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Jason Wessel ba773f7c51 x86,kgdb: Fix hw breakpoint regression 
HW breakpoints events stopped working correctly with kgdb
as a result of commit: 018cbffe68
(Merge commit 'v2.6.33' into perf/core).

The regression occurred because the behavior changed for setting
NOTIFY_STOP as the return value to the die notifier if the breakpoint
was known to the HW breakpoint API.  Because kgdb is using the HW
breakpoint API to register HW breakpoints slots, it must also now
implement the overflow_handler call back else kgdb does not get to see
the events from the die notifier.

The kgdb_ll_trap function will be changed to be general purpose code
which can allow an easy way to implement the hw_breakpoint API
overflow call back.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Dongdong Deng <dongdong.deng@windriver.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
2010-07-28 19:10:30 -05:00
..
acpi Merge branch 'bugzilla-16396' into release 2010-07-24 23:26:22 -04:00
apic x86: Fix x2apic preenabled system with kexec 2010-07-16 16:49:41 -07:00
cpu [CPUFREQ] powernow-k8: Limit Pstate transition latency check 2010-07-26 15:25:34 -04:00
.gitignore
alternative.c Merge branch 'x86/asm' into x86/atomic 2010-04-29 16:53:17 -07:00
amd_iommu.c x86/amd-iommu: Fall back to GART if initialization fails 2010-06-01 10:20:15 +02:00
amd_iommu_init.c x86/amd-iommu: Fall back to GART if initialization fails 2010-06-01 10:20:15 +02:00
apb_timer.c x86, mrst: Conditionally register cpu hotplug notifier for apbt 2010-04-20 14:38:28 -07:00
aperture_64.c x86/gart: Disable GART explicitly before initialization 2010-04-07 14:36:30 +02:00
apm_32.c i8253: Convert i8253_lock to raw_spinlock 2010-03-02 10:28:38 +01:00
asm-offsets.c
asm-offsets_32.c
asm-offsets_64.c
audit_64.c
bios_uv.c Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-02-28 11:00:55 -08:00
bootflag.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
check.c
cpuid.c x86: convert cpu notifier to return encapsulate errno value 2010-05-27 09:12:48 -07:00
crash.c Revert "x86: disable IOMMUs on kernel crash" 2010-04-07 11:51:17 +02:00
crash_dump_32.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
crash_dump_64.c
doublefault_32.c
dumpstack.c x86, perf, bts, mm: Delete the never used BTS-ptrace code 2010-03-26 11:33:55 +01:00
dumpstack.h perf: Fix unsafe frame rewinding with hot regs fetching 2010-04-08 19:03:28 +02:00
dumpstack_32.c perf: Drop useless check for ignored frame 2010-01-13 10:09:08 +01:00
dumpstack_64.c perf/x86-64: Use frame pointer to walk on irq and process stacks 2010-03-10 14:26:40 +01:00
e820.c suspend: Move NVS save/restore code to generic suspend functionality 2010-06-10 11:02:34 -04:00
early-quirks.c x86: Force HPET readback_cmp for all ATI chipsets 2010-07-15 17:10:02 +02:00
early_printk.c earlyprintk,vga,kdb: Fix \b and \r for earlyprintk=vga with kdb 2010-05-20 21:04:31 -05:00
efi.c x86: Remove trailing spaces in messages 2010-02-07 17:47:51 +01:00
efi_32.c
efi_64.c
efi_stub_32.S
efi_stub_64.S
entry_32.S x86-32: Rework cache flush denied handler 2010-05-03 13:39:26 -07:00
entry_64.S x86: auditsyscall: fix fastpath return value after reschedule 2010-07-21 17:44:12 -07:00
ftrace.c Merge branch 'tracing/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into tracing/core 2010-02-27 10:06:10 +01:00
head.c
head32.c x86: Make sure free_init_pages() frees pages on page boundary 2010-03-29 18:55:33 +02:00
head64.c x86: Make sure free_init_pages() frees pages on page boundary 2010-03-29 18:55:33 +02:00
head_32.S Merge branch 'master' into percpu 2010-01-05 09:17:33 +09:00
head_64.S tree-wide: Assorted spelling fixes 2010-02-09 11:13:56 +01:00
hpet.c x86: Do not try to disable hpet if it hasn't been initialized before 2010-07-23 12:53:00 +02:00
hw_breakpoint.c hw-breakpoints: Change/Enforce some breakpoints policies 2010-05-01 04:32:10 +02:00
i386_ksyms_32.c x86: Don't generate cmpxchg8b_emu if CONFIG_X86_CMPXCHG64=y 2009-10-01 08:42:24 +02:00
i387.c x86: Introduce 'struct fpu' and related API 2010-05-10 10:48:55 -07:00
i8237.c
i8253.c i8253: Convert i8253_lock to raw_spinlock 2010-03-02 10:28:38 +01:00
i8259.c x86, i8259: Only register sysdev if we have a real 8259 PIC 2010-07-20 15:27:33 -07:00
init_task.c Rename .data.cacheline_aligned to .data..cacheline_aligned. 2010-03-03 11:25:58 +01:00
io_delay.c
ioport.c x86-64, paravirt: Call set_iopl_mask() on 64 bits 2009-12-09 16:54:08 -08:00
irq.c genirq: Convert irq_desc.lock to raw_spinlock 2009-12-14 23:55:33 +01:00
irq_32.c x86: Unify fixup_irqs() for 32-bit and 64-bit kernels 2009-11-02 15:56:34 +01:00
irq_64.c x86: Unify fixup_irqs() for 32-bit and 64-bit kernels 2009-11-02 15:56:34 +01:00
irqinit.c x86: Merge simd_math_error() into math_error() 2010-05-03 13:39:29 -07:00
k8.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
kdebugfs.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
kgdb.c x86,kgdb: Fix hw breakpoint regression 2010-07-28 19:10:30 -05:00
kprobes.c x86: kprobes: fix swapped segment registers in kretprobe 2010-07-18 15:05:34 -07:00
kvm.c
kvmclock.c x86, paravirt: don't compute pvclock adjustments if we trust the tsc 2010-05-19 11:41:05 +03:00
ldt.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
machine_kexec_32.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-12-08 13:27:33 -08:00
machine_kexec_64.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
Makefile x86, perf, bts, mm: Delete the never used BTS-ptrace code 2010-03-26 11:33:55 +01:00
mca_32.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
microcode_amd.c Revert "x86: ucode-amd: Load ucode-patches once ..." 2010-01-23 06:21:59 +01:00
microcode_core.c driver core: add devname module aliases to allow module on-demand auto-loading 2010-05-25 15:08:26 -07:00
microcode_intel.c x86: Improve Intel microcode loader performance 2010-03-11 13:49:06 +01:00
mmconf-fam10h_64.c x86: Move range related operation to one file 2010-02-10 17:47:17 -08:00
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
mpparse.c x86, irq: Rename gsi_end gsi_top, and fix off by one errors 2010-06-09 13:34:06 -07:00
mrst.c x86, mrst: Add i8042_detect API for Moorestwon platform 2010-07-07 17:05:06 -07:00
msr.c x86: convert cpu notifier to return encapsulate errno value 2010-05-27 09:12:48 -07:00
olpc.c x86, olpc: Use pci subarch init for OLPC 2010-02-25 19:26:23 -08:00
paravirt-spinlocks.c locking: Convert __raw_spin* functions to arch_spin* 2009-12-14 23:55:32 +01:00
paravirt.c x86, paravirt: Remove kmap_atomic_pte paravirt op. 2010-02-27 14:41:35 -08:00
paravirt_patch_32.c
paravirt_patch_64.c
pci-calgary_64.c x86, Calgary: Limit the max PHB number to 256 2010-06-30 22:41:42 -07:00
pci-dma.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
pci-gart_64.c Merge branch 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent 2010-04-13 13:24:54 +02:00
pci-nommu.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
pci-swiotlb.c x86: remove unnecessary sync_single_range_* in swiotlb_dma_ops 2010-05-27 09:12:52 -07:00
pcspeaker.c
pmtimer_64.c
probe_roms_32.c
process.c Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-05-18 08:58:16 -07:00
process_32.c Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-05-18 08:58:16 -07:00
process_64.c Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-05-18 08:58:16 -07:00
ptrace.c hw-breakpoints: Tag ptrace breakpoint as exclude_kernel 2010-05-01 04:32:07 +02:00
pvclock.c x86, paravirt: don't compute pvclock adjustments if we trust the tsc 2010-05-19 11:41:05 +03:00
quirks.c x86: Force HPET readback_cmp for all ATI chipsets 2010-07-15 17:10:02 +02:00
reboot.c x86: Fix rebooting on Dell Precision WorkStation T7400 2010-06-20 09:24:13 +02:00
reboot_fixups_32.c cs5535: move the DIVIL MSR definition into linux/cs5535.h 2009-12-15 08:53:28 -08:00
relocate_kernel_32.S
relocate_kernel_64.S
rtc.c
scx200_32.c
setup.c x86, setup: Phoenix BIOS fixup is needed on Dell Inspiron Mini 1012 2010-05-24 13:33:14 -07:00
setup_percpu.c Fix up trivial spelling errors ('taht' -> 'that') 2010-07-21 09:25:42 -07:00
sfi.c x86, irq: Rename gsi_end gsi_top, and fix off by one errors 2010-06-09 13:34:06 -07:00
signal.c x86: Merge sys_sigaltstack 2009-12-09 16:28:59 -08:00
smp.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
smpboot.c x86, smpboot: Fix cores per node printing on boot 2010-06-02 09:38:53 +02:00
stacktrace.c perf events, x86/stacktrace: Make stack walking optional 2009-12-17 09:56:19 +01:00
step.c x86, ptrace: Fix block-step 2010-03-26 11:33:57 +01:00
sys_i386_32.c Add generic sys_olduname() 2010-03-12 15:52:32 -08:00
sys_x86_64.c improve sys_newuname() for compat architectures 2010-03-12 15:52:32 -08:00
syscall_64.c
syscall_table_32.S Add generic sys_old_mmap() 2010-03-12 15:52:32 -08:00
tboot.c Merge branch 'kvm-updates/2.6.35' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2010-05-21 17:16:21 -07:00
tce_64.c
test_nx.c
test_rodata.c
time.c x86: Convert i8259_lock to raw_spinlock 2010-02-16 18:21:32 +01:00
tlb_uv.c Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-05-18 09:46:35 -07:00
tls.c
tls.h
topology.c
trampoline.c x86: Use find_e820() instead of hard coded trampoline address 2009-12-11 09:28:22 +01:00
trampoline_32.S
trampoline_64.S x86: Fix Suspend to RAM freeze on Acer Aspire 1511Lmi laptop 2009-10-12 18:06:48 +02:00
traps.c x86: Send a SIGTRAP for user icebp traps 2010-06-30 16:16:20 +02:00
tsc.c Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
tsc_sync.c locking: Convert __raw_spin* functions to arch_spin* 2009-12-14 23:55:32 +01:00
uv_irq.c Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-05-18 09:46:35 -07:00
uv_sysfs.c x86: Remove trailing spaces in messages 2010-02-07 17:47:51 +01:00
uv_time.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
verify_cpu_64.S
visws_quirks.c Merge remote branch 'origin/x86/apic' into x86/mrst 2010-02-22 16:25:18 -08:00
vm86_32.c x86, 32-bit: Convert sys_vm86 & sys_vm86old 2009-12-09 16:29:23 -08:00
vmi_32.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
vmiclock_32.c Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
vmlinux.lds.S Merge branch 'for-35' of git://repo.or.cz/linux-kbuild 2010-06-01 08:55:52 -07:00
vsmp_64.c
vsyscall_64.c x86: Raise vsyscall priority on hotplug notifier chain 2010-03-01 12:35:40 -03:00
x86_init.c x86: Add i8042 pre-detection hook to x86_platform_ops 2010-07-07 17:05:06 -07:00
x8664_ksyms_64.c x86-64: Don't export init_level4_pgt 2010-04-28 17:25:47 -07:00
xsave.c x86: Introduce 'struct fpu' and related API 2010-05-10 10:48:55 -07:00