Re: [PATCH v7 2/9] arm64: report address tag when FEAT_MTE_TAGGED_FAR is supported

Hi Mark.

On Wed, Jun 11, 2025 at 02:58:11PM +0100, Yeoreum Yun wrote:

quoted

 	 * The architecture specifies that bits 63:60 of FAR_EL1 are UNKNOWN
 	 * for tag check faults. Set them to corresponding bits in the untagged
-	 * address.
+	 * address if ARM64_MTE_FAR isn't supported.
+	 * Otherwise, bits 63:60 of FAR_EL1 are KNOWN.
 	 */

Should that be "are UNKNOWN"?

Otherwise in here mentions the case when ARM64_MTE_FAR is supported,
So the bits 63:60 of FAR_EL1 are "not UNKNOWN" but I write it with
KNOWN.
Do you want to change this to "not UNKNOWN"?
or Am I missing something?

--
Sincerely,
Yeoreum Yun