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Date: Mon, 16 Nov 2020 02:30:56 -0800 From: Max Filippov <jcmvbkbc@...il.com> To: linux-xtensa@...ux-xtensa.org Cc: Chris Zankel <chris@...kel.net>, linux-kernel@...r.kernel.org, Max Filippov <jcmvbkbc@...il.com> Subject: [PATCH 0/2] xtensa: cache aliasing fixes Hello, this series changes TLBTEMP region placement and disables preemption around all cache alias management calls. This fixes TLB miss and multihit issues in the TLBTEMP area seen on cores with aliasing cache. Max Filippov (2): xtensa: fix TLBTEMP area placement xtensa: disable preemption around cache alias management calls Documentation/xtensa/mmu.rst | 9 ++++++--- arch/xtensa/include/asm/pgtable.h | 2 +- arch/xtensa/mm/cache.c | 14 ++++++++++++++ 3 files changed, 21 insertions(+), 4 deletions(-) -- 2.20.1
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