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authorPaul Mackerras <paulus@samba.org>2007-10-03 15:33:17 +1000
committerPaul Mackerras <paulus@samba.org>2007-10-03 15:33:17 +1000
commit70f227d8846a8a9b1f36f71c42e11cc7c6e9408d (patch)
treefb4dd5c8240bdaada819fb569c01a392b52847b9 /arch
parenta0c7ce9c877ceef8428798ac91fb794f83609aed (diff)
parentf778089cb2445dfc6dfd30a7a567925fd8589f1e (diff)
Merge branch 'linux-2.6' into for-2.6.24
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kernel/bios32.c4
-rw-r--r--arch/arm/mach-ep93xx/core.c2
-rw-r--r--arch/arm/mm/cache-l2x0.c12
-rw-r--r--arch/i386/boot/header.S2
-rw-r--r--arch/i386/boot/memory.c39
-rw-r--r--arch/i386/boot/video.c14
-rw-r--r--arch/i386/kernel/acpi/wakeup.S41
-rw-r--r--arch/i386/xen/mmu.c5
-rw-r--r--arch/mips/kernel/i8259.c5
-rw-r--r--arch/mips/kernel/irq-msc01.c10
-rw-r--r--arch/mips/kernel/irq.c10
-rw-r--r--arch/mips/kernel/scall64-o32.S2
-rw-r--r--arch/mips/kernel/smtc.c5
-rw-r--r--arch/mips/kernel/vmlinux.lds.S2
-rw-r--r--arch/mips/sgi-ip32/ip32-platform.c4
-rw-r--r--arch/mips/sibyte/bcm1480/setup.c2
-rw-r--r--arch/powerpc/boot/dts/mpc8349emitx.dts1
-rw-r--r--arch/powerpc/kernel/process.c7
-rw-r--r--arch/powerpc/platforms/83xx/usb.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/file.c4
-rw-r--r--arch/powerpc/platforms/pseries/xics.c2
-rw-r--r--arch/powerpc/sysdev/commproc.c2
-rw-r--r--arch/ppc/8xx_io/commproc.c2
-rw-r--r--arch/sparc/kernel/ebus.c2
-rw-r--r--arch/sparc64/kernel/binfmt_aout32.c4
-rw-r--r--arch/sparc64/kernel/ebus.c5
-rw-r--r--arch/sparc64/lib/NGcopy_from_user.S8
-rw-r--r--arch/sparc64/lib/NGcopy_to_user.S8
-rw-r--r--arch/sparc64/lib/NGmemcpy.S371
-rw-r--r--arch/x86_64/Kconfig8
-rw-r--r--arch/x86_64/ia32/ia32entry.S18
-rw-r--r--arch/x86_64/kernel/acpi/wakeup.S47
-rw-r--r--arch/x86_64/kernel/process.c1
-rw-r--r--arch/x86_64/kernel/ptrace.c4
-rw-r--r--arch/x86_64/kernel/smp.c2
-rw-r--r--arch/x86_64/vdso/voffset.h2
36 files changed, 357 insertions, 304 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 240c448ec31..a2dd930d11e 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -338,7 +338,7 @@ pbus_assign_bus_resources(struct pci_bus *bus, struct pci_sys_data *root)
* pcibios_fixup_bus - Called after each bus is probed,
* but before its children are examined.
*/
-void __devinit pcibios_fixup_bus(struct pci_bus *bus)
+void pcibios_fixup_bus(struct pci_bus *bus)
{
struct pci_sys_data *root = bus->sysdata;
struct pci_dev *dev;
@@ -419,7 +419,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
/*
* Convert from Linux-centric to bus-centric addresses for bridge devices.
*/
-void __devinit
+void
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
struct resource *res)
{
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 851cc7158ca..70b2c780111 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -336,7 +336,7 @@ static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type)
if (line >= 0 && line < 16) {
gpio_line_config(line, GPIO_IN);
} else {
- gpio_line_config(EP93XX_GPIO_LINE_F(line), GPIO_IN);
+ gpio_line_config(EP93XX_GPIO_LINE_F(line-16), GPIO_IN);
}
port = line >> 3;
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index b4e9b734e0b..76b800a9519 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -57,7 +57,17 @@ static void l2x0_inv_range(unsigned long start, unsigned long end)
{
unsigned long addr;
- start &= ~(CACHE_LINE_SIZE - 1);
+ if (start & (CACHE_LINE_SIZE - 1)) {
+ start &= ~(CACHE_LINE_SIZE - 1);
+ sync_writel(start, L2X0_CLEAN_INV_LINE_PA, 1);
+ start += CACHE_LINE_SIZE;
+ }
+
+ if (end & (CACHE_LINE_SIZE - 1)) {
+ end &= ~(CACHE_LINE_SIZE - 1);
+ sync_writel(end, L2X0_CLEAN_INV_LINE_PA, 1);
+ }
+
for (addr = start; addr < end; addr += CACHE_LINE_SIZE)
sync_writel(addr, L2X0_INV_LINE_PA, 1);
cache_sync();
diff --git a/arch/i386/boot/header.S b/arch/i386/boot/header.S
index 7f4a2c53bd7..f3140e596d4 100644
--- a/arch/i386/boot/header.S
+++ b/arch/i386/boot/header.S
@@ -275,7 +275,7 @@ die:
hlt
jmp die
- .size die, .-due
+ .size die, .-die
.section ".initdata", "a"
setup_corrupt:
diff --git a/arch/i386/boot/memory.c b/arch/i386/boot/memory.c
index 1a2e62db8be..378353956b5 100644
--- a/arch/i386/boot/memory.c
+++ b/arch/i386/boot/memory.c
@@ -20,6 +20,7 @@
static int detect_memory_e820(void)
{
+ int count = 0;
u32 next = 0;
u32 size, id;
u8 err;
@@ -27,20 +28,33 @@ static int detect_memory_e820(void)
do {
size = sizeof(struct e820entry);
- id = SMAP;
+
+ /* Important: %edx is clobbered by some BIOSes,
+ so it must be either used for the error output
+ or explicitly marked clobbered. */
asm("int $0x15; setc %0"
- : "=am" (err), "+b" (next), "+d" (id), "+c" (size),
+ : "=d" (err), "+b" (next), "=a" (id), "+c" (size),
"=m" (*desc)
- : "D" (desc), "a" (0xe820));
+ : "D" (desc), "d" (SMAP), "a" (0xe820));
+
+ /* Some BIOSes stop returning SMAP in the middle of
+ the search loop. We don't know exactly how the BIOS
+ screwed up the map at that point, we might have a
+ partial map, the full map, or complete garbage, so
+ just return failure. */
+ if (id != SMAP) {
+ count = 0;
+ break;
+ }
- if (err || id != SMAP)
+ if (err)
break;
- boot_params.e820_entries++;
+ count++;
desc++;
- } while (next && boot_params.e820_entries < E820MAX);
+ } while (next && count < E820MAX);
- return boot_params.e820_entries;
+ return boot_params.e820_entries = count;
}
static int detect_memory_e801(void)
@@ -89,11 +103,16 @@ static int detect_memory_88(void)
int detect_memory(void)
{
+ int err = -1;
+
if (detect_memory_e820() > 0)
- return 0;
+ err = 0;
if (!detect_memory_e801())
- return 0;
+ err = 0;
+
+ if (!detect_memory_88())
+ err = 0;
- return detect_memory_88();
+ return err;
}
diff --git a/arch/i386/boot/video.c b/arch/i386/boot/video.c
index 693f20d3102..e4ba897bf9a 100644
--- a/arch/i386/boot/video.c
+++ b/arch/i386/boot/video.c
@@ -147,7 +147,7 @@ int mode_defined(u16 mode)
}
/* Set mode (without recalc) */
-static int raw_set_mode(u16 mode)
+static int raw_set_mode(u16 mode, u16 *real_mode)
{
int nmode, i;
struct card_info *card;
@@ -165,8 +165,10 @@ static int raw_set_mode(u16 mode)
if ((mode == nmode && visible) ||
mode == mi->mode ||
- mode == (mi->y << 8)+mi->x)
+ mode == (mi->y << 8)+mi->x) {
+ *real_mode = mi->mode;
return card->set_mode(mi);
+ }
if (visible)
nmode++;
@@ -178,7 +180,7 @@ static int raw_set_mode(u16 mode)
if (mode >= card->xmode_first &&
mode < card->xmode_first+card->xmode_n) {
struct mode_info mix;
- mix.mode = mode;
+ *real_mode = mix.mode = mode;
mix.x = mix.y = 0;
return card->set_mode(&mix);
}
@@ -223,6 +225,7 @@ static void vga_recalc_vertical(void)
static int set_mode(u16 mode)
{
int rv;
+ u16 real_mode;
/* Very special mode numbers... */
if (mode == VIDEO_CURRENT_MODE)
@@ -232,13 +235,16 @@ static int set_mode(u16 mode)
else if (mode == EXTENDED_VGA)
mode = VIDEO_8POINT;
- rv = raw_set_mode(mode);
+ rv = raw_set_mode(mode, &real_mode);
if (rv)
return rv;
if (mode & VIDEO_RECALC)
vga_recalc_vertical();
+ /* Save the canonical mode number for the kernel, not
+ an alias, size specification or menu position */
+ boot_params.hdr.vid_mode = real_mode;
return 0;
}
diff --git a/arch/i386/kernel/acpi/wakeup.S b/arch/i386/kernel/acpi/wakeup.S
index ed0a0f2c159..f22ba8534d2 100644
--- a/arch/i386/kernel/acpi/wakeup.S
+++ b/arch/i386/kernel/acpi/wakeup.S
@@ -151,51 +151,30 @@ bogus_real_magic:
#define VIDEO_FIRST_V7 0x0900
# Setting of user mode (AX=mode ID) => CF=success
+
+# For now, we only handle VESA modes (0x0200..0x03ff). To handle other
+# modes, we should probably compile in the video code from the boot
+# directory.
mode_set:
movw %ax, %bx
-#if 0
- cmpb $0xff, %ah
- jz setalias
-
- testb $VIDEO_RECALC>>8, %ah
- jnz _setrec
-
- cmpb $VIDEO_FIRST_RESOLUTION>>8, %ah
- jnc setres
-
- cmpb $VIDEO_FIRST_SPECIAL>>8, %ah
- jz setspc
-
- cmpb $VIDEO_FIRST_V7>>8, %ah
- jz setv7
-#endif
-
- cmpb $VIDEO_FIRST_VESA>>8, %ah
- jnc check_vesa
-#if 0
- orb %ah, %ah
- jz setmenu
-#endif
-
- decb %ah
-# jz setbios Add bios modes later
+ subb $VIDEO_FIRST_VESA>>8, %bh
+ cmpb $2, %bh
+ jb check_vesa
-setbad: clc
+setbad:
+ clc
ret
check_vesa:
- subb $VIDEO_FIRST_VESA>>8, %bh
orw $0x4000, %bx # Use linear frame buffer
movw $0x4f02, %ax # VESA BIOS mode set call
int $0x10
cmpw $0x004f, %ax # AL=4f if implemented
- jnz _setbad # AH=0 if OK
+ jnz setbad # AH=0 if OK
stc
ret
-_setbad: jmp setbad
-
.code32
ALIGN
diff --git a/arch/i386/xen/mmu.c b/arch/i386/xen/mmu.c
index 4ae038aa6c2..874db0cd1d2 100644
--- a/arch/i386/xen/mmu.c
+++ b/arch/i386/xen/mmu.c
@@ -559,6 +559,9 @@ void xen_exit_mmap(struct mm_struct *mm)
put_cpu();
spin_lock(&mm->page_table_lock);
- xen_pgd_unpin(mm->pgd);
+
+ /* pgd may not be pinned in the error exit path of execve */
+ if (PagePinned(virt_to_page(mm->pgd)))
+ xen_pgd_unpin(mm->pgd);
spin_unlock(&mm->page_table_lock);
}
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index b6c30800c66..3a2d255361b 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -177,10 +177,7 @@ handle_real_irq:
outb(cached_master_mask, PIC_MASTER_IMR);
outb(0x60+irq,PIC_MASTER_CMD); /* 'Specific EOI to master */
}
-#ifdef CONFIG_MIPS_MT_SMTC
- if (irq_hwmask[irq] & ST0_IM)
- set_c0_status(irq_hwmask[irq] & ST0_IM);
-#endif /* CONFIG_MIPS_MT_SMTC */
+ smtc_im_ack_irq(irq);
spin_unlock_irqrestore(&i8259A_lock, flags);
return;
diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c
index 410868b5ea5..1ecdd50bfc6 100644
--- a/arch/mips/kernel/irq-msc01.c
+++ b/arch/mips/kernel/irq-msc01.c
@@ -52,11 +52,8 @@ static void level_mask_and_ack_msc_irq(unsigned int irq)
mask_msc_irq(irq);
if (!cpu_has_veic)
MSCIC_WRITE(MSC01_IC_EOI, 0);
-#ifdef CONFIG_MIPS_MT_SMTC
/* This actually needs to be a call into platform code */
- if (irq_hwmask[irq] & ST0_IM)
- set_c0_status(irq_hwmask[irq] & ST0_IM);
-#endif /* CONFIG_MIPS_MT_SMTC */
+ smtc_im_ack_irq(irq);
}
/*
@@ -73,10 +70,7 @@ static void edge_mask_and_ack_msc_irq(unsigned int irq)
MSCIC_WRITE(MSC01_IC_SUP+irq*8, r | ~MSC01_IC_SUP_EDGE_BIT);
MSCIC_WRITE(MSC01_IC_SUP+irq*8, r);
}
-#ifdef CONFIG_MIPS_MT_SMTC
- if (irq_hwmask[irq] & ST0_IM)
- set_c0_status(irq_hwmask[irq] & ST0_IM);
-#endif /* CONFIG_MIPS_MT_SMTC */
+ smtc_im_ack_irq(irq);
}
/*
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index aeded6c17de..a990aad2f04 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -74,20 +74,12 @@ EXPORT_SYMBOL_GPL(free_irqno);
*/
void ack_bad_irq(unsigned int irq)
{
+ smtc_im_ack_irq(irq);
printk("unexpected IRQ # %d\n", irq);
}
atomic_t irq_err_count;
-#ifdef CONFIG_MIPS_MT_SMTC
-/*
- * SMTC Kernel needs to manipulate low-level CPU interrupt mask
- * in do_IRQ. These are passed in setup_irq_smtc() and stored
- * in this table.
- */
-unsigned long irq_hwmask[NR_IRQS];
-#endif /* CONFIG_MIPS_MT_SMTC */
-
/*
* Generic, controller-independent functions:
*/
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index b3ed731a24c..dd68afce7da 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -525,5 +525,5 @@ sys_call_table:
PTR compat_sys_signalfd
PTR compat_sys_timerfd
PTR sys_eventfd
- PTR sys_fallocate /* 4320 */
+ PTR sys32_fallocate /* 4320 */
.size sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 43826c16101..f09404377ef 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -25,8 +25,11 @@
#include <asm/smtc_proc.h>
/*
- * This file should be built into the kernel only if CONFIG_MIPS_MT_SMTC is set.
+ * SMTC Kernel needs to manipulate low-level CPU interrupt mask
+ * in do_IRQ. These are passed in setup_irq_smtc() and stored
+ * in this table.
*/
+unsigned long irq_hwmask[NR_IRQS];
#define LOCK_MT_PRA() \
local_irq_save(flags); \
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 60bbaecde18..087ab997487 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -45,6 +45,8 @@ SECTIONS
__dbe_table : { *(__dbe_table) }
__stop___dbe_table = .;
+ NOTES
+
RODATA
/* writeable */
diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c
index ba3697ee7ff..7309e48d163 100644
--- a/arch/mips/sgi-ip32/ip32-platform.c
+++ b/arch/mips/sgi-ip32/ip32-platform.c
@@ -41,8 +41,8 @@ static struct platform_device uart8250_device = {
static int __init uart8250_init(void)
{
- uart8250_data[0].iobase = (unsigned long) &mace->isa.serial1;
- uart8250_data[1].iobase = (unsigned long) &mace->isa.serial1;
+ uart8250_data[0].membase = (void __iomem *) &mace->isa.serial1;
+ uart8250_data[1].membase = (void __iomem *) &mace->isa.serial1;
return platform_device_register(&uart8250_device);
}
diff --git a/arch/mips/sibyte/bcm1480/setup.c b/arch/mips/sibyte/bcm1480/setup.c
index bb28f28e804..7e1aa348b8e 100644
--- a/arch/mips/sibyte/bcm1480/setup.c
+++ b/arch/mips/sibyte/bcm1480/setup.c
@@ -15,6 +15,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/reboot.h>
@@ -35,6 +36,7 @@ unsigned int soc_type;
EXPORT_SYMBOL(soc_type);
unsigned int periph_rev;
unsigned int zbbus_mhz;
+EXPORT_SYMBOL(zbbus_mhz);
static unsigned int part_type;
diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts
index f5c3086bcb5..3bc32029ca5 100644
--- a/arch/powerpc/boot/dts/mpc8349emitx.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitx.dts
@@ -97,6 +97,7 @@
#size-cells = <0>;
interrupt-parent = < &ipic >;
interrupts = <26 8>;
+ dr_mode = "peripheral";
phy_type = "ulpi";
};
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 588c0cb8115..15998b57767 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -613,6 +613,13 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
regs->ccr = 0;
regs->gpr[1] = sp;
+ /*
+ * We have just cleared all the nonvolatile GPRs, so make
+ * FULL_REGS(regs) return true. This is necessary to allow
+ * ptrace to examine the thread immediately after exec.
+ */
+ regs->trap &= ~1UL;
+
#ifdef CONFIG_PPC32
regs->mq = 0;
regs->nip = start;
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index e7fdf013cd3..eafe7605cda 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -76,14 +76,14 @@ int mpc834x_usb_cfg(void)
if (port0_is_dr)
printk(KERN_WARNING
"834x USB port0 can't be used by both DR and MPH!\n");
- sicrl |= MPC834X_SICRL_USB0;
+ sicrl &= ~MPC834X_SICRL_USB0;
}
prop = of_get_property(np, "port1", NULL);
if (prop) {
if (port1_is_dr)
printk(KERN_WARNING
"834x USB port1 can't be used by both DR and MPH!\n");
- sicrl |= MPC834X_SICRL_USB1;
+ sicrl &= ~MPC834X_SICRL_USB1;
}
of_node_put(np);
}
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index b93a0275a21..d72b16d6816 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -2110,8 +2110,8 @@ struct tree_descr spufs_dir_contents[] = {
{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
- { "signal1", &spufs_signal1_nosched_fops, 0222, },
- { "signal2", &spufs_signal2_nosched_fops, 0222, },
+ { "signal1", &spufs_signal1_fops, 0666, },
+ { "signal2", &spufs_signal2_fops, 0666, },
{ "signal1_type", &spufs_signal1_type, 0666, },
{ "signal2_type", &spufs_signal2_type, 0666, },
{ "cntl", &spufs_cntl_fops, 0666, },
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 5ddb0259b1f..66e7d68ffeb 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -419,7 +419,7 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
* For the moment only implement delivery to all cpus or one cpu.
* Get current irq_server for the given irq
*/
- irq_server = get_irq_server(irq, 1);
+ irq_server = get_irq_server(virq, 1);
if (irq_server == -1) {
char cpulist[128];
cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);
diff --git a/arch/powerpc/sysdev/commproc.c b/arch/powerpc/sysdev/commproc.c
index b562afc4e50..160a8b49bde 100644
--- a/arch/powerpc/sysdev/commproc.c
+++ b/arch/powerpc/sysdev/commproc.c
@@ -387,4 +387,4 @@ uint cpm_dpram_phys(u8* addr)
{
return (dpram_pbase + (uint)(addr - dpram_vbase));
}
-EXPORT_SYMBOL(cpm_dpram_addr);
+EXPORT_SYMBOL(cpm_dpram_phys);
diff --git a/arch/ppc/8xx_io/commproc.c b/arch/ppc/8xx_io/commproc.c
index 7088428e1fe..9da880be4dc 100644
--- a/arch/ppc/8xx_io/commproc.c
+++ b/arch/ppc/8xx_io/commproc.c
@@ -459,7 +459,7 @@ EXPORT_SYMBOL(cpm_dpdump);
void *cpm_dpram_addr(unsigned long offset)
{
- return ((immap_t *)IMAP_ADDR)->im_cpm.cp_dpmem + offset;
+ return (void *)(dpram_vbase + offset);
}
EXPORT_SYMBOL(cpm_dpram_addr);
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index e2d02fd13f3..d850785b208 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -156,6 +156,8 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d
dev->prom_node = dp;
regs = of_get_property(dp, "reg", &len);
+ if (!regs)
+ len = 0;
if (len % sizeof(struct linux_prom_registers)) {
prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
dev->prom_node->name, len,
diff --git a/arch/sparc64/kernel/binfmt_aout32.c b/arch/sparc64/kernel/binfmt_aout32.c
index f205fc7cbcd..d208cc7804f 100644
--- a/arch/sparc64/kernel/binfmt_aout32.c
+++ b/arch/sparc64/kernel/binfmt_aout32.c
@@ -177,7 +177,7 @@ static u32 __user *create_aout32_tables(char __user *p, struct linux_binprm *bpr
get_user(c,p++);
} while (c);
}
- put_user(NULL,argv);
+ put_user(0,argv);
current->mm->arg_end = current->mm->env_start = (unsigned long) p;
while (envc-->0) {
char c;
@@ -186,7 +186,7 @@ static u32 __user *create_aout32_tables(char __user *p, struct linux_binprm *bpr
get_user(c,p++);
} while (c);
}
- put_user(NULL,envp);
+ put_user(0,envp);
current->mm->env_end = (unsigned long) p;
return sp;
}
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index bc9ae36f7a4..04ab81cb4f4 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -375,7 +375,10 @@ static void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_de
dev->num_addrs = 0;
dev->num_irqs = 0;
} else {
- (void) of_get_property(dp, "reg", &len);
+ const int *regs = of_get_property(dp, "reg", &len);
+
+ if (!regs)
+ len = 0;
dev->num_addrs = len / sizeof(struct linux_prom_registers);
for (i = 0; i < dev->num_addrs; i++)
diff --git a/arch/sparc64/lib/NGcopy_from_user.S b/arch/sparc64/lib/NGcopy_from_user.S
index 2d93456f76d..e7f433f71b4 100644
--- a/arch/sparc64/lib/NGcopy_from_user.S
+++ b/arch/sparc64/lib/NGcopy_from_user.S
@@ -1,6 +1,6 @@
/* NGcopy_from_user.S: Niagara optimized copy from userspace.
*
- * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
*/
#define EX_LD(x) \
@@ -8,8 +8,8 @@
.section .fixup; \
.align 4; \
99: wr %g0, ASI_AIUS, %asi;\
- retl; \
- mov 1, %o0; \
+ ret; \
+ restore %g0, 1, %o0; \
.section __ex_table,"a";\
.align 4; \
.word 98b, 99b; \
@@ -24,7 +24,7 @@
#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest
#define LOAD_TWIN(addr_reg,dest0,dest1) \
ldda [addr_reg] ASI_BLK_INIT_QUAD_LDD_AIUS, dest0
-#define EX_RETVAL(x) 0
+#define EX_RETVAL(x) %g0
#ifdef __KERNEL__
#define PREAMBLE \
diff --git a/arch/sparc64/lib/NGcopy_to_user.S b/arch/sparc64/lib/NGcopy_to_user.S
index 34112d5054e..6ea01c5532a 100644
--- a/arch/sparc64/lib/NGcopy_to_user.S
+++ b/arch/sparc64/lib/NGcopy_to_user.S
@@ -1,6 +1,6 @@
/* NGcopy_to_user.S: Niagara optimized copy to userspace.
*
- * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
*/
#define EX_ST(x) \
@@ -8,8 +8,8 @@
.section .fixup; \
.align 4; \
99: wr %g0, ASI_AIUS, %asi;\
- retl; \
- mov 1, %o0; \
+ ret; \
+ restore %g0, 1, %o0; \
.section __ex_table,"a";\
.align 4; \
.word 98b, 99b; \
@@ -23,7 +23,7 @@
#define FUNC_NAME NGcopy_to_user
#define STORE(type,src,addr) type##a src, [addr] ASI_AIUS
#define STORE_ASI ASI_BLK_INIT_QUAD_LDD_AIUS
-#define EX_RETVAL(x) 0
+#define EX_RETVAL(x) %g0
#ifdef __KERNEL__
/* Writing to %asi is _expensive_ so we hardcode it.
diff --git a/arch/sparc64/lib/NGmemcpy.S b/arch/sparc64/lib/NGmemcpy.S
index 66063a9a66b..605cb3f0990 100644
--- a/arch/sparc64/lib/NGmemcpy.S
+++ b/arch/sparc64/lib/NGmemcpy.S
@@ -1,6 +1,6 @@
/* NGmemcpy.S: Niagara optimized memcpy.
*
- * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
*/
#ifdef __KERNEL__
@@ -16,6 +16,12 @@
wr %g0, ASI_PNF, %asi
#endif
+#ifdef __sparc_v9__
+#define SAVE_AMOUNT 128
+#else
+#define SAVE_AMOUNT 64
+#endif
+
#ifndef STORE_ASI
#define STORE_ASI ASI_BLK_INIT_QUAD_LDD_P
#endif
@@ -50,7 +56,11 @@
#endif
#ifndef STORE_INIT
+#ifndef SIMULATE_NIAGARA_ON_NON_NIAGARA
#define STORE_INIT(src,addr) stxa src, [addr] %asi
+#else
+#define STORE_INIT(src,addr) stx src, [addr + 0x00]
+#endif
#endif
#ifndef FUNC_NAME
@@ -73,18 +83,19 @@
.globl FUNC_NAME
.type FUNC_NAME,#function
-FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
- srlx %o2, 31, %g2
+FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */
+ PREAMBLE
+ save %sp, -SAVE_AMOUNT, %sp
+ srlx %i2, 31, %g2
cmp %g2, 0
tne %xcc, 5
- PREAMBLE
- mov %o0, GLOBAL_SPARE
- cmp %o2, 0
+ mov %i0, %o0
+ cmp %i2, 0
be,pn %XCC, 85f
- or %o0, %o1, %o3
- cmp %o2, 16
+ or %o0, %i1, %i3
+ cmp %i2, 16
blu,a,pn %XCC, 80f
- or %o3, %o2, %o3
+ or %i3, %i2, %i3
/* 2 blocks (128 bytes) is the minimum we can do the block
* copy with. We need to ensure that we'll iterate at least
@@ -93,31 +104,31 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
* to (64 - 1) bytes from the length before we perform the
* block copy loop.
*/
- cmp %o2, (2 * 64)
+ cmp %i2, (2 * 64)
blu,pt %XCC, 70f
- andcc %o3, 0x7, %g0
+ andcc %i3, 0x7, %g0
/* %o0: dst
- * %o1: src
- * %o2: len (known to be >= 128)
+ * %i1: src
+ * %i2: len (known to be >= 128)
*
- * The block copy loops will use %o4/%o5,%g2/%g3 as
+ * The block copy loops will use %i4/%i5,%g2/%g3 as
* temporaries while copying the data.
*/
- LOAD(prefetch, %o1, #one_read)
+ LOAD(prefetch, %i1, #one_read)
wr %g0, STORE_ASI, %asi
/* Align destination on 64-byte boundary. */
- andcc %o0, (64 - 1), %o4
+ andcc %o0, (64 - 1), %i4
be,pt %XCC, 2f
- sub %o4, 64, %o4
- sub %g0, %o4, %o4 ! bytes to align dst
- sub %o2, %o4, %o2
-1: subcc %o4, 1, %o4
- EX_LD(LOAD(ldub, %o1, %g1))
+ sub %i4, 64, %i4
+ sub %g0, %i4, %i4 ! bytes to align dst
+ sub %i2, %i4, %i2
+1: subcc %i4, 1, %i4
+ EX_LD(LOAD(ldub, %i1, %g1))
EX_ST(STORE(stb, %g1, %o0))
- add %o1, 1, %o1
+ add %i1, 1, %i1
bne,pt %XCC, 1b
add %o0, 1, %o0
@@ -136,111 +147,155 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
* aligned store data at a time, this is easy to ensure.
*/
2:
- andcc %o1, (16 - 1), %o4
- andn %o2, (64 - 1), %g1 ! block copy loop iterator
- sub %o2, %g1, %o2 ! final sub-block copy bytes
+ andcc %i1, (16 - 1), %i4
+ andn %i2, (64 - 1), %g1 ! block copy loop iterator
be,pt %XCC, 50f
- cmp %o4, 8
- be,a,pt %XCC, 10f
- sub %o1, 0x8, %o1
+ sub %i2, %g1, %i2 ! final sub-block copy bytes
+
+ cmp %i4, 8
+ be,pt %XCC, 10f
+ sub %i1, %i4, %i1
/* Neither 8-byte nor 16-byte aligned, shift and mask. */
- mov %g1, %o4
- and %o1, 0x7, %g1
- sll %g1, 3, %g1
- mov 64, %o3
- andn %o1, 0x7, %o1
- EX_LD(LOAD(ldx, %o1, %g2))
- sub %o3, %g1, %o3
- sllx %g2, %g1, %g2
+ and %i4, 0x7, GLOBAL_SPARE
+ sll GLOBAL_SPARE, 3, GLOBAL_SPARE
+ mov 64, %i5
+ EX_LD(LOAD_TWIN(%i1, %g2, %g3))
+ sub %i5, GLOBAL_SPARE, %i5
+ mov 16, %o4
+ mov 32, %o5
+ mov 48, %o7
+ mov 64, %i3
+
+ bg,pn %XCC, 9f
+ nop
-#define SWIVEL_ONE_DWORD(SRC, TMP1, TMP2, PRE_VAL, PRE_SHIFT, POST_SHIFT, DST)\
- EX_LD(LOAD(ldx, SRC, TMP1)); \
- srlx TMP1, PRE_SHIFT, TMP2; \
- or TMP2, PRE_VAL, TMP2; \
- EX_ST(STORE_INIT(TMP2, DST)); \
- sllx TMP1, POST_SHIFT, PRE_VAL;
-
-1: add %o1, 0x8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x00)
- add %o1, 0x8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x08)
- add %o1, 0x8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x10)
- add %o1, 0x8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x18)
- add %o1, 32, %o1
- LOAD(prefetch, %o1, #one_read)
- sub %o1, 32 - 8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x20)
- add %o1, 8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x28)
- add %o1, 8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x30)
- add %o1, 8, %o1
- SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x38)
- subcc %o4, 64, %o4
- bne,pt %XCC, 1b
+#define MIX_THREE_WORDS(WORD1, WORD2, WORD3, PRE_SHIFT, POST_SHIFT, TMP) \
+ sllx WORD1, POST_SHIFT, WORD1; \
+ srlx WORD2, PRE_SHIFT, TMP; \
+ sllx WORD2, POST_SHIFT, WORD2; \
+ or WORD1, TMP, WORD1; \
+ srlx WORD3, PRE_SHIFT, TMP; \
+ or WORD2, TMP, WORD2;
+
+8: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3))
+ MIX_THREE_WORDS(%g2, %g3, %o2, %i5, GLOBAL_SPARE, %o1)
+ LOAD(prefetch, %i1 + %i3, #one_read)
+
+ EX_ST(STORE_INIT(%g2, %o0 + 0x00))
+ EX_ST(STORE_INIT(%g3, %o0 + 0x08))
+
+ EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3))
+ MIX_THREE_WORDS(%o2, %o3, %g2, %i5, GLOBAL_SPARE, %o1)
+
+ EX_ST(STORE_INIT(%o2, %o0 + 0x10))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x18))
+
+ EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+ MIX_THREE_WORDS(%g2, %g3, %o2, %i5, GLOBAL_SPARE, %o1)
+
+ EX_ST(STORE_INIT(%g2, %o0 + 0x20))
+ EX_ST(STORE_INIT(%g3, %o0 + 0x28))
+
+ EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3))
+ add %i1, 64, %i1
+ MIX_THREE_WORDS(%o2, %o3, %g2, %i5, GLOBAL_SPARE, %o1)
+
+ EX_ST(STORE_INIT(%o2, %o0 + 0x30))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x38))
+
+ subcc %g1, 64, %g1
+ bne,pt %XCC, 8b
add %o0, 64, %o0
-#undef SWIVEL_ONE_DWORD
+ ba,pt %XCC, 60f
+ add %i1, %i4, %i1
+
+9: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3))
+ MIX_THREE_WORDS(%g3, %o2, %o3, %i5, GLOBAL_SPARE, %o1)
+ LOAD(prefetch, %i1 + %i3, #one_read)
+
+ EX_ST(STORE_INIT(%g3, %o0 + 0x00))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x08))
+
+ EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3))
+ MIX_THREE_WORDS(%o3, %g2, %g3, %i5, GLOBAL_SPARE, %o1)
+
+ EX_ST(STORE_INIT(%o3, %o0 + 0x10))
+ EX_ST(STORE_INIT(%g2, %o0 + 0x18))
+
+ EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+ MIX_THREE_WORDS(%g3, %o2, %o3, %i5, GLOBAL_SPARE, %o1)
+
+ EX_ST(STORE_INIT(%g3, %o0 + 0x20))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x28))
+
+ EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3))
+ add %i1, 64, %i1
+ MIX_THREE_WORDS(%o3, %g2, %g3, %i5, GLOBAL_SPARE, %o1)
+
+ EX_ST(STORE_INIT(%o3, %o0 + 0x30))
+ EX_ST(STORE_INIT(%g2, %o0 + 0x38))
+
+ subcc %g1, 64, %g1
+ bne,pt %XCC, 9b
+ add %o0, 64, %o0
- srl %g1, 3, %g1
ba,pt %XCC, 60f
- add %o1, %g1, %o1
+ add %i1, %i4, %i1
10: /* Destination is 64-byte aligned, source was only 8-byte
* aligned but it has been subtracted by 8 and we perform
* one twin load ahead, then add 8 back into source when
* we finish the loop.
*/
- EX_LD(LOAD_TWIN(%o1, %o4, %o5))
-1: add %o1, 16, %o1
- EX_LD(LOAD_TWIN(%o1, %g2, %g3))
- add %o1, 16 + 32, %o1
- LOAD(prefetch, %o1, #one_read)
- sub %o1, 32, %o1
+ EX_LD(LOAD_TWIN(%i1, %o4, %o5))
+ mov 16, %o7
+ mov 32, %g2
+ mov 48, %g3
+ mov 64, %o1
+1: EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+ LOAD(prefetch, %i1 + %o1, #one_read)
EX_ST(STORE_INIT(%o5, %o0 + 0x00)) ! initializes cache line
- EX_ST(STORE_INIT(%g2, %o0 + 0x08))
- EX_LD(LOAD_TWIN(%o1, %o4, %o5))
- add %o1, 16, %o1
- EX_ST(STORE_INIT(%g3, %o0 + 0x10))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x08))
+ EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x10))
EX_ST(STORE_INIT(%o4, %o0 + 0x18))
- EX_LD(LOAD_TWIN(%o1, %g2, %g3))
- add %o1, 16, %o1
+ EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3))
EX_ST(STORE_INIT(%o5, %o0 + 0x20))
- EX_ST(STORE_INIT(%g2, %o0 + 0x28))
- EX_LD(LOAD_TWIN(%o1, %o4, %o5))
- EX_ST(STORE_INIT(%g3, %o0 + 0x30))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x28))
+ EX_LD(LOAD_TWIN(%i1 + %o1, %o4, %o5))
+ add %i1, 64, %i1
+ EX_ST(STORE_INIT(%o3, %o0 + 0x30))
EX_ST(STORE_INIT(%o4, %o0 + 0x38))
subcc %g1, 64, %g1
bne,pt %XCC, 1b
add %o0, 64, %o0
ba,pt %XCC, 60f
- add %o1, 0x8, %o1
+ add %i1, 0x8, %i1
50: /* Destination is 64-byte aligned, and source is 16-byte
* aligned.
*/
-1: EX_LD(LOAD_TWIN(%o1, %o4, %o5))
- add %o1, 16, %o1
- EX_LD(LOAD_TWIN(%o1, %g2, %g3))
- add %o1, 16 + 32, %o1
- LOAD(prefetch, %o1, #one_read)
- sub %o1, 32, %o1
+ mov 16, %o7
+ mov 32, %g2
+ mov 48, %g3
+ mov 64, %o1
+1: EX_LD(LOAD_TWIN(%i1 + %g0, %o4, %o5))
+ EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+ LOAD(prefetch, %i1 + %o1, #one_read)
EX_ST(STORE_INIT(%o4, %o0 + 0x00)) ! initializes cache line
EX_ST(STORE_INIT(%o5, %o0 + 0x08))
- EX_LD(LOAD_TWIN(%o1, %o4, %o5))
- add %o1, 16, %o1
- EX_ST(STORE_INIT(%g2, %o0 + 0x10))
- EX_ST(STORE_INIT(%g3, %o0 + 0x18))
- EX_LD(LOAD_TWIN(%o1, %g2, %g3))
- add %o1, 16, %o1
+ EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x10))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x18))
+ EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3))
+ add %i1, 64, %i1
EX_ST(STORE_INIT(%o4, %o0 + 0x20))
EX_ST(STORE_INIT(%o5, %o0 + 0x28))
- EX_ST(STORE_INIT(%g2, %o0 + 0x30))
- EX_ST(STORE_INIT(%g3, %o0 + 0x38))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x30))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x38))
subcc %g1, 64, %g1
bne,pt %XCC, 1b
add %o0, 64, %o0
@@ -249,47 +304,47 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
60:
membar #Sync
- /* %o2 contains any final bytes still needed to be copied
+ /* %i2 contains any final bytes still needed to be copied
* over. If anything is left, we copy it one byte at a time.
*/
- RESTORE_ASI(%o3)
- brz,pt %o2, 85f
- sub %o0, %o1, %o3
+ RESTORE_ASI(%i3)
+ brz,pt %i2, 85f
+ sub %o0, %i1, %i3
ba,a,pt %XCC, 90f
.align 64
70: /* 16 < len <= 64 */
bne,pn %XCC, 75f
- sub %o0, %o1, %o3
+ sub %o0, %i1, %i3
72:
- andn %o2, 0xf, %o4
- and %o2, 0xf, %o2
-1: subcc %o4, 0x10, %o4
- EX_LD(LOAD(ldx, %o1, %o5))
- add %o1, 0x08, %o1
- EX_LD(LOAD(ldx, %o1, %g1))
- sub %o1, 0x08, %o1
- EX_ST(STORE(stx, %o5, %o1 + %o3))
- add %o1, 0x8, %o1
- EX_ST(STORE(stx, %g1, %o1 + %o3))
+ andn %i2, 0xf, %i4
+ and %i2, 0xf, %i2
+1: subcc %i4, 0x10, %i4
+ EX_LD(LOAD(ldx, %i1, %i5))
+ add %i1, 0x08, %i1
+ EX_LD(LOAD(ldx, %i1, %g1))
+ sub %i1, 0x08, %i1
+ EX_ST(STORE(stx, %i5, %i1 + %i3))
+ add %i1, 0x8, %i1
+ EX_ST(STORE(stx, %g1, %i1 + %i3))
bgu,pt %XCC, 1b
- add %o1, 0x8, %o1
-73: andcc %o2, 0x8, %g0
+ add %i1, 0x8, %i1
+73: andcc %i2, 0x8, %g0
be,pt %XCC, 1f
nop
- sub %o2, 0x8, %o2
- EX_LD(LOAD(ldx, %o1, %o5))
- EX_ST(STORE(stx, %o5, %o1 + %o3))
- add %o1, 0x8, %o1
-1: andcc %o2, 0x4, %g0
+ sub %i2, 0x8, %i2
+ EX_LD(LOAD(ldx, %i1, %i5))
+ EX_ST(STORE(stx, %i5, %i1 + %i3))
+ add %i1, 0x8, %i1
+1: andcc %i2, 0x4, %g0
be,pt %XCC, 1f
nop
- sub %o2, 0x4, %o2
- EX_LD(LOAD(lduw, %o1, %o5))
- EX_ST(STORE(stw, %o5, %o1 + %o3))
- add %o1, 0x4, %o1
-1: cmp %o2, 0
+ sub %i2, 0x4, %i2
+ EX_LD(LOAD(lduw, %i1, %i5))
+ EX_ST(STORE(stw, %i5, %i1 + %i3))
+ add %i1, 0x4, %i1
+1: cmp %i2, 0
be,pt %XCC, 85f
nop
ba,pt %xcc, 90f
@@ -300,71 +355,71 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
sub %g1, 0x8, %g1
be,pn %icc, 2f
sub %g0, %g1, %g1
- sub %o2, %g1, %o2
+ sub %i2, %g1, %i2
1: subcc %g1, 1, %g1
- EX_LD(LOAD(ldub, %o1, %o5))
- EX_ST(STORE(stb, %o5, %o1 + %o3))
+ EX_LD(LOAD(ldub, %i1, %i5))
+ EX_ST(STORE(stb, %i5, %i1 + %i3))
bgu,pt %icc, 1b
- add %o1, 1, %o1
+ add %i1, 1, %i1
-2: add %o1, %o3, %o0
- andcc %o1, 0x7, %g1
+2: add %i1, %i3, %o0
+ andcc %i1, 0x7, %g1
bne,pt %icc, 8f
sll %g1, 3, %g1
- cmp %o2, 16
+ cmp %i2, 16
bgeu,pt %icc, 72b
nop
ba,a,pt %xcc, 73b
-8: mov 64, %o3
- andn %o1, 0x7, %o1
- EX_LD(LOAD(ldx, %o1, %g2))
- sub %o3, %g1, %o3
- andn %o2, 0x7, %o4
+8: mov 64, %i3
+ andn %i1, 0x7, %i1
+ EX_LD(LOAD(ldx, %i1, %g2))
+ sub %i3, %g1, %i3
+ andn %i2, 0x7, %i4
sllx %g2, %g1, %g2
-1: add %o1, 0x8, %o1
- EX_LD(LOAD(ldx, %o1, %g3))
- subcc %o4, 0x8, %o4
- srlx %g3, %o3, %o5
- or %o5, %g2, %o5
- EX_ST(STORE(stx, %o5, %o0))
+1: add %i1, 0x8, %i1
+ EX_LD(LOAD(ldx, %i1, %g3))
+ subcc %i4, 0x8, %i4
+ srlx %g3, %i3, %i5
+ or %i5, %g2, %i5
+ EX_ST(STORE(stx, %i5, %o0))
add %o0, 0x8, %o0
bgu,pt %icc, 1b
sllx %g3, %g1, %g2
srl %g1, 3, %g1
- andcc %o2, 0x7, %o2
+ andcc %i2, 0x7, %i2
be,pn %icc, 85f
- add %o1, %g1, %o1
+ add %i1, %g1, %i1
ba,pt %xcc, 90f
- sub %o0, %o1, %o3
+ sub %o0, %i1, %i3
.align 64
80: /* 0 < len <= 16 */
- andcc %o3, 0x3, %g0
+ andcc %i3, 0x3, %g0
bne,pn %XCC, 90f
- sub %o0, %o1, %o3
+ sub %o0, %i1, %i3
1:
- subcc %o2, 4, %o2
- EX_LD(LOAD(lduw, %o1, %g1))
- EX_ST(STORE(stw, %g1, %o1 + %o3))
+ subcc %i2, 4, %i2
+ EX_LD(LOAD(lduw, %i1, %g1))
+ EX_ST(STORE(stw, %g1, %i1 + %i3))
bgu,pt %XCC, 1b
- add %o1, 4, %o1
+ add %i1, 4, %i1
-85: retl
- mov EX_RETVAL(GLOBAL_SPARE), %o0
+85: ret
+ restore EX_RETVAL(%i0), %g0, %o0
.align 32
90:
- subcc %o2, 1, %o2
- EX_LD(LOAD(ldub, %o1, %g1))
- EX_ST(STORE(stb, %g1, %o1 + %o3))
+ subcc %i2, 1, %i2
+ EX_LD(LOAD(ldub, %i1, %g1))
+ EX_ST(STORE(stb, %g1, %i1 + %i3))
bgu,pt %XCC, 90b
- add %o1, 1, %o1
- retl
- mov EX_RETVAL(GLOBAL_SPARE), %o0
+ add %i1, 1, %i1
+ ret
+ restore EX_RETVAL(%i0), %g0, %o0
.size FUNC_NAME, .-FUNC_NAME
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index ffa03640628..b4d9089a6a0 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -60,14 +60,6 @@ config ZONE_DMA
bool
default y
-config QUICKLIST
- bool
- default y
-
-config NR_QUICK
- int
- default 2
-
config ISA
bool
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index 938278697e2..18b23181090 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -38,6 +38,18 @@
movq %rax,R8(%rsp)
.endm
+ .macro LOAD_ARGS32 offset
+ movl \offset(%rsp),%r11d
+ movl \offset+8(%rsp),%r10d
+ movl \offset+16(%rsp),%r9d
+ movl \offset+24(%rsp),%r8d
+ movl \offset+40(%rsp),%ecx
+ movl \offset+48(%rsp),%edx
+ movl \offset+56(%rsp),%esi
+ movl \offset+64(%rsp),%edi
+ movl \offset+72(%rsp),%eax
+ .endm
+
.macro CFI_STARTPROC32 simple
CFI_STARTPROC \simple
CFI_UNDEFINED r8
@@ -152,7 +164,7 @@ sysenter_tracesys:
movq $-ENOSYS,RAX(%rsp) /* really needed? */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
- LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */
+ LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
movl %ebp, %ebp
/* no need to do an access_ok check here because rbp has been
@@ -255,7 +267,7 @@ cstar_tracesys:
movq $-ENOSYS,RAX(%rsp) /* really needed? */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
- LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */
+ LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
movl RSP-ARGOFFSET(%rsp), %r8d
/* no need to do an access_ok check here because r8 has been
@@ -334,7 +346,7 @@ ia32_tracesys:
movq $-ENOSYS,RAX(%rsp) /* really needed? */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
- LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */
+ LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
jmp ia32_do_syscall
END(ia32_syscall)
diff --git a/arch/x86_64/kernel/acpi/wakeup.S b/arch/x86_64/kernel/acpi/wakeup.S
index 13f1480cbec..a06f2bcabef 100644
--- a/arch/x86_64/kernel/acpi/wakeup.S
+++ b/arch/x86_64/kernel/acpi/wakeup.S
@@ -81,7 +81,7 @@ wakeup_code:
testl $2, realmode_flags - wakeup_code
jz 1f
mov video_mode - wakeup_code, %ax
- call mode_seta
+ call mode_set
1:
movw $0xb800, %ax
@@ -291,52 +291,31 @@ no_longmode:
#define VIDEO_FIRST_V7 0x0900
# Setting of user mode (AX=mode ID) => CF=success
+
+# For now, we only handle VESA modes (0x0200..0x03ff). To handle other
+# modes, we should probably compile in the video code from the boot
+# directory.
.code16
-mode_seta:
+mode_set:
movw %ax, %bx
-#if 0
- cmpb $0xff, %ah
- jz setalias
-
- testb $VIDEO_RECALC>>8, %ah
- jnz _setrec
-
- cmpb $VIDEO_FIRST_RESOLUTION>>8, %ah
- jnc setres
-
- cmpb $VIDEO_FIRST_SPECIAL>>8, %ah
- jz setspc
-
- cmpb $VIDEO_FIRST_V7>>8, %ah
- jz setv7
-#endif
-
- cmpb $VIDEO_FIRST_VESA>>8, %ah
- jnc check_vesaa
-#if 0
- orb %ah, %ah
- jz setmenu
-#endif
-
- decb %ah
-# jz setbios Add bios modes later
+ subb $VIDEO_FIRST_VESA>>8, %bh
+ cmpb $2, %bh
+ jb check_vesa
-setbada: clc
+setbad:
+ clc
ret
-check_vesaa:
- subb $VIDEO_FIRST_VESA>>8, %bh
+check_vesa:
orw $0x4000, %bx # Use linear frame buffer
movw $0x4f02, %ax # VESA BIOS mode set call
int $0x10
cmpw $0x004f, %ax # AL=4f if implemented
- jnz _setbada # AH=0 if OK
+ jnz setbad # AH=0 if OK
stc
ret
-_setbada: jmp setbada
-
wakeup_stack_begin: # Stack grows down
.org 0xff0
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 2842f50cbe3..98956555450 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -208,7 +208,6 @@ void cpu_idle (void)
if (__get_cpu_var(cpu_idle_state))
__get_cpu_var(cpu_idle_state) = 0;
- check_pgt_cache();
rmb();
idle = pm_idle;
if (!idle)
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index e83cc67155a..eea3702427b 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -232,10 +232,6 @@ static int putreg(struct task_struct *child,
{
unsigned long tmp;
- /* Some code in the 64bit emulation may not be 64bit clean.
- Don't take any chances. */
- if (test_tsk_thread_flag(child, TIF_IA32))
- value &= 0xffffffff;
switch (regno) {
case offsetof(struct user_regs_struct,fs):
if (value && (value & 3) != 3)
diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c
index 673a300b594..df4a82812ad 100644
--- a/arch/x86_64/kernel/smp.c
+++ b/arch/x86_64/kernel/smp.c
@@ -241,7 +241,7 @@ void flush_tlb_mm (struct mm_struct * mm)
}
if (!cpus_empty(cpu_mask))
flush_tlb_others(cpu_mask, mm, FLUSH_ALL);
- check_pgt_cache();
+
preempt_enable();
}
EXPORT_SYMBOL(flush_tlb_mm);
diff --git a/arch/x86_64/vdso/voffset.h b/arch/x86_64/vdso/voffset.h
index 5304204911f..4af67c79085 100644
--- a/arch/x86_64/vdso/voffset.h
+++ b/arch/x86_64/vdso/voffset.h
@@ -1 +1 @@
-#define VDSO_TEXT_OFFSET 0x500
+#define VDSO_TEXT_OFFSET 0x600