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ANDROID: gki_defconfig: initialize locals with zeroes

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This patch switches compiler-based stack initialization from 0xAA
to zero pattern, resulting in much more efficient code and saner
defaults for uninitialized local variables.

Bug: 154198143
Test: run cuttlefish and observe the following lines in dmesg:
      test_stackinit: all tests passed!
      test_meminit: all 130 tests passed!

Signed-off-by: Alexander Potapenko <glider@google.com>
Change-Id: If9f2047fcbee58b90dbd8ad45707c5b40a654e2d
This commit is contained in:
Alexander Potapenko 2020-09-03 09:16:26 +02:00 • committed by Alistair Delva
commit a564726277
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/configs/gki_defconfig
View file

@ -543,7 +543,7 @@ CONFIG_FORTIFY_SOURCE=y
CONFIG_STATIC_USERMODEHELPER=y
CONFIG_STATIC_USERMODEHELPER_PATH=""
CONFIG_SECURITY_SELINUX=y
CONFIG_INIT_STACK_ALL=y
CONFIG_INIT_STACK_ALL_ZERO=y
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
CONFIG_CRYPTO_ADIANTUM=y
CONFIG_CRYPTO_LZ4=y

2
arch/x86/configs/gki_defconfig
View file

@ -469,7 +469,7 @@ CONFIG_FORTIFY_SOURCE=y
CONFIG_STATIC_USERMODEHELPER=y
CONFIG_STATIC_USERMODEHELPER_PATH=""
CONFIG_SECURITY_SELINUX=y
CONFIG_INIT_STACK_ALL=y
CONFIG_INIT_STACK_ALL_ZERO=y
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
CONFIG_CRYPTO_ADIANTUM=y
CONFIG_CRYPTO_SHA256_SSSE3=y