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linux_dsm_epyc7002/arch/arm/kernel
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Imre Deak 82c6f5a5b3 ARM: 6051/1: VFP: preserve the HW context when calling signal handlers 
From: Imre Deak <imre.deak@nokia.com>

Signal handlers can use floating point, so prevent them to corrupt
the main thread's VFP context. So far there were two signal stack
frame formats defined based on the VFP implementation, but the user
struct used for ptrace covers all posibilities, so use it for the
signal stack too.

Introduce also a new user struct for VFP exception registers. In
this too fields not relevant to the current VFP architecture are
ignored.

Support to save / restore the exception registers was added by
Will Deacon.

Signed-off-by: Imre Deak <imre.deak@nokia.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-04-14 11:11:30 +01:00
..
.gitignore [ARM] 5194/1: update .gitignore 2008-08-12 19:54:09 +01:00
armksyms.c ARM: unexport symbols used to implement floating point emulation 2009-12-15 16:28:22 +10:30
arthur.c [ARM] arm/kernel/arthur.c: add MODULE_LICENSE 2008-05-17 22:55:16 +01:00
asm-offsets.c ARM: dma-mapping: provide per-cpu type map/unmap functions 2010-02-15 15:22:20 +00:00
atags.c clean up atags exporting code 2008-05-30 10:33:49 +02:00
atags.h [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags 2008-02-04 13:21:03 +00:00
bios32.c resource/PCI: mark struct resource as const 2010-02-22 16:16:57 -08:00
calls.S Add generic sys_old_mmap() 2010-03-12 15:52:32 -08:00
compat.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
compat.h [ARM] 3365/1: [cleanup] header for compat.c exported functions 2006-03-15 23:17:30 +00:00
crunch-bits.S [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
crunch.c ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread() 2009-12-18 14:53:41 +00:00
debug.S ARM: 5910/1: ARM: Add tmp register for addruart and loadsp 2010-02-12 17:27:52 +00:00
dma-isa.c ARM: dma-isa: request cascade channel after registering it 2009-12-24 18:34:08 +00:00
dma.c [ARM] dma: remove dmamode_t typedef 2009-01-02 12:34:55 +00:00
early_printk.c ARM: Add an earlyprintk debug console 2009-12-09 10:02:18 +00:00
ecard.c arm: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:43 -08:00
ecard.h [ARM] rpc: ecard: remove deprecated ecard_address() and relatives 2008-07-03 14:25:58 +01:00
elf.c ARM: 5883/1: Revert "disable NX support for OABI-supporting kernels" 2010-01-18 14:12:11 +00:00
entry-armv.S ARM: Fix wrong dmb 2010-01-12 18:59:16 +00:00
entry-common.S Unify sys_mmap* 2009-12-11 06:44:29 -05:00
entry-header.S ARM: 5991/1: Fix regression in restore_user_regs macro 2010-03-15 17:20:08 +00:00
etm.c ARM: 5841/1: a driver for on-chip ETM and ETB 2009-12-02 10:25:22 +00:00
fiq.c [ARM] 5421/1: ftrace: fix crash due to tracing of __naked functions 2009-03-12 21:33:03 +00:00
ftrace.c small doc fix: ftrace_dyn_arch_init is called by ftrace_init 2008-12-12 11:15:45 +01:00
head-common.S ARM: 5784/1: fix early boot machine ID mismatch error display 2009-11-08 11:58:54 +00:00
head-nommu.S ARM: convert to use __HEAD and HEAD_TEXT macros. 2009-11-23 20:33:34 +00:00
head.S ARM: convert to use __HEAD and HEAD_TEXT macros. 2009-11-23 20:33:34 +00:00
init_task.c Use new __init_task_data macro in arch init_task.c files. 2009-09-21 06:27:08 +02:00
io.c [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
irq.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
isa.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
iwmmxt.S [ARM] 3707/1: iwmmxt: use the generic thread notifier infrastructure 2006-07-01 19:56:48 +01:00
kgdb.c ARM: 5989/1: ARM: KGDB: add support for SMP platforms 2010-03-15 14:33:04 +00:00
kprobes-decode.c [ARM] 5221/1: fix ldm/stm emulation for kprobes 2008-09-01 12:06:33 +01:00
kprobes.c Merge branch 'master' into export-slabh 2010-04-05 11:37:28 +09:00
leds.c ARM: move LED support code out of arch/arm/kernel/time.c 2010-02-15 21:39:12 +00:00
machine_kexec.c [ARM] Storage class should be before const qualifier 2009-02-10 09:59:19 +00:00
Makefile Merge branch 'misc2' into devel 2010-02-25 22:09:41 +00:00
module.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
perf_event.c Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/genesis-2.6 2010-03-15 14:27:06 +00:00
pmu.c ARM: 5899/2: arm: provide a mechanism to reserve performance counters 2010-02-12 17:23:43 +00:00
process.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ptrace.c arm: use generic ptrace_resume code 2010-03-12 15:52:38 -08:00
ptrace.h arm: use generic ptrace_resume code 2010-03-12 15:52:38 -08:00
relocate_kernel.S [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags 2008-02-04 13:21:03 +00:00
return_address.c [ARM] 5613/1: implement CALLER_ADDRESSx 2009-07-21 17:21:28 +01:00
setup.c Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2010-03-01 09:15:15 -08:00
signal.c ARM: 6051/1: VFP: preserve the HW context when calling signal handlers 2010-04-14 11:11:30 +01:00
signal.h ARM: Fix signal restart issues with NX and OABI compat 2009-10-25 15:39:37 +00:00
smp_scu.c Check whether the SCU was already initialised 2009-11-05 10:10:36 +00:00
smp_twd.c ARM: Do not allow the probing of the local timer 2009-12-09 13:19:31 +00:00
smp.c ARM: Add L2 cache handling to smp boot support 2010-03-14 19:42:35 +00:00
stacktrace.c [ARM] 5613/1: implement CALLER_ADDRESSx 2009-07-21 17:21:28 +01:00
sys_arm.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sys_oabi-compat.c Add generic sys_ipc wrapper 2010-03-12 15:52:32 -08:00
tcm.c ARM: 5580/2: ARM TCM (Tightly-Coupled Memory) support v3 2009-09-15 22:11:05 +01:00
tcm.h ARM: 5580/2: ARM TCM (Tightly-Coupled Memory) support v3 2009-09-15 22:11:05 +01:00
thumbee.c Fix the teehbr_read function prototype 2008-11-10 14:14:11 +00:00
time.c ARM: move LED support code out of arch/arm/kernel/time.c 2010-02-15 21:39:12 +00:00
traps.c ARM: add notify_die() support 2010-02-15 21:39:14 +00:00
unwind.c ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted 2010-03-07 10:22:00 +00:00
vmlinux.lds.S ARM: 5880/1: arm: use generic infrastructure for early params 2010-02-15 21:39:13 +00:00
xscale-cp0.c ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread() 2009-12-18 14:53:41 +00:00