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authorMark Rutland <mark.rutland@arm.com>2017-07-14 19:43:56 +0100
committerMark Rutland <mark.rutland@arm.com>2017-08-15 18:35:00 +0100
commitb6531456ba279bb7cea5dd2e7b3ec6a3ed0f4668 (patch)
tree229051e8c43d85c7f066759f7d36ffd15cfd11ce /arch/arm64/include/asm/stacktrace.h
parentarm64: kernel: remove {THREAD,IRQ_STACK}_START_SP (diff)
downloadlinux-dev-b6531456ba279bb7cea5dd2e7b3ec6a3ed0f4668.tar.xz
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arm64: factor out PAGE_* and CONT_* definitions
Some headers rely on PAGE_* definitions from <asm/page.h>, but cannot include this due to potential circular includes. For example, a number of definitions in <asm/memory.h> rely on PAGE_SHIFT, and <asm/page.h> includes <asm/memory.h>. This requires users of these definitions to include both headers, which is fragile and error-prone. This patch ameliorates matters by moving the basic definitions out to a new header, <asm/page-def.h>. Both <asm/page.h> and <asm/memory.h> are updated to include this, avoiding this fragility, and avoiding the possibility of circular include dependencies. 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: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: James Morse <james.morse@arm.com>
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