From nobody Thu Apr 16 15:12:25 2026 X-Original-To: dev-commits-src-all@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 4fxM2205m3z6Zpw9 for ; Thu, 16 Apr 2026 15:12:26 +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 "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fxM214YTFz4Mwq for ; Thu, 16 Apr 2026 15:12:25 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776352345; 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=xSds+pmKSIcdtgp3qm71e5+gHoGw9TiV2nE2Ippmaz0=; b=ZnnalTmn5AMa6+jzpiYvqqRTJzTUdI+l+GL6+AgtZvaJ9cdVOQQwpwKxrJy4pzHH5WTYIV uG+MmiB/7G9539TeT/uyj3fDA1w2jmtyND3z31+bE0DH5U6zKWUHb4Vs+JF7mmUAZV0k4L DO1mOxoozrcOrn8VjKdg5Pd+UCG/CW1azdnKh5NcaUP0gufkgkvcGGRwOLiqguEUOO0DLx ZaBIvXUwcdAm28MkP0G6aGW0x9/nfgf+qTZykq514Qhg6zVhEHJOUsLPtiK2qARLv6sMCF qBOYyzcJv5eEsaX/6PICVod38g7ldSRZaD2cJU9AeYhIdqwGbONkFcIXFLRNOw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776352345; a=rsa-sha256; cv=none; b=rnIITKjZ906Z2Lp7EtOG/MlEPa9UPKPiuNxmsbjnluFhk2RSiZ5s5fxqtiTVJsdKSVxnLL I5bxchlxqAD0KKenDichonSj033uIUFn3fmvqJw+3uC2T0IAYe3nYBrHrGv3P1/Ap4DrJl PNFWfYU1uSDH8iCMyN/TcpKYZXZ8UCK7obbmSR2N729Mj8eE6t5oe7zL5hTsBeugNNVoKN WEfKQw1hN8rW/6ORYbKWcTO3MLLlKClF+FuuCkXvre/EqoR/+Bjc0Jp7T72pD4GIKPLCR9 8vWr42g1/laZfjjDrkLN539OObWHy1WwBkqS11xckpvTiVqgtmC5/cobxH34OQ== 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=1776352345; 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=xSds+pmKSIcdtgp3qm71e5+gHoGw9TiV2nE2Ippmaz0=; b=yeKG7yyEtIOQL1DFmGtnKHDFvKfwg0FT1ItJQKSWTstxm6fl+tHZWr5GTDl/ikr5EVLzdb dp1fT4rpUzS2SUIRz+AJ/w9Fv7iBOWiNhR/kKhq4knmyAUqw3+WhD6EMNrTg/Hq+i85nP1 PK1xHSWsHNuLFnl7PxCR72UVkJ3e7dUbdq5woRSABHvFMEwWJKG+GAdRuaGVtZRq/sjUAp kl51X1JkytDbOdILzLDzCtP4niz2tDRt1vSMTVd0jhsXevmFICSxScx1WhXLouinhqwI2M lR4kqrZSjSAq9FR7gcG1hFyid7JfaBJ2kJuzoUsz5pHvsolq0KGosN/qkY61TQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fxM213Skvz1ByS for ; Thu, 16 Apr 2026 15:12:25 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 1cb7b by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 16 Apr 2026 15:12:25 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Colin Percival Subject: git: ce4eff190473 - stable/14 - Xen: Detect Extended Destination ID support List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: cperciva X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: ce4eff190473b582ab987dcae4ec17e5750ed5c5 Auto-Submitted: auto-generated Date: Thu, 16 Apr 2026 15:12:25 +0000 Message-Id: <69e0fc59.1cb7b.5a72a3a6@gitrepo.freebsd.org> The branch stable/14 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=ce4eff190473b582ab987dcae4ec17e5750ed5c5 commit ce4eff190473b582ab987dcae4ec17e5750ed5c5 Author: Colin Percival AuthorDate: 2026-02-22 04:09:00 +0000 Commit: Colin Percival CommitDate: 2026-04-16 15:11:55 +0000 Xen: Detect Extended Destination ID support Xen advertises support for the Extended Destination ID standard via bit 5 (aka XEN_HVM_CPUID_EXT_DEST_ID) of the value returned in the EAX register when Xen features are queried via CPUID. MFC after: 3 weeks Sponsored by: Amazon Differential Revision: https://reviews.freebsd.org/D55429 (cherry picked from commit 9b18ba2c16a0750e6c78f348845368284ef1a704) --- sys/x86/x86/local_apic.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sys/x86/x86/local_apic.c b/sys/x86/x86/local_apic.c index d54bfbbd43c7..d073dcd1c98a 100644 --- a/sys/x86/x86/local_apic.c +++ b/sys/x86/x86/local_apic.c @@ -73,6 +73,7 @@ #include #include #include +#include #ifdef DDB #include @@ -1939,6 +1940,11 @@ detect_extended_dest_id(void) /* Check if we support extended destination IDs. */ switch (vm_guest) { + case VM_GUEST_XEN: + cpuid_count(hv_base + 4, 0, regs); + if (regs[0] & XEN_HVM_CPUID_EXT_DEST_ID) + apic_ext_dest_id = 1; + break; case VM_GUEST_KVM: kvm_cpuid_get_features(regs); if (regs[0] & KVM_FEATURE_MSI_EXT_DEST_ID)