Vincenzo Frascino d263119387 arm64: compat: Reduce address limit ... Currently, compat tasks running on arm64 can allocate memory up to TASK_SIZE_32 (UL(0x100000000)). This means that mmap() allocations, if we treat them as returning an array, are not compliant with the sections 6.5.8 of the C standard (C99) which states that: "If the expression P points to an element of an array object and the expression Q points to the last element of the same array object, the pointer expression Q+1 compares greater than P". Redefine TASK_SIZE_32 to address the issue. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Jann Horn <jannh@google.com> Cc: <stable@vger.kernel.org> Reported-by: Jann Horn <jannh@google.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> [will: fixed typo in comment] Signed-off-by: Will Deacon <will.deacon@arm.com>		2019-04-10 17:38:12 +01:00
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asm	arm64: compat: Reduce address limit	2019-04-10 17:38:12 +01:00
uapi/asm	kbuild: force all architectures except um to include mandatory-y	2019-03-17 12:56:32 +09:00