d598338175
When KASLR is enabled (CONFIG_RANDOMIZE_BASE=y), the top 4K of kernel virtual address space may be mapped to physical addresses despite being reserved for ERR_PTR values. Fix the randomization of the linear region so that we avoid mapping the last page of the virtual address space. Change-Id: I3035dbe8e64b2a31f5d56b7dc29366958adda6ce Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: liyueyi <liyueyi@live.com> [will: rewrote commit message; merged in suggestion from Ard] Signed-off-by: Will Deacon <will.deacon@arm.com> Git-commit: c8a43c18a97845e7f94ed7d181c11f41964976a2 Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org> |
||
|---|---|---|
| .. | ||
| alpha | ||
| arc | ||
| arm | ||
| arm64 | ||
| avr32 | ||
| blackfin | ||
| c6x | ||
| cris | ||
| frv | ||
| h8300 | ||
| hexagon | ||
| ia64 | ||
| m32r | ||
| m68k | ||
| metag | ||
| microblaze | ||
| mips | ||
| mn10300 | ||
| nios2 | ||
| openrisc | ||
| parisc | ||
| powerpc | ||
| s390 | ||
| score | ||
| sh | ||
| sparc | ||
| tile | ||
| um | ||
| unicore32 | ||
| x86 | ||
| xtensa | ||
| .gitignore | ||
| Kconfig | ||