arm64: use PAGE_KERNEL_ROX directly in alloc_insn_page
authorChristoph Hellwig <hch@lst.de>
Fri, 26 Jun 2020 03:30:43 +0000 (20:30 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 26 Jun 2020 07:27:38 +0000 (00:27 -0700)
commit10d5e97c1bf816facbc7c431c6caf47ee35fc1ed
tree02dc287ce6fbfabe7d1a65c64c76ab58cecbafe7
parent800e26b81311dcc0080b8784f80620bb8f2baaa5
arm64: use PAGE_KERNEL_ROX directly in alloc_insn_page

Use PAGE_KERNEL_ROX directly instead of allocating RWX and setting the
page read-only just after the allocation.

Link: http://lkml.kernel.org/r/20200618064307.32739-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/arm64/kernel/probes/kprobes.c