diff options
| -rw-r--r-- | CREDITS | 6 | ||||
| -rw-r--r-- | arch/i386/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/i386/kernel/traps.c | 10 | ||||
| -rw-r--r-- | arch/x86_64/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/x86_64/kernel/traps.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/osl.c | 34 | ||||
| -rw-r--r-- | drivers/video/aty/radeon_i2c.c | 8 | ||||
| -rw-r--r-- | drivers/video/fb_ddc.c | 6 | ||||
| -rw-r--r-- | kernel/lockdep.c | 3 |
9 files changed, 54 insertions, 27 deletions
@@ -3511,14 +3511,12 @@ D: The Linux Support Team Erlangen N: David Weinehall E: tao@acc.umu.se +P: 1024D/DC47CA16 7ACE 0FB0 7A74 F994 9B36 E1D1 D14E 8526 DC47 CA16 W: http://www.acc.umu.se/~tao/ -W: http://www.acc.umu.se/~mcalinux/ +D: v2.0 kernel maintainer D: Fixes for the NE/2-driver D: Miscellaneous MCA-support D: Cleanup of the Config-files -S: Axtorpsvagen 40:20 -S: S-903 37 UMEA -S: Sweden N: Matt Welsh E: mdw@metalab.unc.edu diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 1e1fa3e391a388..dd53c58f64f1bd 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -205,7 +205,7 @@ void cpu_idle(void) void cpu_idle_wait(void) { unsigned int cpu, this_cpu = get_cpu(); - cpumask_t map; + cpumask_t map, tmp = current->cpus_allowed; set_cpus_allowed(current, cpumask_of_cpu(this_cpu)); put_cpu(); @@ -227,6 +227,8 @@ void cpu_idle_wait(void) } cpus_and(map, map, cpu_online_map); } while (!cpus_empty(map)); + + set_cpus_allowed(current, tmp); } EXPORT_SYMBOL_GPL(cpu_idle_wait); diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 00489b706d2719..fe9c5e8e7e6f50 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -129,15 +129,19 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo, #ifdef CONFIG_FRAME_POINTER while (valid_stack_ptr(tinfo, (void *)ebp)) { + unsigned long new_ebp; addr = *(unsigned long *)(ebp + 4); ops->address(data, addr); /* * break out of recursive entries (such as - * end_of_stack_stop_unwind_function): + * end_of_stack_stop_unwind_function). Also, + * we can never allow a frame pointer to + * move downwards! */ - if (ebp == *(unsigned long *)ebp) + new_ebp = *(unsigned long *)ebp; + if (new_ebp <= ebp) break; - ebp = *(unsigned long *)ebp; + ebp = new_ebp; } #else while (valid_stack_ptr(tinfo, stack)) { diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index f6226055d53de3..7451a4c43c1681 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -144,7 +144,7 @@ static void poll_idle (void) void cpu_idle_wait(void) { unsigned int cpu, this_cpu = get_cpu(); - cpumask_t map; + cpumask_t map, tmp = current->cpus_allowed; set_cpus_allowed(current, cpumask_of_cpu(this_cpu)); put_cpu(); @@ -167,6 +167,8 @@ void cpu_idle_wait(void) } cpus_and(map, map, cpu_online_map); } while (!cpus_empty(map)); + + set_cpus_allowed(current, tmp); } EXPORT_SYMBOL_GPL(cpu_idle_wait); diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 7819022a8db598..a153d0a01b7215 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -290,6 +290,12 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s if (tsk && tsk != current) stack = (unsigned long *)tsk->thread.rsp; } + /* + * Align the stack pointer on word boundary, later loops + * rely on that (and corruption / debug info bugs can cause + * unaligned values here): + */ + stack = (unsigned long *)((unsigned long)stack & ~(sizeof(long)-1)); /* * Print function call entries within a stack. 'cond' is the diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index c84286cbbe2571..068fe4f100b0f8 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -73,7 +73,6 @@ static unsigned int acpi_irq_irq; static acpi_osd_handler acpi_irq_handler; static void *acpi_irq_context; static struct workqueue_struct *kacpid_wq; -static struct workqueue_struct *kacpi_notify_wq; acpi_status acpi_os_initialize(void) { @@ -92,9 +91,8 @@ acpi_status acpi_os_initialize1(void) return AE_NULL_ENTRY; } kacpid_wq = create_singlethread_workqueue("kacpid"); - kacpi_notify_wq = create_singlethread_workqueue("kacpi_notify"); BUG_ON(!kacpid_wq); - BUG_ON(!kacpi_notify_wq); + return AE_OK; } @@ -106,7 +104,6 @@ acpi_status acpi_os_terminate(void) } destroy_workqueue(kacpid_wq); - destroy_workqueue(kacpi_notify_wq); return AE_OK; } @@ -569,7 +566,10 @@ void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */ static void acpi_os_execute_deferred(void *context) { - struct acpi_os_dpc *dpc = (struct acpi_os_dpc *)context; + struct acpi_os_dpc *dpc = NULL; + + + dpc = (struct acpi_os_dpc *)context; if (!dpc) { printk(KERN_ERR PREFIX "Invalid (NULL) context\n"); return; @@ -604,12 +604,14 @@ acpi_status acpi_os_execute(acpi_execute_type type, struct acpi_os_dpc *dpc; struct work_struct *task; + ACPI_FUNCTION_TRACE("os_queue_for_execution"); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Scheduling function [%p(%p)] for deferred execution.\n", function, context)); if (!function) - return AE_BAD_PARAMETER; + return_ACPI_STATUS(AE_BAD_PARAMETER); /* * Allocate/initialize DPC structure. Note that this memory will be @@ -622,20 +624,26 @@ acpi_status acpi_os_execute(acpi_execute_type type, * from the same memory. */ - dpc = kmalloc(sizeof(struct acpi_os_dpc) + - sizeof(struct work_struct), GFP_ATOMIC); + dpc = + kmalloc(sizeof(struct acpi_os_dpc) + sizeof(struct work_struct), + GFP_ATOMIC); if (!dpc) - return AE_NO_MEMORY; + return_ACPI_STATUS(AE_NO_MEMORY); + dpc->function = function; dpc->context = context; + task = (void *)(dpc + 1); INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc); - if (!queue_work((type == OSL_NOTIFY_HANDLER)? - kacpi_notify_wq : kacpid_wq, task)) { - status = AE_ERROR; + + if (!queue_work(kacpid_wq, task)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Call to queue_work() failed.\n")); kfree(dpc); + status = AE_ERROR; } - return status; + + return_ACPI_STATUS(status); } EXPORT_SYMBOL(acpi_os_execute); diff --git a/drivers/video/aty/radeon_i2c.c b/drivers/video/aty/radeon_i2c.c index 676754520099ca..869725a13c21f6 100644 --- a/drivers/video/aty/radeon_i2c.c +++ b/drivers/video/aty/radeon_i2c.c @@ -139,7 +139,13 @@ void radeon_delete_i2c_busses(struct radeonfb_info *rinfo) int radeon_probe_i2c_connector(struct radeonfb_info *rinfo, int conn, u8 **out_edid) { - u8 *edid = fb_ddc_read(&rinfo->i2c[conn-1].adapter); + u32 reg = rinfo->i2c[conn-1].ddc_reg; + u8 *edid; + + OUTREG(reg, INREG(reg) & + ~(VGA_DDC_DATA_OUTPUT | VGA_DDC_CLK_OUTPUT)); + + edid = fb_ddc_read(&rinfo->i2c[conn-1].adapter); if (out_edid) *out_edid = edid; diff --git a/drivers/video/fb_ddc.c b/drivers/video/fb_ddc.c index 3aa6ebf68f178d..f836137a0edac3 100644 --- a/drivers/video/fb_ddc.c +++ b/drivers/video/fb_ddc.c @@ -20,26 +20,26 @@ static unsigned char *fb_do_probe_ddc_edid(struct i2c_adapter *adapter) { unsigned char start = 0x0; + unsigned char *buf = kmalloc(EDID_LENGTH, GFP_KERNEL); struct i2c_msg msgs[] = { { .addr = DDC_ADDR, + .flags = 0, .len = 1, .buf = &start, }, { .addr = DDC_ADDR, .flags = I2C_M_RD, .len = EDID_LENGTH, + .buf = buf, } }; - unsigned char *buf; - buf = kmalloc(EDID_LENGTH, GFP_KERNEL); if (!buf) { dev_warn(&adapter->dev, "unable to allocate memory for EDID " "block.\n"); return NULL; } - msgs[1].buf = buf; if (i2c_transfer(adapter, msgs, 2) == 2) return buf; diff --git a/kernel/lockdep.c b/kernel/lockdep.c index b739be2a6dc9ad..c9fefdb1a7db45 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -1081,7 +1081,8 @@ static int static_obj(void *obj) */ for_each_possible_cpu(i) { start = (unsigned long) &__per_cpu_start + per_cpu_offset(i); - end = (unsigned long) &__per_cpu_end + per_cpu_offset(i); + end = (unsigned long) &__per_cpu_start + PERCPU_ENOUGH_ROOM + + per_cpu_offset(i); if ((addr >= start) && (addr < end)) return 1; |