diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2017-08-15 18:40:58 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2017-08-15 18:40:58 +0100 |
| commit | df5b95bee1ed7009a2090e9924e7a96e14850d56 (patch) | |
| tree | 03606e57fd6c7e8efbff2315dd64ea857448f517 /arch/arm64/include/asm/assembler.h | |
| parent | 969ff73e72fe903a2354c51e01c1a1f937c544ca (diff) | |
| parent | 872d8327ce8982883b8237b2c320c8666f14e561 (diff) | |
Merge branch 'arm64/vmap-stack' of git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux into for-next/core
* 'arm64/vmap-stack' of git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux:
arm64: add VMAP_STACK overflow detection
arm64: add on_accessible_stack()
arm64: add basic VMAP_STACK support
arm64: use an irq stack pointer
arm64: assembler: allow adr_this_cpu to use the stack pointer
arm64: factor out entry stack manipulation
efi/arm64: add EFI_KIMG_ALIGN
arm64: move SEGMENT_ALIGN to <asm/memory.h>
arm64: clean up irq stack definitions
arm64: clean up THREAD_* definitions
arm64: factor out PAGE_* and CONT_* definitions
arm64: kernel: remove {THREAD,IRQ_STACK}_START_SP
fork: allow arch-override of VMAP stack alignment
arm64: remove __die()'s stack dump
Diffstat (limited to 'arch/arm64/include/asm/assembler.h')
| -rw-r--r-- | arch/arm64/include/asm/assembler.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 1ef56837cc6f..d58a6253c6ab 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -230,12 +230,18 @@ lr .req x30 // link register .endm /* - * @dst: Result of per_cpu(sym, smp_processor_id()) + * @dst: Result of per_cpu(sym, smp_processor_id()), can be SP for + * non-module code * @sym: The name of the per-cpu variable * @tmp: scratch register */ .macro adr_this_cpu, dst, sym, tmp +#ifndef MODULE + adrp \tmp, \sym + add \dst, \tmp, #:lo12:\sym +#else adr_l \dst, \sym +#endif mrs \tmp, tpidr_el1 add \dst, \dst, \tmp .endm |