs % NSEC_PER_SEC); - set_normalized_timespec(&xtime, nsecs / NSEC_PER_SEC, + set_normalized_timespec(ts, nsecs / NSEC_PER_SEC, nsecs % NSEC_PER_SEC); +} + +void __init time_init(void) +{ + timer_init(); late_time_init = setup_itimer; } diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c index b5afcfd..140e587 100644 --- a/arch/um/os-Linux/file.c +++ b/arch/um/os-Linux/file.c @@ -561,3 +561,18 @@ int os_lock_file(int fd, int excl) out: return err; } + +unsigned os_major(unsigned long long dev) +{ + return major(dev); +} + +unsigned os_minor(unsigned long long dev) +{ + return minor(dev); +} + +unsigned long long os_makedev(unsigned major, unsigned minor) +{ + return makedev(major, minor); +} diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c index 89b48a1..05f5ea8 100644 --- a/arch/um/os-Linux/user_syms.c +++ b/arch/um/os-Linux/user_syms.c @@ -103,6 +103,10 @@ EXPORT_SYMBOL_PROTO(getuid); EXPORT_SYMBOL_PROTO(fsync); EXPORT_SYMBOL_PROTO(fdatasync); +EXPORT_SYMBOL_PROTO(lstat64); +EXPORT_SYMBOL_PROTO(fstat64); +EXPORT_SYMBOL_PROTO(mknod); + /* Export symbols used by GCC for the stack protector. */ extern void __stack_smash_handler(void *) __attribute__((weak)); EXPORT_SYMBOL(__stack_smash_handler); |