summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kernel/asm-offsets.c2
-rw-r--r--arch/arm/kernel/dma-isa.c23
-rw-r--r--arch/arm/kernel/process.c2
-rw-r--r--arch/arm/lib/backtrace.S4
-rw-r--r--arch/arm/lib/div64.S4
-rw-r--r--arch/arm/mach-realview/realview_eb.c5
-rw-r--r--arch/arm/mm/ioremap.c4
-rw-r--r--arch/i386/kernel/acpi/boot.c8
-rw-r--r--arch/powerpc/kernel/prom_init.c2
-rw-r--r--arch/powerpc/platforms/pseries/setup.c2
-rw-r--r--arch/x86_64/kernel/pci-nommu.c7
-rw-r--r--arch/x86_64/kernel/traps.c21
-rw-r--r--arch/x86_64/mm/srat.c15
13 files changed, 72 insertions, 27 deletions
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 45fdf4a51a2a..396efba9bacd 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -99,6 +99,8 @@ int main(void)
DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
DEFINE(MACHINFO_PHYSIO, offsetof(struct machine_desc, phys_io));
DEFINE(MACHINFO_PGOFFIO, offsetof(struct machine_desc, io_pg_offst));
+ BLANK();
+ DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
DEFINE(PROCINFO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mmu_flags));
return 0;
diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/kernel/dma-isa.c
index 03532769a97f..0a3e9ad297d8 100644
--- a/arch/arm/kernel/dma-isa.c
+++ b/arch/arm/kernel/dma-isa.c
@@ -143,12 +143,23 @@ static struct dma_ops isa_dma_ops = {
.residue = isa_get_dma_residue,
};
-static struct resource dma_resources[] = {
- { "dma1", 0x0000, 0x000f },
- { "dma low page", 0x0080, 0x008f },
- { "dma2", 0x00c0, 0x00df },
- { "dma high page", 0x0480, 0x048f }
-};
+static struct resource dma_resources[] = { {
+ .name = "dma1",
+ .start = 0x0000,
+ .end = 0x000f
+}, {
+ .name = "dma low page",
+ .start = 0x0080,
+ .end = 0x008f
+}, {
+ .name = "dma2",
+ .start = 0x00c0,
+ .end = 0x00df
+}, {
+ .name = "dma high page",
+ .start = 0x0480,
+ .end = 0x048f
+} };
void __init isa_init_dma(dma_t *dma)
{
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 1a1539e3a946..7df6e1aaa323 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -311,7 +311,7 @@ void free_thread_info(struct thread_info *thread)
struct thread_info_list *th = &get_cpu_var(thread_info_list);
if (th->nr < EXTRA_TASK_STRUCT) {
unsigned long *p = (unsigned long *)thread;
- p[0] = th->head;
+ p[0] = (unsigned long)th->head;
th->head = p;
th->nr += 1;
put_cpu_var(thread_info_list);
diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S
index 3bdc8c6949c5..16153c86c3f8 100644
--- a/arch/arm/lib/backtrace.S
+++ b/arch/arm/lib/backtrace.S
@@ -122,7 +122,7 @@ ENTRY(c_backtrace)
#define reg r5
#define stack r6
-.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, lr}
+.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, r8, lr}
mov stack, r0
mov instr, r1
mov reg, #9
@@ -145,7 +145,7 @@ ENTRY(c_backtrace)
adrne r0, .Lcr
blne printk
mov r0, stack
- LOADREGS(fd, sp!, {instr, reg, stack, r7, pc})
+ LOADREGS(fd, sp!, {instr, reg, stack, r7, r8, pc})
.Lfp: .asciz " r%d = %08X%c"
.Lcr: .asciz "\n"
diff --git a/arch/arm/lib/div64.S b/arch/arm/lib/div64.S
index ec9a1cd6176f..58eef6607629 100644
--- a/arch/arm/lib/div64.S
+++ b/arch/arm/lib/div64.S
@@ -189,12 +189,12 @@ ENTRY(__do_div64)
moveq pc, lr
@ Division by 0:
- str lr, [sp, #-4]!
+ str lr, [sp, #-8]!
bl __div0
@ as wrong as it could be...
mov yl, #0
mov yh, #0
mov xh, #0
- ldr pc, [sp], #4
+ ldr pc, [sp], #8
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index d4a586e38d5b..693fb1e396e0 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -137,8 +137,11 @@ static struct amba_device *amba_devs[] __initdata = {
static void __init gic_init_irq(void)
{
#ifdef CONFIG_REALVIEW_MPCORE
+ unsigned int pldctrl;
writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
- writel(0x008003c0, __io_address(REALVIEW_SYS_BASE) + 0xd8);
+ pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + 0xd8);
+ pldctrl |= 0x00800000; /* New irq mode */
+ writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + 0xd8);
writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
#endif
gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE));
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 25e0ca3e598c..c1f7180c7bed 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -141,7 +141,7 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
return NULL;
addr = (unsigned long)area->addr;
if (remap_area_pages(addr, pfn, size, flags)) {
- vfree((void *)addr);
+ vunmap((void *)addr);
return NULL;
}
return (void __iomem *) (offset + (char *)addr);
@@ -173,7 +173,7 @@ EXPORT_SYMBOL(__ioremap);
void __iounmap(void __iomem *addr)
{
- vfree((void *) (PAGE_MASK & (unsigned long) addr));
+ vunmap((void *)(PAGE_MASK & (unsigned long)addr));
}
EXPORT_SYMBOL(__iounmap);
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 40e5aba3ad3d..daee69579b1c 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -1066,6 +1066,14 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
},
},
+ {
+ .callback = disable_acpi_pci,
+ .ident = "HP xw9300",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP xw9300 Workstation"),
+ },
+ },
{}
};
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 078fb5533541..2d80653aa2af 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1636,7 +1636,7 @@ static int __init prom_find_machine_type(void)
compat, sizeof(compat)-1);
if (len <= 0)
return PLATFORM_GENERIC;
- if (strncmp(compat, RELOC("chrp"), 4))
+ if (strcmp(compat, RELOC("chrp")))
return PLATFORM_GENERIC;
/* Default to pSeries. We need to know if we are running LPAR */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 5eb55ef1c91c..5f79f01c44f2 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -255,7 +255,7 @@ static int __init pSeries_init_panel(void)
{
/* Manually leave the kernel version on the panel. */
ppc_md.progress("Linux ppc64\n", 0);
- ppc_md.progress(system_utsname.version, 0);
+ ppc_md.progress(system_utsname.release, 0);
return 0;
}
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c
index 44adcc2d5e5b..1f6ecc62061d 100644
--- a/arch/x86_64/kernel/pci-nommu.c
+++ b/arch/x86_64/kernel/pci-nommu.c
@@ -12,9 +12,10 @@ static int
check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size)
{
if (hwdev && bus + size > *hwdev->dma_mask) {
- printk(KERN_ERR
- "nommu_%s: overflow %Lx+%lu of device mask %Lx\n",
- name, (long long)bus, size, (long long)*hwdev->dma_mask);
+ if (*hwdev->dma_mask >= 0xffffffffULL)
+ printk(KERN_ERR
+ "nommu_%s: overflow %Lx+%lu of device mask %Lx\n",
+ name, (long long)bus, size, (long long)*hwdev->dma_mask);
return 0;
}
return 1;
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 6b87268c5c2e..cea335e8746c 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -102,6 +102,8 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
{
if (regs->eflags & X86_EFLAGS_IF)
local_irq_disable();
+ /* Make sure to not schedule here because we could be running
+ on an exception stack. */
preempt_enable_no_resched();
}
@@ -483,8 +485,6 @@ static void __kprobes do_trap(int trapnr, int signr, char *str,
{
struct task_struct *tsk = current;
- conditional_sti(regs);
-
tsk->thread.error_code = error_code;
tsk->thread.trap_no = trapnr;
@@ -521,6 +521,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
== NOTIFY_STOP) \
return; \
+ conditional_sti(regs); \
do_trap(trapnr, signr, str, regs, error_code, NULL); \
}
@@ -535,6 +536,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
== NOTIFY_STOP) \
return; \
+ conditional_sti(regs); \
do_trap(trapnr, signr, str, regs, error_code, &info); \
}
@@ -548,7 +550,17 @@ DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
DO_ERROR(18, SIGSEGV, "reserved", reserved)
-DO_ERROR(12, SIGBUS, "stack segment", stack_segment)
+
+/* Runs on IST stack */
+asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code)
+{
+ if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
+ 12, SIGBUS) == NOTIFY_STOP)
+ return;
+ preempt_conditional_sti(regs);
+ do_trap(12, SIGBUS, "stack segment", regs, error_code, NULL);
+ preempt_conditional_cli(regs);
+}
asmlinkage void do_double_fault(struct pt_regs * regs, long error_code)
{
@@ -682,8 +694,9 @@ asmlinkage void __kprobes do_int3(struct pt_regs * regs, long error_code)
if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) {
return;
}
+ preempt_conditional_sti(regs);
do_trap(3, SIGTRAP, "int3", regs, error_code, NULL);
- return;
+ preempt_conditional_cli(regs);
}
/* Help handler running on IST stack to switch back to user stack
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 15ae9fcd65a7..e1513532df29 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -34,7 +34,10 @@ static nodemask_t nodes_found __initdata;
static struct bootnode nodes[MAX_NUMNODES] __initdata;
static struct bootnode nodes_add[MAX_NUMNODES] __initdata;
static int found_add_area __initdata;
-int hotadd_percent __initdata = 10;
+int hotadd_percent __initdata = 0;
+#ifndef RESERVE_HOTADD
+#define hotadd_percent 0 /* Ignore all settings */
+#endif
static u8 pxm2node[256] = { [0 ... 255] = 0xff };
/* Too small nodes confuse the VM badly. Usually they result
@@ -103,6 +106,7 @@ static __init void bad_srat(void)
int i;
printk(KERN_ERR "SRAT: SRAT not used.\n");
acpi_numa = -1;
+ found_add_area = 0;
for (i = 0; i < MAX_LOCAL_APIC; i++)
apicid_to_node[i] = NUMA_NO_NODE;
for (i = 0; i < MAX_NUMNODES; i++)
@@ -154,7 +158,8 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
int pxm, node;
if (srat_disabled())
return;
- if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) { bad_srat();
+ if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) {
+ bad_srat();
return;
}
if (pa->flags.enabled == 0)
@@ -191,15 +196,17 @@ static int hotadd_enough_memory(struct bootnode *nd)
allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE;
allowed = (allowed / 100) * hotadd_percent;
if (allocated + mem > allowed) {
+ unsigned long range;
/* Give them at least part of their hotadd memory upto hotadd_percent
It would be better to spread the limit out
over multiple hotplug areas, but that is too complicated
right now */
if (allocated >= allowed)
return 0;
- pages = (allowed - allocated + mem) / sizeof(struct page);
+ range = allowed - allocated;
+ pages = (range / PAGE_SIZE);
mem = pages * sizeof(struct page);
- nd->end = nd->start + pages*PAGE_SIZE;
+ nd->end = nd->start + range;
}
/* Not completely fool proof, but a good sanity check */
addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-03 03:14:30 +0300