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Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, Calgary: Increase max PHB number
  x86: Fix rebooting on Dell Precision WorkStation T7400
  x86: Fix vsyscall on gcc 4.5 with -Os
  x86, pat: Proper init of memtype subtree_max_end
  um, hweight: Fix UML boot crash due to x86 optimized hweight
  x86, setup: Set ax register in boot vga query
  percpu, x86: Avoid warnings of unused variables in per cpu
  x86, irq: Rename gsi_end gsi_top, and fix off by one errors
  x86: use __ASSEMBLY__ rather than __ASSEMBLER__
This commit is contained in:
Linus Torvalds 2010-06-28 12:06:25 -07:00
commit ab8aadbda7
14 changed files with 45 additions and 24 deletions
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6
arch/um/include/asm/arch_hweight.h Normal file
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@ -0,0 +1,6 @@
#ifndef _ASM_UM_HWEIGHT_H
#define _ASM_UM_HWEIGHT_H
#include <asm-generic/bitops/arch_hweight.h>
#endif

3
arch/x86/boot/video-vga.c
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@ -41,13 +41,12 @@ static __videocard video_vga;
static u8 vga_set_basic_mode(void)
{
struct biosregs ireg, oreg;
u16 ax;
u8 mode;
initregs(&ireg);
/* Query current mode */
ax = 0x0f00;
ireg.ax = 0x0f00;
intcall(0x10, &ireg, &oreg);
mode = oreg.al;

4
arch/x86/include/asm/io_apic.h
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@ -183,7 +183,7 @@ struct mp_ioapic_gsi{
u32 gsi_end;
};
extern struct mp_ioapic_gsi mp_gsi_routing[];
extern u32 gsi_end;
extern u32 gsi_top;
int mp_find_ioapic(u32 gsi);
int mp_find_ioapic_pin(int ioapic, u32 gsi);
void __init mp_register_ioapic(int id, u32 address, u32 gsi_base);
@ -197,7 +197,7 @@ static const int timer_through_8259 = 0;
static inline void ioapic_init_mappings(void) { }
static inline void ioapic_insert_resources(void) { }
static inline void probe_nr_irqs_gsi(void) { }
#define gsi_end (NR_IRQS_LEGACY - 1)
#define gsi_top (NR_IRQS_LEGACY)
static inline int mp_find_ioapic(u32 gsi) { return 0; }
struct io_apic_irq_attr;

2
arch/x86/include/asm/percpu.h
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@ -77,6 +77,7 @@ do { \
if (0) { \
pto_T__ pto_tmp__; \
pto_tmp__ = (val); \
(void)pto_tmp__; \
} \
switch (sizeof(var)) { \
case 1: \
@ -115,6 +116,7 @@ do { \
if (0) { \
pao_T__ pao_tmp__; \
pao_tmp__ = (val); \
(void)pao_tmp__; \
} \
switch (sizeof(var)) { \
case 1: \

2
arch/x86/include/asm/pgtable_32_types.h
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@ -26,7 +26,7 @@
*/
#define VMALLOC_OFFSET (8 * 1024 * 1024)
#ifndef __ASSEMBLER__
#ifndef __ASSEMBLY__
extern bool __vmalloc_start_set; /* set once high_memory is set */
#endif

2
arch/x86/include/asm/system.h
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@ -451,7 +451,7 @@ void stop_this_cpu(void *dummy);
*
* (Could use an alternative three way for this if there was one.)
*/
static inline void rdtsc_barrier(void)
static __always_inline void rdtsc_barrier(void)
{
alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC);
alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);

8
arch/x86/kernel/acpi/boot.c
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@ -118,7 +118,7 @@ static unsigned int gsi_to_irq(unsigned int gsi)
if (gsi >= NR_IRQS_LEGACY)
irq = gsi;
else
irq = gsi_end + 1 + gsi;
irq = gsi_top + gsi;
return irq;
}
@ -129,10 +129,10 @@ static u32 irq_to_gsi(int irq)
if (irq < NR_IRQS_LEGACY)
gsi = isa_irq_to_gsi[irq];
else if (irq <= gsi_end)
else if (irq < gsi_top)
gsi = irq;
else if (irq <= (gsi_end + NR_IRQS_LEGACY))
gsi = irq - gsi_end;
else if (irq < (gsi_top + NR_IRQS_LEGACY))
gsi = irq - gsi_top;
else
gsi = 0xffffffff;

12
arch/x86/kernel/apic/io_apic.c
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@ -89,8 +89,8 @@ int nr_ioapics;
/* IO APIC gsi routing info */
struct mp_ioapic_gsi mp_gsi_routing[MAX_IO_APICS];
/* The last gsi number used */
u32 gsi_end;
/* The one past the highest gsi number used */
u32 gsi_top;
/* MP IRQ source entries */
struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
@ -1035,7 +1035,7 @@ static int pin_2_irq(int idx, int apic, int pin)
if (gsi >= NR_IRQS_LEGACY)
irq = gsi;
else
irq = gsi_end + 1 + gsi;
irq = gsi_top + gsi;
}
#ifdef CONFIG_X86_32
@ -3853,7 +3853,7 @@ void __init probe_nr_irqs_gsi(void)
{
int nr;
nr = gsi_end + 1 + NR_IRQS_LEGACY;
nr = gsi_top + NR_IRQS_LEGACY;
if (nr > nr_irqs_gsi)
nr_irqs_gsi = nr;
@ -4294,8 +4294,8 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
*/
nr_ioapic_registers[idx] = entries;
if (mp_gsi_routing[idx].gsi_end > gsi_end)
gsi_end = mp_gsi_routing[idx].gsi_end;
if (mp_gsi_routing[idx].gsi_end >= gsi_top)
gsi_top = mp_gsi_routing[idx].gsi_end + 1;
printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
"GSI %d-%d\n", idx, mp_ioapics[idx].apicid,

2
arch/x86/kernel/mpparse.c
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@ -123,7 +123,7 @@ static void __init MP_ioapic_info(struct mpc_ioapic *m)
printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n",
m->apicid, m->apicver, m->apicaddr);
mp_register_ioapic(m->apicid, m->apicaddr, gsi_end + 1);
mp_register_ioapic(m->apicid, m->apicaddr, gsi_top);
}
static void print_MP_intsrc_info(struct mpc_intsrc *m)

15
arch/x86/kernel/pci-calgary_64.c
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@ -103,11 +103,16 @@ int use_calgary __read_mostly = 0;
#define PMR_SOFTSTOPFAULT 0x40000000
#define PMR_HARDSTOP 0x20000000
#define MAX_NUM_OF_PHBS 8 /* how many PHBs in total? */
#define MAX_NUM_CHASSIS 8 /* max number of chassis */
/* MAX_PHB_BUS_NUM is the maximal possible dev->bus->number */
#define MAX_PHB_BUS_NUM (MAX_NUM_OF_PHBS * MAX_NUM_CHASSIS * 2)
#define PHBS_PER_CALGARY 4
/*
* The maximum PHB bus number.
* x3950M2 (rare): 8 chassis, 48 PHBs per chassis = 384
* x3950M2: 4 chassis, 48 PHBs per chassis = 192
* x3950 (PCIE): 8 chassis, 32 PHBs per chassis = 256
* x3950 (PCIX): 8 chassis, 16 PHBs per chassis = 128
*/
#define MAX_PHB_BUS_NUM 384
#define PHBS_PER_CALGARY 4
/* register offsets in Calgary's internal register space */
static const unsigned long tar_offsets[] = {

8
arch/x86/kernel/reboot.c
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@ -228,6 +228,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T5400"),
},
},
{ /* Handle problems with rebooting on Dell T7400's */
.callback = set_bios_reboot,
.ident = "Dell Precision T7400",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T7400"),
},
},
{ /* Handle problems with rebooting on HP laptops */
.callback = set_bios_reboot,
.ident = "HP Compaq Laptop",

2
arch/x86/kernel/sfi.c
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@ -93,7 +93,7 @@ static int __init sfi_parse_ioapic(struct sfi_table_header *table)
pentry = (struct sfi_apic_table_entry *)sb->pentry;
for (i = 0; i < num; i++) {
mp_register_ioapic(i, pentry->phys_addr, gsi_end + 1);
mp_register_ioapic(i, pentry->phys_addr, gsi_top);
pentry++;
}

2
arch/x86/mm/pat.c
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@ -302,7 +302,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
return -EINVAL;
}
new = kmalloc(sizeof(struct memtype), GFP_KERNEL);
new = kzalloc(sizeof(struct memtype), GFP_KERNEL);
if (!new)
return -ENOMEM;

1
arch/x86/mm/pat_rbtree.c
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@ -226,6 +226,7 @@ int rbt_memtype_check_insert(struct memtype *new, unsigned long *ret_type)
if (ret_type)
new->type = *ret_type;
new->subtree_max_end = new->end;
memtype_rb_insert(&memtype_rbroot, new);
}
return err;