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ANDROID: GKI: enable KFENCE by setting the sample interval to 500ms

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This change effectively enables KFENCE in GKI kernels with a sample
interval of 500ms.
It is still possible to disable KFENCE at boot time using
kfence.sample_interval=0.

Bug: 176228452
Test: kernel builds, device boots normally
Test: TreeHugger

Signed-off-by: Alexander Potapenko <glider@google.com>
Change-Id: I69cb0fc8fdebba36c9166b275ad245240314d811
This commit is contained in:
Alexander Potapenko
2021-03-18 13:22:11 +01:00
parent 9d1c78d623
commit a7f3a36529
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/configs/gki_defconfig
View File

@@ -626,7 +626,7 @@ CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_KASAN=y CONFIG_KASAN=y
CONFIG_KASAN_HW_TAGS=y CONFIG_KASAN_HW_TAGS=y
CONFIG_KFENCE=y CONFIG_KFENCE=y
CONFIG_KFENCE_SAMPLE_INTERVAL=0 CONFIG_KFENCE_SAMPLE_INTERVAL=500
CONFIG_PANIC_ON_OOPS=y CONFIG_PANIC_ON_OOPS=y
CONFIG_PANIC_TIMEOUT=-1 CONFIG_PANIC_TIMEOUT=-1
CONFIG_WQ_WATCHDOG=y CONFIG_WQ_WATCHDOG=y

2
arch/x86/configs/gki_defconfig
View File

@@ -569,7 +569,7 @@ CONFIG_PAGE_OWNER=y
CONFIG_DEBUG_STACK_USAGE=y CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_KFENCE=y CONFIG_KFENCE=y
CONFIG_KFENCE_SAMPLE_INTERVAL=0 CONFIG_KFENCE_SAMPLE_INTERVAL=500
CONFIG_PANIC_ON_OOPS=y CONFIG_PANIC_ON_OOPS=y
CONFIG_PANIC_TIMEOUT=-1 CONFIG_PANIC_TIMEOUT=-1
CONFIG_WQ_WATCHDOG=y CONFIG_WQ_WATCHDOG=y