From nobody Wed May 27 15:24:12 2026 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gQYLj1H5mz6fBR9 for ; Wed, 27 May 2026 15:24:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gQYLh66Rgz3PjH for ; Wed, 27 May 2026 15:24:12 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1779895452; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=W8ONOWUf7RuBEodzSxUn8Q8NBCrQXOXpjnBV8ehy8EI=; b=uejQcv2aNSodPsO7ffyK9cA6BPRL1T+oxNrY6nFMIM4nLec3/GzoGX/k9T0L5Xbk5Zayhf eoJGTSHAI7j9viNgEHhDRt17jt8Ys0T0/G2ZMgD+mevgBtHlvmfNIilnR2HPSYJNGEqv+s YvnsmYNBJMl3EyBKG77U49YF5HFtJJ4RHT6I1sc+Bg8hzhIhPDssss3+Fk38AzM2fu6lR8 l8XpRC78TeuhqZSiKpjKwGdXSnsNVUMP5QnDkSyBbvE5oyQP1BygTC6U42b3GM9f9xiSvg sZEya0WZ8qor66obseDJ0crIWf8FkfC7ulwG0T1sIMi7FzHU+Dr/WUHhls9YUw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1779895452; a=rsa-sha256; cv=none; b=LW2MiEkB4JibqR3JqwmFr3Zwa1THGAC1CR3LyCE9MVhAbLm2nlGmta1MI+FUlldlHR4L0g 7qmplILkSJbT9FDJ/D7lg9lApwSd2gG+jcw1sLEUwXBDZ1xY55r+b3arBZxugxpJi1cUDk fBB2mVrgg8tX7jUZKta1fC86AJuRtsZY9ihzi6c4smlmccQyD9y5dj/hqjy/rlBroUCw9w oN3Sz+3ddVBAjxdw1WH7QTkpVmv0M0JGQJWjsJ8mtP2lSMgIE/0rqbFTgJBikYu+PccnZ2 Ze7+chAY+TFWBev1a5Hfz7NbdELnjGSQ6DZbcrWyeSGmAGvNA9KjBz3xvFSzLA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1779895452; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=W8ONOWUf7RuBEodzSxUn8Q8NBCrQXOXpjnBV8ehy8EI=; b=nDSv7VrVBBKR05nR7G458FheBypWL/7mV29v8o3m9OBAFudfaNWwdewAgL8Hxr/x2gCRaY 0p/uUgvocr2si1fH/ZGBC1gaZjW9/eWobBwLgqUCpPwlN3botRGbt+RANA5zvfxdbeea2W S2bOYP1HaCUmNJLAL8i7pXwzfGBK2SeqSKmoyy3XqDXXIi8o0Vzyd0Vge8ONkTEfGQvj15 5Vsz3p9QENs9bBZU4mc5XYT9T1cPfRGpb8ibv1Umf0riVArS3NWjlsJwGDBkXvrEuHSA+u ilQj8S9W2EfHG0bDKvF9tXqU64O61v66LtJ8l0nruanqsrYgOsik7b3hitkKjQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4gQYLh5Q0Bz14g3 for ; Wed, 27 May 2026 15:24:12 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 27108 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 27 May 2026 15:24:12 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Andrew Turner Subject: git: d63a62fb3504 - main - arm64: Add support for per-page flags List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: andrew X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: d63a62fb3504df36457cac5718073a12d10e6cdc Auto-Submitted: auto-generated Date: Wed, 27 May 2026 15:24:12 +0000 Message-Id: <6a170c9c.27108.4d2abced@gitrepo.freebsd.org> The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=d63a62fb3504df36457cac5718073a12d10e6cdc commit d63a62fb3504df36457cac5718073a12d10e6cdc Author: Andrew Turner AuthorDate: 2026-05-18 09:01:19 +0000 Commit: Andrew Turner CommitDate: 2026-05-27 15:22:25 +0000 arm64: Add support for per-page flags We need to store some extra information about a page, e.g. the state of the MTE tags. Add a MD flags field to each page. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D55953 --- sys/arm64/arm64/pmap.c | 1 + sys/arm64/include/pmap.h | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c index fd4232711697..0aa1ee8d5801 100644 --- a/sys/arm64/arm64/pmap.c +++ b/sys/arm64/arm64/pmap.c @@ -1587,6 +1587,7 @@ pmap_page_init(vm_page_t m) TAILQ_INIT(&m->md.pv_list); m->md.pv_memattr = VM_MEMATTR_WRITE_BACK; + m->md.pv_flags = 0; } static void diff --git a/sys/arm64/include/pmap.h b/sys/arm64/include/pmap.h index 1d90e8d472f2..69ae8e5c80b7 100644 --- a/sys/arm64/include/pmap.h +++ b/sys/arm64/include/pmap.h @@ -70,7 +70,8 @@ struct md_page { TAILQ_HEAD(,pv_entry) pv_list; int pv_gen; vm_memattr_t pv_memattr; - uint8_t pv_reserve[3]; + uint8_t pv_flags; + uint8_t pv_reserve[2]; }; enum pmap_stage {