[PATCH 3/6] asm-generic/tlb, arch: Invert CONFIG_HAVE_RCU_TABLE_INVALIDATE

2020-02-20 Thread Santosh Sivaraj
From: Peter Zijlstra Make issuing a TLB invalidate for page-table pages the normal case. The reason is twofold: - too many invalidates is safer than too few, - most architectures use the linux page-tables natively and would thus require this. Make it an opt-out, instead of an opt-in. No

[PATCH 3/6] asm-generic/tlb, arch: Invert CONFIG_HAVE_RCU_TABLE_INVALIDATE

2020-02-19 Thread Santosh Sivaraj
From: Peter Zijlstra Make issuing a TLB invalidate for page-table pages the normal case. The reason is twofold: - too many invalidates is safer than too few, - most architectures use the linux page-tables natively and would thus require this. Make it an opt-out, instead of an opt-in. No