select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_ARCH_KGDB
select HAVE_HW_BREAKPOINT
+ select HAVE_MIXED_BREAKPOINTS_REGS
select PERF_EVENTS if HAVE_HW_BREAKPOINT
select ARCH_HIBERNATION_POSSIBLE if MMU
config HAVE_LATENCYTOP_SUPPORT
def_bool y
- depends on !SMP
config ARCH_HAS_ILOG2_U32
def_bool n
config CPU_SHX3
bool
select DMA_COHERENT
+ select SYS_SUPPORTS_SMP
+ select SYS_SUPPORTS_NUMA
config ARCH_SHMOBILE
bool
select CPU_SH4A
select CPU_SHX3
select CPU_HAS_PTEAEX
- select ARCH_SPARSEMEM_ENABLE
- select SYS_SUPPORTS_NUMA
- select SYS_SUPPORTS_SMP
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
config CPU_SUBTYPE_SHX3
bool "Support SH-X3 processor"
select CPU_SH4A
select CPU_SHX3
- select ARCH_SPARSEMEM_ENABLE
- select SYS_SUPPORTS_NUMA
- select SYS_SUPPORTS_SMP
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
# SH4AL-DSP Processor Support
config CRASH_DUMP
bool "kernel crash dumps (EXPERIMENTAL)"
- depends on SUPERH32 && EXPERIMENTAL
+ depends on SUPERH32 && EXPERIMENTAL && BROKEN_ON_SMP
help
Generate crash dump after being started by kexec.
This should be normally only set in special crash dump kernels
This is purely to save memory - each supported CPU adds
approximately eight kilobytes to the kernel image.
+ config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
+ depends on SMP && HOTPLUG && EXPERIMENTAL
+ help
+ Say Y here to experiment with turning CPUs off and on. CPUs
+ can be controlled through /sys/devices/system/cpu.
+
source "kernel/Kconfig.preempt"
config GUSA
LLSC, this should be more efficient than the other alternative of
disabling interrupts around the atomic sequence.
+ source "drivers/sh/Kconfig"
+
endmenu
menu "Boot options"
source "crypto/Kconfig"
+ menuconfig VIRTUALIZATION
+ bool "Virtualization"
+ default n
+ ---help---
+ Say Y here to get to see options for using your Linux host to run other
+ operating systems inside virtual machines (guests).
+ This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and disabled.
+
+ if VIRTUALIZATION
+
+ source drivers/virtio/Kconfig
+
+ endif # VIRTUALIZATION
+
source "lib/Kconfig"
/* Maximum number of UBC channels */
#define HBP_NUM 2
+static inline int hw_breakpoint_slots(int type)
+{
+ return HBP_NUM;
+}
+
/* arch/sh/kernel/hw_breakpoint.c */
-extern int arch_check_va_in_userspace(unsigned long va, u16 hbp_len);
-extern int arch_validate_hwbkpt_settings(struct perf_event *bp,
- struct task_struct *tsk);
+extern int arch_check_bp_in_kernelspace(struct perf_event *bp);
+extern int arch_validate_hwbkpt_settings(struct perf_event *bp);
extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
unsigned long val, void *data);
int arch_install_hw_breakpoint(struct perf_event *bp);
void arch_uninstall_hw_breakpoint(struct perf_event *bp);
void hw_breakpoint_pmu_read(struct perf_event *bp);
- void hw_breakpoint_pmu_unthrottle(struct perf_event *bp);
extern void arch_fill_perf_breakpoint(struct perf_event *bp);
extern int register_sh_ubc(struct sh_ubc *);
return len_in_bytes;
}
-/*
- * Check for virtual address in user space.
- */
-int arch_check_va_in_userspace(unsigned long va, u16 hbp_len)
-{
- unsigned int len;
-
- len = get_hbp_len(hbp_len);
-
- return (va <= TASK_SIZE - len);
-}
-
/*
* Check for virtual address in kernel space.
*/
-static int arch_check_va_in_kernelspace(unsigned long va, u8 hbp_len)
+int arch_check_bp_in_kernelspace(struct perf_event *bp)
{
unsigned int len;
+ unsigned long va;
+ struct arch_hw_breakpoint *info = counter_arch_bp(bp);
- len = get_hbp_len(hbp_len);
+ va = info->address;
+ len = get_hbp_len(info->len);
return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE);
}
/*
* Validate the arch-specific HW Breakpoint register settings
*/
-int arch_validate_hwbkpt_settings(struct perf_event *bp,
- struct task_struct *tsk)
+int arch_validate_hwbkpt_settings(struct perf_event *bp)
{
struct arch_hw_breakpoint *info = counter_arch_bp(bp);
unsigned int align;
if (info->address & align)
return -EINVAL;
- /* Check that the virtual address is in the proper range */
- if (tsk) {
- if (!arch_check_va_in_userspace(info->address, info->len))
- return -EFAULT;
- } else {
- if (!arch_check_va_in_kernelspace(info->address, info->len))
- return -EFAULT;
- }
-
return 0;
}
perf_bp_event(bp, args->regs);
/* Deliver the signal to userspace */
- if (arch_check_va_in_userspace(bp->attr.bp_addr,
- bp->attr.bp_len)) {
+ if (!arch_check_bp_in_kernelspace(bp)) {
siginfo_t info;
info.si_signo = args->signr;
/* TODO */
}
- void hw_breakpoint_pmu_unthrottle(struct perf_event *bp)
- {
- /* TODO */
- }
-
int register_sh_ubc(struct sh_ubc *ubc)
{
/* Bail if it's already assigned */
* released.
*/
int platform_device_add_resources(struct platform_device *pdev,
- struct resource *res, unsigned int num)
+ const struct resource *res, unsigned int num)
{
struct resource *r;
*/
struct platform_device *platform_device_register_simple(const char *name,
int id,
- struct resource *res,
+ const struct resource *res,
unsigned int num)
{
struct platform_device *pdev;
}
if (match) {
+ /*
+ * Set up a sensible init_name to enable
+ * dev_name() and others to be used before the
+ * rest of the driver core is initialized.
+ */
+ if (!match->dev.init_name && slab_is_available()) {
+ if (match->id != -1)
+ match->dev.init_name =
+ kasprintf(GFP_KERNEL, "%s.%d",
+ match->name,
+ match->id);
+ else
+ match->dev.init_name =
+ kasprintf(GFP_KERNEL, "%s",
+ match->name);
+
+ if (!match->dev.init_name)
+ return -ENOMEM;
+ }
+
if (epdrv->pdrv->probe(match))
pr_warning("%s: unable to probe %s early.\n",
class_str, match->name);
git.openpandora.org / pandora-kernel.git / commitdiff