bc666ae7f7e873e90fdf853f43e1c522f01c2a87 - third_party/github/zephyrproject-rtos/zephyr

commit: bc666ae7f7e873e90fdf853f43e1c522f01c2a87
[log]
author: Andrew Boie <andrew.p.boie@intel.com>
Fri Jul 14 16:35:17 2017 -0700
committer: Anas Nashif <nashif@linux.intel.com>
Tue Jul 25 11:32:36 2017 -0400
tree: 78ad04d3d61824c18b09e115bf63d59239d82069
parent: 08c291306e3410267fcace817178dbe73acd8caf [diff]

x86: implement improved double-fault handler

We now create a special IA hardware task for handling
double faults. This has a known good stack so that if
the kernel tries to push stack data onto an unmapped page,
we don't triple-fault and reset the system.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>

arch/x86/Kconfig[diff]
arch/x86/core/crt0.S[diff]
arch/x86/core/fatal.c[diff]
arch/x86/core/x86_mmu.c[diff]
arch/x86/include/kernel_arch_data.h[diff]
include/arch/x86/arch.h[diff]
include/arch/x86/linker.ld[diff]
scripts/gen_gdt.py[diff]

8 files changed

tree: 78ad04d3d61824c18b09e115bf63d59239d82069