xtensa: enable KCSAN

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Prefix arch-specific barrier macros with '__' to make use of instrumented
generic macros.
Prefix arch-specific bitops with 'arch_' to make use of instrumented
generic functions.
Provide stubs for 64-bit atomics when building with KCSAN.
Disable KCSAN instrumentation in arch/xtensa/boot.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Marco Elver <elver@google.com>

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This commit is contained in:

Max Filippov 2019-10-04 23:33:31 -07:00

parent 507185695e

commit 725aea8732

6 changed files with 73 additions and 7 deletions

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1

arch/xtensa/Kconfig

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1

arch/xtensa/boot/lib/Makefile

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12

arch/xtensa/include/asm/barrier.h

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10

arch/xtensa/include/asm/bitops.h

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2

arch/xtensa/lib/Makefile

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54

arch/xtensa/lib/kcsan-stubs.c

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