Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=linux-4.7.y 2015-01-05T11:36:42+00:00 2015-01-05T11:36:42+00:00 Michal Simek michal.simek@xilinx.com 2014-12-18T14:32:57+00:00 urn:sha1:f396a4d2314bf1cb83148d9b8fc47995e6c27e1f This patch removes the warning: arch/microblaze/kernel/kgdb.c:81:6: warning: no previous prototype for 'microblaze_kgdb_break' [-Wmissing-prototypes] Signed-off-by: Michal Simek <michal.simek@xilinx.com> 2010-08-04T08:45:17+00:00 Michal Simek monstr@monstr.eu 2010-08-03T09:45:08+00:00 urn:sha1:2d5973cb5ac5d04662f86e19a06a4c52fa4c4ae3 Kgdb uses brki r16, 0x18 instruction to call low level _debug_exception function which save current state to pt_regs and call microblaze_kgdb_break function. _debug_exception should be called only from the kernel space. User space calling is not supported because user application debugging uses different handling. pt_regs_to_gdb_regs loads additional special registers which can't be changed * Enable KGDB in Kconfig * Remove ancient not-tested KGDB support * Remove ancient _debug_exception code from entry.S Only MMU KGDB support is supported. Signed-off-by: Michal Simek <monstr@monstr.eu> CC: Jason Wessel <jason.wessel@windriver.com> CC: John Williams <john.williams@petalogix.com> CC: Edgar E. Iglesias <edgar.iglesias@petalogix.com> CC: linux-kernel@vger.kernel.org Acked-by: Jason Wessel <jason.wessel@windriver.com>