aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/configs/netx_defconfig6
-rw-r--r--arch/arm/configs/picotux200_defconfig6
-rw-r--r--arch/arm/include/asm/bitops.h16
-rw-r--r--arch/arm/include/asm/processor.h2
-rw-r--r--arch/arm/kernel/armksyms.c4
-rw-r--r--arch/arm/kernel/ftrace.c2
-rw-r--r--arch/arm/mach-at91/at91rm9200_time.c9
-rw-r--r--arch/arm/mach-omap1/io.c2
-rw-r--r--arch/arm/mm/alignment.c26
-rw-r--r--arch/arm/plat-omap/include/mach/omapfb.h4
-rw-r--r--arch/arm/plat-omap/sram.c8
-rw-r--r--arch/arm/plat-orion/pcie.c2
-rw-r--r--arch/powerpc/kernel/cpu_setup_44x.S1
-rw-r--r--arch/powerpc/kernel/cputable.c3
-rw-r--r--arch/x86/kernel/amd_iommu.c13
-rw-r--r--arch/x86/kernel/paravirt-spinlocks.c3
17 files changed, 73 insertions, 35 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1bce9caea27..fb2877526d5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -156,7 +156,6 @@ config ARCH_MTD_XIP
bool
config GENERIC_HARDIRQS_NO__DO_IRQ
- bool
def_bool y
if OPROFILE
diff --git a/arch/arm/configs/netx_defconfig b/arch/arm/configs/netx_defconfig
index 0884f2370c3..61d0fc5b241 100644
--- a/arch/arm/configs/netx_defconfig
+++ b/arch/arm/configs/netx_defconfig
@@ -728,9 +728,9 @@ CONFIG_RTC_CLASS=m
#
# RTC interfaces
#
-CONFIG_RTC_INTF_SYSFS=m
-CONFIG_RTC_INTF_PROC=m
-CONFIG_RTC_INTF_DEV=m
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
#
# RTC drivers
diff --git a/arch/arm/configs/picotux200_defconfig b/arch/arm/configs/picotux200_defconfig
index 14826f0dabd..59e4463c2da 100644
--- a/arch/arm/configs/picotux200_defconfig
+++ b/arch/arm/configs/picotux200_defconfig
@@ -1069,9 +1069,9 @@ CONFIG_RTC_CLASS=m
#
# RTC interfaces
#
-CONFIG_RTC_INTF_SYSFS=m
-CONFIG_RTC_INTF_PROC=m
-CONFIG_RTC_INTF_DEV=m
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
#
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index 9a1db20e032..63a481fbbed 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -237,6 +237,7 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
#if __LINUX_ARM_ARCH__ < 5
#include <asm-generic/bitops/ffz.h>
+#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/ffs.h>
@@ -277,16 +278,19 @@ static inline int constant_fls(int x)
* the clz instruction for much better code efficiency.
*/
-#define __fls(x) \
- ( __builtin_constant_p(x) ? constant_fls(x) : \
- ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
-
-/* Implement fls() in C so that 64-bit args are suitably truncated */
static inline int fls(int x)
{
- return __fls(x);
+ int ret;
+
+ if (__builtin_constant_p(x))
+ return constant_fls(x);
+
+ asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc");
+ ret = 32 - ret;
+ return ret;
}
+#define __fls(x) (fls(x) - 1)
#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
#define __ffs(x) (ffs(x) - 1)
#define ffz(x) __ffs( ~(x) )
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 517a4d6ffc7..6ff33790f47 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -23,7 +23,7 @@
#include <asm/types.h>
#ifdef __KERNEL__
-#define STACK_TOP ((current->personality == PER_LINUX_32BIT) ? \
+#define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \
TASK_SIZE : TASK_SIZE_26)
#define STACK_TOP_MAX TASK_SIZE
#endif
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index c74f766ffc1..23af3c972c9 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -115,6 +115,8 @@ EXPORT_SYMBOL(__strnlen_user);
EXPORT_SYMBOL(__strncpy_from_user);
#ifdef CONFIG_MMU
+EXPORT_SYMBOL(copy_page);
+
EXPORT_SYMBOL(__copy_from_user);
EXPORT_SYMBOL(__copy_to_user);
EXPORT_SYMBOL(__clear_user);
@@ -181,8 +183,6 @@ EXPORT_SYMBOL(_find_first_bit_be);
EXPORT_SYMBOL(_find_next_bit_be);
#endif
-EXPORT_SYMBOL(copy_page);
-
#ifdef CONFIG_FUNCTION_TRACER
EXPORT_SYMBOL(mcount);
#endif
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 6c90479e897..c6384276622 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -95,7 +95,7 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
return ret;
}
-/* run from kstop_machine */
+/* run from ftrace_init with irqs disabled */
int __init ftrace_dyn_arch_init(void *data)
{
ftrace_mcount_set(data);
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index a72e798a2a4..d140eae53de 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -141,6 +141,15 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
/* Use "raw" primitives so we behave correctly on RT kernels. */
raw_local_irq_save(flags);
+ /*
+ * According to Thomas Gleixner irqs are already disabled here. Simply
+ * removing raw_local_irq_save above (and the matching
+ * raw_local_irq_restore) was not accepted. See
+ * http://thread.gmane.org/gmane.linux.ports.arm.kernel/41174
+ * So for now (2008-11-20) just warn once if irqs were not disabled ...
+ */
+ WARN_ON_ONCE(!raw_irqs_disabled_flags(flags));
+
/* The alarm IRQ uses absolute time (now+delta), not the relative
* time (delta) in our calling convention. Like all clockevents
* using such "match" hardware, we have a race to defend against.
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index b3bd8ca8511..4c3e582f3d3 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -128,7 +128,7 @@ void __init omap1_map_common_io(void)
* Common low-level hardware init for omap1. This should only get called from
* board specific init.
*/
-void __init omap1_init_common_hw()
+void __init omap1_init_common_hw(void)
{
/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
* on a Posted Write in the TIPB Bridge".
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 133e65d166b..2d5884ce043 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -70,6 +70,10 @@ static unsigned long ai_dword;
static unsigned long ai_multi;
static int ai_usermode;
+#define UM_WARN (1 << 0)
+#define UM_FIXUP (1 << 1)
+#define UM_SIGNAL (1 << 2)
+
#ifdef CONFIG_PROC_FS
static const char *usermode_action[] = {
"ignored",
@@ -754,7 +758,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
user:
ai_user += 1;
- if (ai_usermode & 1)
+ if (ai_usermode & UM_WARN)
printk("Alignment trap: %s (%d) PC=0x%08lx Instr=0x%0*lx "
"Address=0x%08lx FSR 0x%03x\n", current->comm,
task_pid_nr(current), instrptr,
@@ -762,10 +766,10 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
thumb_mode(regs) ? tinstr : instr,
addr, fsr);
- if (ai_usermode & 2)
+ if (ai_usermode & UM_FIXUP)
goto fixup;
- if (ai_usermode & 4)
+ if (ai_usermode & UM_SIGNAL)
force_sig(SIGBUS, current);
else
set_cr(cr_no_alignment);
@@ -796,6 +800,22 @@ static int __init alignment_init(void)
res->write_proc = proc_alignment_write;
#endif
+ /*
+ * ARMv6 and later CPUs can perform unaligned accesses for
+ * most single load and store instructions up to word size.
+ * LDM, STM, LDRD and STRD still need to be handled.
+ *
+ * Ignoring the alignment fault is not an option on these
+ * CPUs since we spin re-faulting the instruction without
+ * making any progress.
+ */
+ if (cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U)) {
+ cr_alignment &= ~CR_A;
+ cr_no_alignment &= ~CR_A;
+ set_cr(cr_alignment);
+ ai_usermode = UM_FIXUP;
+ }
+
hook_fault_code(1, do_alignment, SIGILL, "alignment exception");
hook_fault_code(3, do_alignment, SIGILL, "alignment exception");
diff --git a/arch/arm/plat-omap/include/mach/omapfb.h b/arch/arm/plat-omap/include/mach/omapfb.h
index ec67fb42860..7b74d1255e0 100644
--- a/arch/arm/plat-omap/include/mach/omapfb.h
+++ b/arch/arm/plat-omap/include/mach/omapfb.h
@@ -353,8 +353,8 @@ struct omapfb_device {
u32 pseudo_palette[17];
struct lcd_panel *panel; /* LCD panel */
- struct lcd_ctrl *ctrl; /* LCD controller */
- struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
+ const struct lcd_ctrl *ctrl; /* LCD controller */
+ const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
interface */
struct device *dev;
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 9f9a921829c..dcd9d16da2e 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -255,7 +255,7 @@ void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
if (!_omap_sram_reprogram_clock)
omap_sram_error();
- return _omap_sram_reprogram_clock(dpllctl, ckctl);
+ _omap_sram_reprogram_clock(dpllctl, ckctl);
}
int __init omap1_sram_init(void)
@@ -282,8 +282,8 @@ void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
if (!_omap2_sram_ddr_init)
omap_sram_error();
- return _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
- base_cs, force_unlock);
+ _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
+ base_cs, force_unlock);
}
static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
@@ -294,7 +294,7 @@ void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
if (!_omap2_sram_reprogram_sdrc)
omap_sram_error();
- return _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
+ _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
}
static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index 883902fead8..d41d41d78ad 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -35,7 +35,7 @@
#define PCIE_CONF_REG(r) ((((r) & 0xf00) << 16) | ((r) & 0xfc))
#define PCIE_CONF_BUS(b) (((b) & 0xff) << 16)
#define PCIE_CONF_DEV(d) (((d) & 0x1f) << 11)
-#define PCIE_CONF_FUNC(f) (((f) & 0x3) << 8)
+#define PCIE_CONF_FUNC(f) (((f) & 0x7) << 8)
#define PCIE_CONF_DATA_OFF 0x18fc
#define PCIE_MASK_OFF 0x1910
#define PCIE_CTRL_OFF 0x1a00
diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S
index 31c18b52aff..10b4ab1008a 100644
--- a/arch/powerpc/kernel/cpu_setup_44x.S
+++ b/arch/powerpc/kernel/cpu_setup_44x.S
@@ -40,6 +40,7 @@ _GLOBAL(__setup_cpu_460gt)
mtlr r4
blr
+_GLOBAL(__setup_cpu_440x5)
_GLOBAL(__setup_cpu_440gx)
_GLOBAL(__setup_cpu_440spe)
b __fixup_440A_mcheck
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index b1eb834bc0f..7e8719504f3 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -39,6 +39,7 @@ extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
@@ -1500,6 +1501,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
.cpu_user_features = COMMON_USER_BOOKE,
.icache_bsize = 32,
.dcache_bsize = 32,
+ .cpu_setup = __setup_cpu_440x5,
+ .machine_check = machine_check_440A,
.platform = "ppc440",
},
{ /* 460EX */
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 5662e226b0c..a7b6dec6fc3 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -344,7 +344,7 @@ static int iommu_map(struct protection_domain *dom,
u64 __pte, *pte, *page;
bus_addr = PAGE_ALIGN(bus_addr);
- phys_addr = PAGE_ALIGN(bus_addr);
+ phys_addr = PAGE_ALIGN(phys_addr);
/* only support 512GB address spaces for now */
if (bus_addr > IOMMU_MAP_SIZE_L3 || !(prot & IOMMU_PROT_MASK))
@@ -600,7 +600,7 @@ static void dma_ops_free_pagetable(struct dma_ops_domain *dma_dom)
continue;
p2 = IOMMU_PTE_PAGE(p1[i]);
- for (j = 0; j < 512; ++i) {
+ for (j = 0; j < 512; ++j) {
if (!IOMMU_PTE_PRESENT(p2[j]))
continue;
p3 = IOMMU_PTE_PAGE(p2[j]);
@@ -910,7 +910,7 @@ static void dma_ops_domain_unmap(struct amd_iommu *iommu,
if (address >= dom->aperture_size)
return;
- WARN_ON(address & 0xfffULL || address > dom->aperture_size);
+ WARN_ON(address & ~PAGE_MASK || address >= dom->aperture_size);
pte = dom->pte_pages[IOMMU_PTE_L1_INDEX(address)];
pte += IOMMU_PTE_L0_INDEX(address);
@@ -922,8 +922,8 @@ static void dma_ops_domain_unmap(struct amd_iommu *iommu,
/*
* This function contains common code for mapping of a physically
- * contiguous memory region into DMA address space. It is uses by all
- * mapping functions provided by this IOMMU driver.
+ * contiguous memory region into DMA address space. It is used by all
+ * mapping functions provided with this IOMMU driver.
* Must be called with the domain lock held.
*/
static dma_addr_t __map_single(struct device *dev,
@@ -983,7 +983,8 @@ static void __unmap_single(struct amd_iommu *iommu,
dma_addr_t i, start;
unsigned int pages;
- if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
+ if ((dma_addr == bad_dma_address) ||
+ (dma_addr + size > dma_dom->aperture_size))
return;
pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
index 0e9f1982b1d..95777b0faa7 100644
--- a/arch/x86/kernel/paravirt-spinlocks.c
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -7,7 +7,8 @@
#include <asm/paravirt.h>
-static void default_spin_lock_flags(struct raw_spinlock *lock, unsigned long flags)
+static inline void
+default_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
{
__raw_spin_lock(lock);
}