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David Howells 9ee21723cc MN10300: gdbstub: Restrict single-stepping to non-preemptable non-SMP configs 
Restrict single-stepping through the kernel using gdbstub to non-preemptable
non-SMP configs as gdbstub has to do software single-stepping by means of
temporary breakpoints.  Hardware single-stepping is unavailable as Panasonic
have not sufficiently documented the interface to it.

Software single-stepping through preemptable or SMP kernels runs into problems
as it makes it much more likely that the wrong thread will hit the temporary
breakpoints.  It seems impractical to work around the problem for the most
part.  It could be possible to make a UP preemptable kernel switch temporary
breakpoints in and out in switch_to().

Signed-off-by: David Howells <dhowells@redhat.com>
2011-03-18 16:54:29 +00:00
..
alpha mm: make __get_user_pages return -EHWPOISON for HWPOISON page optionally 2011-03-17 13:08:27 -03:00
arm Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 2011-03-17 19:28:15 -07:00
avr32 avr32: add missing include causing undefined pgtable_page_* references 2011-01-26 12:35:15 +01:00
blackfin Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-03-16 08:22:41 -07:00
cris Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-03-16 08:22:41 -07:00
frv Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-03-16 08:22:41 -07:00
h8300 h8300: Switch do_timer() to xtime_update() 2011-01-31 14:55:45 +01:00
ia64 KVM: Add "exiting guest mode" state 2011-03-17 13:08:26 -03:00
m32r Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-03-16 08:22:41 -07:00
m68k Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 2011-03-16 19:08:03 -07:00
m68knommu Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2011-03-16 19:02:36 -07:00
microblaze Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-16 17:28:10 -07:00
mips Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2011-03-17 18:40:35 -07:00
mn10300 MN10300: gdbstub: Restrict single-stepping to non-preemptable non-SMP configs 2011-03-18 16:54:29 +00:00
parisc mm: make __get_user_pages return -EHWPOISON for HWPOISON page optionally 2011-03-17 13:08:27 -03:00
powerpc Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2011-03-17 18:40:35 -07:00
s390 Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 2011-03-17 10:10:49 -07:00
score score: Use generic irq Kconfig 2011-01-21 11:55:34 +01:00
sh sh: Convert to generic show_interrupts. 2011-03-17 17:31:51 +09:00
sparc Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2011-03-17 18:40:35 -07:00
tile Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2011-03-17 19:34:12 -07:00
um Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-03-16 08:22:41 -07:00
unicore32 unicore32: rewrite arch-specific tlb.h to use asm-generic version 2011-03-17 09:19:21 +08:00
x86 Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2011-03-17 18:40:35 -07:00
xtensa Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 2011-03-16 15:11:04 -07:00
.gitignore
Kconfig [S390] mutex: Introduce arch_mutex_cpu_relax() 2011-01-05 12:47:31 +01:00