---

yaml --- r: 179313 b: refs/heads/master c: 9b96918 h: refs/heads/master i: 179311: e0e4dc1 v: v3
git-mirror · Jan 14, 2010 · 05e64d7 · 05e64d7
1 parent ee23fe0
commit 05e64d7
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Showing 100 changed files with 507 additions and 768 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bf0c346b3fbfb7315c5773767f3c7210fdeacce0
+refs/heads/master: 9b96918a974fcd6c9e752cc8b28157f776c601d3
diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -410,8 +410,9 @@ F:	drivers/i2c/busses/i2c-ali1563.c
 
 ALPHA PORT
 M:	Richard Henderson <rth@twiddle.net>
+S:	Odd Fixes for 2.4; Maintained for 2.6.
 M:	Ivan Kokshaysky <ink@jurassic.park.msu.ru>
-M:	Matt Turner <mattst88@gmail.com>
+S:	Maintained for 2.4; PCI support for 2.6.
 L:	linux-alpha@vger.kernel.org
 F:	arch/alpha/
 

diff --git a/trunk/arch/alpha/include/asm/topology.h b/trunk/arch/alpha/include/asm/topology.h
@@ -28,9 +28,6 @@ static const struct cpumask *cpumask_of_node(int node)
 {
 	int cpu;
 
-	if (node == -1)
-		return cpu_all_mask;
-
 	cpumask_clear(&node_to_cpumask_map[node]);
 
 	for_each_online_cpu(cpu) {

diff --git a/trunk/arch/arm/mach-davinci/include/mach/keyscan.h b/trunk/arch/arm/mach-davinci/include/mach/keyscan.h
@@ -29,7 +29,6 @@ enum davinci_matrix_types {
 };
 
 struct davinci_ks_platform_data {
-	int		(*device_enable)(struct device *dev);
 	unsigned short	*keymap;
 	u32		keymapsize;
 	u8		rep:1;

diff --git a/trunk/arch/arm/plat-s3c/dev-nand.c b/trunk/arch/arm/plat-s3c/dev-nand.c
@@ -58,8 +58,8 @@ static int __init s3c_nand_copy_set(struct s3c2410_nand_set *set)
 			return -ENOMEM;
 	}
 
-	size = sizeof(int) * set->nr_chips;
-	if (size) {
+	if (set->nr_map && set->nr_chips) {
+		size = sizeof(int) * set->nr_chips;
 		ptr = kmemdup(set->nr_map, size, GFP_KERNEL);
 		set->nr_map = ptr;
 

diff --git a/trunk/arch/s390/include/asm/bug.h b/trunk/arch/s390/include/asm/bug.h
@@ -52,10 +52,6 @@
 	unreachable();					\
 } while (0)
 
-#define __WARN() do {					\
-	__EMIT_BUG(BUGFLAG_WARNING);			\
-} while (0)
-
 #define WARN_ON(x) ({					\
 	int __ret_warn_on = !!(x);			\
 	if (__builtin_constant_p(__ret_warn_on)) {	\

diff --git a/trunk/arch/s390/include/asm/sigp.h b/trunk/arch/s390/include/asm/sigp.h
@@ -15,19 +15,11 @@
 #ifndef __SIGP__
 #define __SIGP__
 
-#include <asm/system.h>
+#include <asm/ptrace.h>
+#include <asm/atomic.h>
 
 /* get real cpu address from logical cpu number */
-extern int __cpu_logical_map[];
-
-static inline int cpu_logical_map(int cpu)
-{
-#ifdef CONFIG_SMP
-	return __cpu_logical_map[cpu];
-#else
-	return stap();
-#endif
-}
+extern volatile int __cpu_logical_map[];
 
 typedef enum
 {
@@ -87,7 +79,7 @@ signal_processor(__u16 cpu_addr, sigp_order_code order_code)
 		"	ipm	%0\n"
 		"	srl	%0,28\n"
 		:	"=d"	(ccode)
-		: "d" (reg1), "d" (cpu_logical_map(cpu_addr)),
+		: "d" (reg1), "d" (__cpu_logical_map[cpu_addr]),
 		  "a" (order_code) : "cc" , "memory");
 	return ccode;
 }
@@ -106,7 +98,7 @@ signal_processor_p(__u32 parameter, __u16 cpu_addr, sigp_order_code order_code)
 		"	ipm	%0\n"
 		"	srl	%0,28\n"
 		: "=d" (ccode)
-		: "d" (reg1), "d" (cpu_logical_map(cpu_addr)),
+		: "d" (reg1), "d" (__cpu_logical_map[cpu_addr]),
 		  "a" (order_code) : "cc" , "memory");
 	return ccode;
 }
@@ -126,7 +118,7 @@ signal_processor_ps(__u32 *statusptr, __u32 parameter, __u16 cpu_addr,
 		"	ipm	%0\n"
 		"	srl	%0,28\n"
 		: "=d" (ccode), "+d" (reg1)
-		: "d" (cpu_logical_map(cpu_addr)), "a" (order_code)
+		: "d" (__cpu_logical_map[cpu_addr]), "a" (order_code)
 		: "cc" , "memory");
 	*statusptr = reg1;
 	return ccode;

diff --git a/trunk/arch/s390/include/asm/thread_info.h b/trunk/arch/s390/include/asm/thread_info.h
@@ -93,12 +93,13 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SYSCALL_AUDIT	9	/* syscall auditing active */
 #define TIF_SECCOMP		10	/* secure computing */
 #define TIF_SYSCALL_TRACEPOINT	11	/* syscall tracepoint instrumentation */
-#define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling
+#define TIF_USEDFPU		16	/* FPU was used by this task this quantum (SMP) */
+#define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling 
 					   TIF_NEED_RESCHED */
-#define TIF_31BIT		17	/* 32bit process */
-#define TIF_MEMDIE		18
-#define TIF_RESTORE_SIGMASK	19	/* restore signal mask in do_signal() */
-#define TIF_FREEZE		20	/* thread is freezing for suspend */
+#define TIF_31BIT		18	/* 32bit process */ 
+#define TIF_MEMDIE		19
+#define TIF_RESTORE_SIGMASK	20	/* restore signal mask in do_signal() */
+#define TIF_FREEZE		21	/* thread is freezing for suspend */
 
 #define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
@@ -111,6 +112,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SYSCALL_AUDIT	(1<<TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP		(1<<TIF_SECCOMP)
 #define _TIF_SYSCALL_TRACEPOINT	(1<<TIF_SYSCALL_TRACEPOINT)
+#define _TIF_USEDFPU		(1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_31BIT		(1<<TIF_31BIT)
 #define _TIF_FREEZE		(1<<TIF_FREEZE)

diff --git a/trunk/arch/s390/include/asm/unistd.h b/trunk/arch/s390/include/asm/unistd.h
@@ -269,7 +269,8 @@
 #define	__NR_pwritev		329
 #define __NR_rt_tgsigqueueinfo	330
 #define __NR_perf_event_open	331
-#define NR_syscalls 332
+#define __NR_recvmmsg		332
+#define NR_syscalls 333
 
 /* 
  * There are some system calls that are not present on 64 bit, some
@@ -376,9 +377,6 @@
 #define __IGNORE_migrate_pages
 #define __IGNORE_move_pages
 
-/* Ignore system calls that are also reachable via sys_socket */
-#define __IGNORE_recvmmsg
-
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_SYS_ALARM

diff --git a/trunk/arch/s390/kernel/compat_linux.c b/trunk/arch/s390/kernel/compat_linux.c
@@ -616,35 +616,44 @@ asmlinkage long sys32_fstatat64(unsigned int dfd, char __user *filename,
  */
 
 struct mmap_arg_struct_emu31 {
-	compat_ulong_t addr;
-	compat_ulong_t len;
-	compat_ulong_t prot;
-	compat_ulong_t flags;
-	compat_ulong_t fd;
-	compat_ulong_t offset;
+	u32	addr;
+	u32	len;
+	u32	prot;
+	u32	flags;
+	u32	fd;
+	u32	offset;
 };
 
-asmlinkage unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
+asmlinkage unsigned long
+old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
 {
 	struct mmap_arg_struct_emu31 a;
+	int error = -EFAULT;
 
 	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
+		goto out;
+
+	error = -EINVAL;
 	if (a.offset & ~PAGE_MASK)
-		return -EINVAL;
-	a.addr = (unsigned long) compat_ptr(a.addr);
-	return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
-			      a.offset >> PAGE_SHIFT);
+		goto out;
+
+	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
+			       a.offset >> PAGE_SHIFT);
+out:
+	return error;
 }
 
-asmlinkage long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
+asmlinkage long 
+sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
 {
 	struct mmap_arg_struct_emu31 a;
+	int error = -EFAULT;
 
 	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	a.addr = (unsigned long) compat_ptr(a.addr);
-	return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
+		goto out;
+	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
+out:
+	return error;
 }
 
 asmlinkage long sys32_read(unsigned int fd, char __user * buf, size_t count)

diff --git a/trunk/arch/s390/kernel/compat_wrapper.S b/trunk/arch/s390/kernel/compat_wrapper.S
@@ -1853,3 +1853,12 @@ sys32_execve_wrapper:
 	llgtr	%r3,%r3			# compat_uptr_t *
 	llgtr	%r4,%r4			# compat_uptr_t *
 	jg	sys32_execve		# branch to system call
+
+	.globl	compat_sys_recvmmsg_wrapper
+compat_sys_recvmmsg_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# struct compat_mmsghdr *
+	llgfr	%r4,%r4			# unsigned int
+	llgfr	%r5,%r5			# unsigned int
+	llgtr	%r6,%r6			# struct compat_timespec *
+	jg	compat_sys_recvmmsg
diff --git a/trunk/arch/s390/kernel/process.c b/trunk/arch/s390/kernel/process.c
@@ -153,6 +153,8 @@ void exit_thread(void)
 
 void flush_thread(void)
 {
+	clear_used_math();
+	clear_tsk_thread_flag(current, TIF_USEDFPU);
 }
 
 void release_thread(struct task_struct *dead_task)
@@ -215,7 +217,6 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
 	p->thread.mm_segment = get_fs();
 	/* Don't copy debug registers */
 	memset(&p->thread.per_info, 0, sizeof(p->thread.per_info));
-	clear_tsk_thread_flag(p, TIF_SINGLE_STEP);
 	/* Initialize per thread user and system timer values */
 	ti = task_thread_info(p);
 	ti->user_timer = 0;

diff --git a/trunk/arch/s390/kernel/ptrace.c b/trunk/arch/s390/kernel/ptrace.c
@@ -65,7 +65,6 @@ FixPerRegisters(struct task_struct *task)
 {
 	struct pt_regs *regs;
 	per_struct *per_info;
-	per_cr_words cr_words;
 
 	regs = task_pt_regs(task);
 	per_info = (per_struct *) &task->thread.per_info;
@@ -99,13 +98,6 @@ FixPerRegisters(struct task_struct *task)
 		per_info->control_regs.bits.storage_alt_space_ctl = 1;
 	else
 		per_info->control_regs.bits.storage_alt_space_ctl = 0;
-
-	if (task == current) {
-		__ctl_store(cr_words, 9, 11);
-		if (memcmp(&cr_words, &per_info->control_regs.words,
-			   sizeof(cr_words)) != 0)
-			__ctl_load(per_info->control_regs.words, 9, 11);
-	}
 }
 
 void user_enable_single_step(struct task_struct *task)

diff --git a/trunk/arch/s390/kernel/setup.c b/trunk/arch/s390/kernel/setup.c
@@ -87,6 +87,7 @@ unsigned long elf_hwcap = 0;
 char elf_platform[ELF_PLATFORM_SIZE];
 
 struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS];
+volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */
 
 int __initdata memory_end_set;
 unsigned long __initdata memory_end;
@@ -123,6 +124,12 @@ void __cpuinit cpu_init(void)
          */
 	get_cpu_id(&S390_lowcore.cpu_id);
 
+        /*
+         * Force FPU initialization:
+         */
+        clear_thread_flag(TIF_USEDFPU);
+        clear_used_math();
+
 	atomic_inc(&init_mm.mm_count);
 	current->active_mm = &init_mm;
 	BUG_ON(current->mm);
@@ -848,6 +855,7 @@ setup_arch(char **cmdline_p)
 	setup_lowcore();
 
         cpu_init();
+	__cpu_logical_map[0] = stap();
 	s390_init_cpu_topology();
 
 	/*

diff --git a/trunk/arch/s390/kernel/signal.c b/trunk/arch/s390/kernel/signal.c
@@ -499,11 +499,19 @@ void do_signal(struct pt_regs *regs)
 			if (test_thread_flag(TIF_RESTORE_SIGMASK))
 				clear_thread_flag(TIF_RESTORE_SIGMASK);
 
+			/*
+			 * If we would have taken a single-step trap
+			 * for a normal instruction, act like we took
+			 * one for the handler setup.
+			 */
+			if (current->thread.per_info.single_step)
+				set_thread_flag(TIF_SINGLE_STEP);
+
 			/*
 			 * Let tracing know that we've done the handler setup.
 			 */
 			tracehook_signal_handler(signr, &info, &ka, regs,
-					current->thread.per_info.single_step);
+					 test_thread_flag(TIF_SINGLE_STEP));
 		}
 		return;
 	}

diff --git a/trunk/arch/s390/kernel/smp.c b/trunk/arch/s390/kernel/smp.c
@@ -52,9 +52,6 @@
 #include <asm/cpu.h>
 #include "entry.h"
 
-/* logical cpu to cpu address */
-int __cpu_logical_map[NR_CPUS];
-
 static struct task_struct *current_set[NR_CPUS];
 
 static u8 smp_cpu_type;
@@ -720,12 +717,6 @@ void __init smp_cpus_done(unsigned int max_cpus)
 {
 }
 
-void __init smp_setup_processor_id(void)
-{
-	S390_lowcore.cpu_nr = 0;
-	__cpu_logical_map[0] = stap();
-}
-
 /*
  * the frequency of the profiling timer can be changed
  * by writing a multiplier value into /proc/profile.

diff --git a/trunk/arch/s390/kernel/syscalls.S b/trunk/arch/s390/kernel/syscalls.S
@@ -340,3 +340,4 @@ SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper)
 SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)
 SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */
 SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
+SYSCALL(sys_recvmmsg,sys_recvmmsg,compat_sys_recvmmsg_wrapper)
diff --git a/trunk/arch/s390/kernel/topology.c b/trunk/arch/s390/kernel/topology.c
@@ -114,7 +114,7 @@ static void add_cpus_to_core(struct tl_cpu *tl_cpu, struct core_info *core)
 
 		rcpu = CPU_BITS - 1 - cpu + tl_cpu->origin;
 		for_each_present_cpu(lcpu) {
-			if (cpu_logical_map(lcpu) == rcpu) {
+			if (__cpu_logical_map[lcpu] == rcpu) {
 				cpu_set(lcpu, core->mask);
 				smp_cpu_polarization[lcpu] = tl_cpu->pp;
 			}

diff --git a/trunk/arch/s390/lib/spinlock.c b/trunk/arch/s390/lib/spinlock.c
@@ -34,7 +34,7 @@ static inline void _raw_yield_cpu(int cpu)
 {
 	if (MACHINE_HAS_DIAG9C)
 		asm volatile("diag %0,0,0x9c"
-			     : : "d" (cpu_logical_map(cpu)));
+			     : : "d" (__cpu_logical_map[cpu]));
 	else
 		_raw_yield();
 }

diff --git a/trunk/arch/s390/mm/mmap.c b/trunk/arch/s390/mm/mmap.c
@@ -40,7 +40,7 @@
 
 static inline unsigned long mmap_base(void)
 {
-	unsigned long gap = rlimit(RLIMIT_STACK);
+	unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
 
 	if (gap < MIN_GAP)
 		gap = MIN_GAP;
@@ -61,7 +61,7 @@ static inline int mmap_is_legacy(void)
 #endif
 	return sysctl_legacy_va_layout ||
 	    (current->personality & ADDR_COMPAT_LAYOUT) ||
-	    rlimit(RLIMIT_STACK) == RLIM_INFINITY;
+	    current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY;
 }
 
 #ifndef CONFIG_64BIT