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Nicolas Pitre 3572bea8cb ARM: 6748/1: ignore mdesc->boot_params if out of range ... The initial MMU table created in head.S contains a 1 MB mapping at the start of memory to let the early kernel boot code access the boot params specified by mdesc->boot_params. When using CONFIG_ARM_PATCH_PHYS_VIRT it is possible for the kernel to have a different idea of where the start of memory is at run time, making the compile-time determined mdesc->boot_params pointing to a memory area which is not mapped. Any access to the boot params in that case will fault and silently hang the kernel at that point. It is therefore a better idea to simply ignore mdesc->boot_params in that case and give the kernel a chance to print some diagnostic on the console later. If the bootloader provides a valid pointer in r2 to the kernel then this is used instead of mdesc->boot_params, and an explicit mapping is already created in the initial MMU table for it. It is therefore a good idea to use that facility when using a relocated kernel. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>		14 years ago
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.gitignore	…
Makefile	Merge branch 'devel-stable' into devel	14 years ago
armksyms.c	ARM: P2V: introduce phys_to_virt/virt_to_phys runtime patching	14 years ago
arthur.c	…
asm-offsets.c	arm: remove machine_desc.io_pg_offst and .phys_io	15 years ago
atags.c	…
atags.h	…
bios32.c	ARM: 6058/1: Add support for PCI domains	15 years ago
calls.S	ARM: 6343/1: wire up fanotify and prlimit64 syscalls on ARM	15 years ago
compat.c	ARM: deprecate support for old way to pass kernel parameters	15 years ago
compat.h	ARM: deprecate support for old way to pass kernel parameters	15 years ago
crash_dump.c	ARM: 6120/1: kdump: implement copy_oldmem_page()	15 years ago
crunch-bits.S	…
crunch.c	ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread()	15 years ago
debug.S	arm: return both physical and virtual addresses from addruart	15 years ago
dma-isa.c	ARM: dma-isa: request cascade channel after registering it	15 years ago
dma.c	ARM: dma: add /proc/dma support to arch/arm/kernel/dma.c	15 years ago
early_printk.c	ARM: Add an earlyprintk debug console	15 years ago
ecard.c	ARM: ecard: irq_data conversion.	14 years ago
ecard.h	…
elf.c	ARM: 5883/1: Revert "disable NX support for OABI-supporting kernels"	15 years ago
entry-armv.S	Merge branch 'devel-stable' into devel	14 years ago
entry-common.S	Merge branch 'clksrc' into devel	14 years ago
entry-header.S	ARM: hw_breakpoint: disable preemption during debug exception handling	14 years ago
etm.c	Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl	15 years ago
fiq.c	Merge branch 'smp' into misc	14 years ago
ftrace.c	ARM: ftrace: graph tracer + dynamic ftrace	14 years ago
head-common.S	ARM: Defer lookup of machine_type to setup.c	14 years ago
head-nommu.S	ARM: Defer lookup of machine_type to setup.c	14 years ago
head.S	ARM: 6648/1: map ATAGs when not in first 1MB of RAM	14 years ago
hw_breakpoint.c	ARM: hw_breakpoint: do not fail initcall if monitor mode is disabled	14 years ago
init_task.c	Use new __init_task_data macro in arch init_task.c files.	16 years ago
io.c	…
irq.c	ARM: core irq_data conversion.	14 years ago
isa.c	sysctl: Drop & in front of every proc_handler.	15 years ago
iwmmxt.S	ARM: pxa: add iwmmx support for PJ4	14 years ago
kgdb.c	kgdb,arm: fix register dump	15 years ago
kprobes-decode.c	ARM: 6412/1: kprobes-decode: add support for MOVW instruction	15 years ago
kprobes.c	Merge branch 'master' into export-slabh	15 years ago
leds.c	ARM: move LED support code out of arch/arm/kernel/time.c	15 years ago
machine_kexec.c	ARM: 6522/1: kexec: Add call to non-crashing cores through IPI	14 years ago
module.c	ARM: P2V: introduce phys_to_virt/virt_to_phys runtime patching	14 years ago
perf_event.c	Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm	14 years ago
perf_event_v6.c	ARM: 6521/1: perf: use raw_spinlock_t for pmu_lock	14 years ago
perf_event_v7.c	ARM: 6521/1: perf: use raw_spinlock_t for pmu_lock	14 years ago
perf_event_xscale.c	ARM: 6521/1: perf: use raw_spinlock_t for pmu_lock	14 years ago
pj4-cp0.c	ARM: pxa: add iwmmx support for PJ4	14 years ago
pmu.c	ARM: 6064/1: pmu: register IRQs at runtime	15 years ago
process.c	ARM: 6619/1: nommu: avoid mapping vectors page when !CONFIG_MMU	14 years ago
ptrace.c	ARM: ptrace: fix style issue with hw_breakpoint interface	14 years ago
ptrace.h	arm: use generic ptrace_resume code	15 years ago
relocate_kernel.S	ARM: 6497/1: kexec: Correct data alignment for CONFIG_THUMB2_KERNEL	14 years ago
return_address.c	[ARM] 5613/1: implement CALLER_ADDRESSx	16 years ago
sched_clock.c	ARM: sched_clock: make minsec argument to clocks_calc_mult_shift() zero	14 years ago
setup.c	ARM: 6748/1: ignore mdesc->boot_params if out of range	14 years ago
signal.c	ARM: 6051/1: VFP: preserve the HW context when calling signal handlers	15 years ago
signal.h	ARM: Fix signal restart issues with NX and OABI compat	16 years ago
smp.c	Merge branch 'pgt' (early part) into devel	14 years ago
smp_scu.c	Check whether the SCU was already initialised	15 years ago
smp_tlb.c	ARM: SMP: split out software TLB maintainence broadcasting	14 years ago
smp_twd.c	ARM: twd: ensure timer reload is reprogrammed on entry to periodic mode	14 years ago
stacktrace.c	ARM: fix /proc/$PID/stack on SMP	14 years ago
swp_emulate.c	ARM: 6396/1: Add SWP/SWPB emulation for ARMv7 processors	14 years ago
sys_arm.c	Make do_execve() take a const filename pointer	15 years ago
sys_oabi-compat.c	Mark arguments to certain syscalls as being const	15 years ago
tcm.c	ARM: P2V: separate PHYS_OFFSET from platform definitions	14 years ago
tcm.h	ARM: 5580/2: ARM TCM (Tightly-Coupled Memory) support v3	16 years ago
thumbee.c	…
time.c	ARM: sched_clock: allow init_sched_clock() to be called early	14 years ago
traps.c	Merge branch 'pgt' (early part) into devel	14 years ago
unwind.c	ARM: 6468/1: backtrace: fix calculation of thread stack base	14 years ago
vmlinux.lds.S	ARM: P2V: introduce phys_to_virt/virt_to_phys runtime patching	14 years ago
xscale-cp0.c	ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread()	15 years ago