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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
parent 8b7231a9c7 499a00e92d
commit ab8aadbda7
14 changed files with 45 additions and 24 deletions
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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++;
}