xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: 8646/1: mmu: decouple VECTORS_BASE from Kconfig

Browse Source 
For MMU configurations, VECTORS_BASE is always 0xffff0000, a macro
definition will suffice.

For no-MMU, exception base address is dynamically determined in
subsequent patches. To preserve bisectability, now make the
macro applicable for no-MMU scenario too.

Thanks to 0-DAY kernel test infrastructure that found the
bisectability issue. This macro will be restricted to MMU case upon
dynamically determining exception base address for no-MMU.

Once exception address is handled dynamically for no-MMU,
VECTORS_BASE can be removed from Kconfig.

Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>
Tested-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Afzal Mohammed
2017-01-29 17:31:32 +01:00
committed by Russell King
parent 035e787543
commit d2ca5f2491
4 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/include/asm/memory.h
View File

@@ -111,6 +111,8 @@
#endif /* !CONFIG_MMU */
#define VECTORS_BASE UL(0xffff0000)
#ifdef CONFIG_XIP_KERNEL
#define KERNEL_START _sdata
#else