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CONFIG_ARM_ERRATA_326103: ARM errata: FSR write bit incorrect on a SWP to read-only memory

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The Linux kernel configuration item CONFIG_ARM_ERRATA_326103:

Help text

Executing a SWP instruction to read-only memory does not set bit 11 of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to treat the access as a read, preventing a COW from occurring and causing the faulting task to livelock.



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