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    SubjectRe: [PATCH v9 30/44] arm64: kasan: Allow enabling in-kernel MTE
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    On 11/13/20 12:00 PM, Catalin Marinas wrote:
    > On Fri, Nov 13, 2020 at 11:17:15AM +0000, Vincenzo Frascino wrote:
    >> 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@arm.com>
    >>>>
    >>>> 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.
    >
    > Fine by me as long as the commit text is consistent with the diff.
    >

    Done already, it will be in the next series. Thank you for the quick turnaround.

    --
    Regards,
    Vincenzo

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