| Message ID | cf8585177e6798095b1af02f28dad5a3271a761e.1584352425.git.zong.li@sifive.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Support KASLR for RISC-V | expand |
On 3/24/20 3:30 AM, Zong Li wrote: > Add interface to get the random offset. > > Signed-off-by: Zong Li <zong.li@sifive.com> > --- > arch/riscv/include/asm/page.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h > index 92848e172a40..e2c2020f0a8d 100644 > --- a/arch/riscv/include/asm/page.h > +++ b/arch/riscv/include/asm/page.h > @@ -101,6 +101,11 @@ extern unsigned long kernel_virt_addr; > extern unsigned long max_low_pfn; > extern unsigned long min_low_pfn; > > +static inline unsigned long get_kaslr_offset(void) > +{ > + return kernel_virt_addr - PAGE_OFFSET; > +} > + > #define __pa_to_va_nodebug(x) ((void *)((unsigned long) (x) + va_pa_offset)) > #define __va_to_pa_nodebug(x) ((unsigned long)(x) - va_pa_offset) > > No problem for this one: Reviewed-by: Alexandre Ghiti <alex@ghiti.fr> Thanks, Alex
diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h index 92848e172a40..e2c2020f0a8d 100644 --- a/arch/riscv/include/asm/page.h +++ b/arch/riscv/include/asm/page.h @@ -101,6 +101,11 @@ extern unsigned long kernel_virt_addr; extern unsigned long max_low_pfn; extern unsigned long min_low_pfn; +static inline unsigned long get_kaslr_offset(void) +{ + return kernel_virt_addr - PAGE_OFFSET; +} + #define __pa_to_va_nodebug(x) ((void *)((unsigned long) (x) + va_pa_offset)) #define __va_to_pa_nodebug(x) ((unsigned long)(x) - va_pa_offset)
Add interface to get the random offset. Signed-off-by: Zong Li <zong.li@sifive.com> --- arch/riscv/include/asm/page.h | 5 +++++ 1 file changed, 5 insertions(+)