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3 Commits

Author SHA1 Message Date
Mark Charlebois 34ccf8f455 arm64: LLVMLinux: Use global stack register variable for aarch64 
To support both Clang and GCC, use the global stack register variable vs
a local register variable.

Author: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
 2014-09-08 14:39:19 +01:00
Catalin Marinas b57fc9e806 arm64: Fix !CONFIG_SMP kernel build 
Commit fb4a96029c (arm64: kernel: fix per-cpu offset restore on
resume) uses per_cpu_offset() unconditionally during CPU wakeup,
however, this is only defined for the SMP case.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Dave P Martin <Dave.Martin@arm.com>
 2014-02-28 16:12:25 +00:00
Will Deacon 7158627686 arm64: percpu: implement optimised pcpu access using tpidr_el1 
This patch implements optimised percpu variable accesses using the
el1 r/w thread register (tpidr_el1) along the same lines as arch/arm/.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
 2013-12-19 17:43:06 +00:00