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authorJames Morris <jmorris@namei.org>2008-11-18 02:52:37 -0500
committerJames Morris <jmorris@namei.org>2008-11-18 02:52:37 -0500
commitf3a5c547012a09f38f7c27b17a8e3150b69cd259 (patch)
tree4d1d47382a4a445fc7ef7431bcf5d06b7cca8539 /arch/s390/kernel
parente50a906e0200084f04f8f3b7c3a14b0442d1347f (diff)
parent4e14e833ac3b97a4aa8803eea49f899adc5bb5f4 (diff)
Merge branch 'master' into next
Conflicts: fs/cifs/misc.c Merge to resolve above, per the patch below. Signed-off-by: James Morris <jmorris@namei.org> diff --cc fs/cifs/misc.c index ec36410,addd1dc..0000000 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@@ -347,13 -338,13 +338,13 @@@ header_assemble(struct smb_hdr *buffer /* BB Add support for establishing new tCon and SMB Session */ /* with userid/password pairs found on the smb session */ /* for other target tcp/ip addresses BB */ - if (current->fsuid != treeCon->ses->linux_uid) { + if (current_fsuid() != treeCon->ses->linux_uid) { cFYI(1, ("Multiuser mode and UID " "did not match tcon uid")); - read_lock(&GlobalSMBSeslock); - list_for_each(temp_item, &GlobalSMBSessionList) { - ses = list_entry(temp_item, struct cifsSesInfo, cifsSessionList); + read_lock(&cifs_tcp_ses_lock); + list_for_each(temp_item, &treeCon->ses->server->smb_ses_list) { + ses = list_entry(temp_item, struct cifsSesInfo, smb_ses_list); - if (ses->linux_uid == current->fsuid) { + if (ses->linux_uid == current_fsuid()) { if (ses->server == treeCon->ses->server) { cFYI(1, ("found matching uid substitute right smb_uid")); buffer->Uid = ses->Suid;
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/entry.S20
-rw-r--r--arch/s390/kernel/entry64.S11
-rw-r--r--arch/s390/kernel/process.c3
-rw-r--r--arch/s390/kernel/setup.c4
-rw-r--r--arch/s390/kernel/sys_s390.c2
-rw-r--r--arch/s390/kernel/topology.c11
6 files changed, 33 insertions, 18 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index ed500ef799b7..08844fc24a2e 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -61,22 +61,25 @@ STACK_SIZE = 1 << STACK_SHIFT
61 61
62#ifdef CONFIG_TRACE_IRQFLAGS 62#ifdef CONFIG_TRACE_IRQFLAGS
63 .macro TRACE_IRQS_ON 63 .macro TRACE_IRQS_ON
64 l %r1,BASED(.Ltrace_irq_on) 64 basr %r2,%r0
65 l %r1,BASED(.Ltrace_irq_on_caller)
65 basr %r14,%r1 66 basr %r14,%r1
66 .endm 67 .endm
67 68
68 .macro TRACE_IRQS_OFF 69 .macro TRACE_IRQS_OFF
69 l %r1,BASED(.Ltrace_irq_off) 70 basr %r2,%r0
71 l %r1,BASED(.Ltrace_irq_off_caller)
70 basr %r14,%r1 72 basr %r14,%r1
71 .endm 73 .endm
72 74
73 .macro TRACE_IRQS_CHECK 75 .macro TRACE_IRQS_CHECK
76 basr %r2,%r0
74 tm SP_PSW(%r15),0x03 # irqs enabled? 77 tm SP_PSW(%r15),0x03 # irqs enabled?
75 jz 0f 78 jz 0f
76 l %r1,BASED(.Ltrace_irq_on) 79 l %r1,BASED(.Ltrace_irq_on_caller)
77 basr %r14,%r1 80 basr %r14,%r1
78 j 1f 81 j 1f
790: l %r1,BASED(.Ltrace_irq_off) 820: l %r1,BASED(.Ltrace_irq_off_caller)
80 basr %r14,%r1 83 basr %r14,%r1
811: 841:
82 .endm 85 .endm
@@ -1113,9 +1116,12 @@ cleanup_io_leave_insn:
1113.Lschedtail: .long schedule_tail 1116.Lschedtail: .long schedule_tail
1114.Lsysc_table: .long sys_call_table 1117.Lsysc_table: .long sys_call_table
1115#ifdef CONFIG_TRACE_IRQFLAGS 1118#ifdef CONFIG_TRACE_IRQFLAGS
1116.Ltrace_irq_on: .long trace_hardirqs_on 1119.Ltrace_irq_on_caller:
1117.Ltrace_irq_off: 1120 .long trace_hardirqs_on_caller
1118 .long trace_hardirqs_off 1121.Ltrace_irq_off_caller:
1122 .long trace_hardirqs_off_caller
1123#endif
1124#ifdef CONFIG_LOCKDEP
1119.Llockdep_sys_exit: 1125.Llockdep_sys_exit:
1120 .long lockdep_sys_exit 1126 .long lockdep_sys_exit
1121#endif 1127#endif
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index d7ce150453f2..41aca06682aa 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -61,19 +61,22 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
61 61
62#ifdef CONFIG_TRACE_IRQFLAGS 62#ifdef CONFIG_TRACE_IRQFLAGS
63 .macro TRACE_IRQS_ON 63 .macro TRACE_IRQS_ON
64 brasl %r14,trace_hardirqs_on 64 basr %r2,%r0
65 brasl %r14,trace_hardirqs_on_caller
65 .endm 66 .endm
66 67
67 .macro TRACE_IRQS_OFF 68 .macro TRACE_IRQS_OFF
68 brasl %r14,trace_hardirqs_off 69 basr %r2,%r0
70 brasl %r14,trace_hardirqs_off_caller
69 .endm 71 .endm
70 72
71 .macro TRACE_IRQS_CHECK 73 .macro TRACE_IRQS_CHECK
74 basr %r2,%r0
72 tm SP_PSW(%r15),0x03 # irqs enabled? 75 tm SP_PSW(%r15),0x03 # irqs enabled?
73 jz 0f 76 jz 0f
74 brasl %r14,trace_hardirqs_on 77 brasl %r14,trace_hardirqs_on_caller
75 j 1f 78 j 1f
760: brasl %r14,trace_hardirqs_off 790: brasl %r14,trace_hardirqs_off_caller
771: 801:
78 .endm 81 .endm
79#else 82#else
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 3e2c05cb6a87..04f8c67a6101 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -136,9 +136,12 @@ static void default_idle(void)
136 return; 136 return;
137 } 137 }
138 trace_hardirqs_on(); 138 trace_hardirqs_on();
139 /* Don't trace preempt off for idle. */
140 stop_critical_timings();
139 /* Wait for external, I/O or machine check interrupt. */ 141 /* Wait for external, I/O or machine check interrupt. */
140 __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT | 142 __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT |
141 PSW_MASK_IO | PSW_MASK_EXT); 143 PSW_MASK_IO | PSW_MASK_EXT);
144 start_critical_timings();
142} 145}
143 146
144void cpu_idle(void) 147void cpu_idle(void)
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 62122bad1e33..400b040df7fa 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -604,13 +604,13 @@ setup_memory(void)
604 if (memory_chunk[i].type != CHUNK_READ_WRITE) 604 if (memory_chunk[i].type != CHUNK_READ_WRITE)
605 continue; 605 continue;
606 start_chunk = PFN_DOWN(memory_chunk[i].addr); 606 start_chunk = PFN_DOWN(memory_chunk[i].addr);
607 end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size) - 1; 607 end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size);
608 end_chunk = min(end_chunk, end_pfn); 608 end_chunk = min(end_chunk, end_pfn);
609 if (start_chunk >= end_chunk) 609 if (start_chunk >= end_chunk)
610 continue; 610 continue;
611 add_active_range(0, start_chunk, end_chunk); 611 add_active_range(0, start_chunk, end_chunk);
612 pfn = max(start_chunk, start_pfn); 612 pfn = max(start_chunk, start_pfn);
613 for (; pfn <= end_chunk; pfn++) 613 for (; pfn < end_chunk; pfn++)
614 page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY); 614 page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY);
615 } 615 }
616 616
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index 5fdb799062b7..4fe952e557ac 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -198,7 +198,7 @@ asmlinkage long s390x_newuname(struct new_utsname __user *name)
198{ 198{
199 int ret = sys_newuname(name); 199 int ret = sys_newuname(name);
200 200
201 if (current->personality == PER_LINUX32 && !ret) { 201 if (personality(current->personality) == PER_LINUX32 && !ret) {
202 ret = copy_to_user(name->machine, "s390\0\0\0\0", 8); 202 ret = copy_to_user(name->machine, "s390\0\0\0\0", 8);
203 if (ret) ret = -EFAULT; 203 if (ret) ret = -EFAULT;
204 } 204 }
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 632b13e10053..a947899dcba1 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -65,18 +65,21 @@ static int machine_has_topology_irq;
65static struct timer_list topology_timer; 65static struct timer_list topology_timer;
66static void set_topology_timer(void); 66static void set_topology_timer(void);
67static DECLARE_WORK(topology_work, topology_work_fn); 67static DECLARE_WORK(topology_work, topology_work_fn);
68/* topology_lock protects the core linked list */
69static DEFINE_SPINLOCK(topology_lock);
68 70
69cpumask_t cpu_core_map[NR_CPUS]; 71cpumask_t cpu_core_map[NR_CPUS];
70 72
71cpumask_t cpu_coregroup_map(unsigned int cpu) 73cpumask_t cpu_coregroup_map(unsigned int cpu)
72{ 74{
73 struct core_info *core = &core_info; 75 struct core_info *core = &core_info;
76 unsigned long flags;
74 cpumask_t mask; 77 cpumask_t mask;
75 78
76 cpus_clear(mask); 79 cpus_clear(mask);
77 if (!machine_has_topology) 80 if (!machine_has_topology)
78 return cpu_present_map; 81 return cpu_present_map;
79 mutex_lock(&smp_cpu_state_mutex); 82 spin_lock_irqsave(&topology_lock, flags);
80 while (core) { 83 while (core) {
81 if (cpu_isset(cpu, core->mask)) { 84 if (cpu_isset(cpu, core->mask)) {
82 mask = core->mask; 85 mask = core->mask;
@@ -84,7 +87,7 @@ cpumask_t cpu_coregroup_map(unsigned int cpu)
84 } 87 }
85 core = core->next; 88 core = core->next;
86 } 89 }
87 mutex_unlock(&smp_cpu_state_mutex); 90 spin_unlock_irqrestore(&topology_lock, flags);
88 if (cpus_empty(mask)) 91 if (cpus_empty(mask))
89 mask = cpumask_of_cpu(cpu); 92 mask = cpumask_of_cpu(cpu);
90 return mask; 93 return mask;
@@ -133,7 +136,7 @@ static void tl_to_cores(struct tl_info *info)
133 union tl_entry *tle, *end; 136 union tl_entry *tle, *end;
134 struct core_info *core = &core_info; 137 struct core_info *core = &core_info;
135 138
136 mutex_lock(&smp_cpu_state_mutex); 139 spin_lock_irq(&topology_lock);
137 clear_cores(); 140 clear_cores();
138 tle = info->tle; 141 tle = info->tle;
139 end = (union tl_entry *)((unsigned long)info + info->length); 142 end = (union tl_entry *)((unsigned long)info + info->length);
@@ -157,7 +160,7 @@ static void tl_to_cores(struct tl_info *info)
157 } 160 }
158 tle = next_tle(tle); 161 tle = next_tle(tle);
159 } 162 }
160 mutex_unlock(&smp_cpu_state_mutex); 163 spin_unlock_irq(&topology_lock);
161} 164}
162 165
163static void topology_update_polarization_simple(void) 166static void topology_update_polarization_simple(void)