Hi Catalin, On 11/12/20 9:43 AM, Catalin Marinas wrote: > On Tue, Nov 10, 2020 at 11:10:27PM +0100, Andrey Konovalov wrote: >> From: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> >> >> Hardware tag-based KASAN relies on Memory Tagging Extension (MTE) >> feature and requires it to be enabled. MTE supports >> >> This patch adds a new mte_init_tags() helper, that enables MTE in >> Synchronous mode in EL1 and is intended to be called from KASAN runtime >> during initialization. > > There's no mte_init_tags() in this function. > During the rework, I realized that the description of mte_init_tags() in this patch refers to mte_enable_kernel(). In fact the only thing that mte_init_tags() does is to configure the GCR_EL1 register, hence my preference would be to keep all the code that deals with such a register in one patch. What is your preference? -- Regards, Vincenzo