Ard Biesheuvel 8ea41b11ef arm64: assembler: allow adr_this_cpu to use the stack pointer ... Given that adr_this_cpu already requires a temp register in addition to the destination register, tweak the instruction sequence so that sp may be used as well. This will simplify switching to per-cpu stacks in subsequent patches. While this limits the range of adr_this_cpu, to +/-4GiB, we don't currently use adr_this_cpu in modules, and this is not problematic for the main kernel image. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> [Mark: add more commit text] Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Will Deacon <will.deacon@arm.com> Tested-by: Laura Abbott <labbott@redhat.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: James Morse <james.morse@arm.com>		2017-08-15 18:35:47 +01:00
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asm	arm64: assembler: allow adr_this_cpu to use the stack pointer	2017-08-15 18:35:47 +01:00
uapi/asm	arm64: move generic-y of exported headers to uapi/asm/Kbuild	2017-07-10 03:43:20 +09:00