From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 71E99C9830E for ; Thu, 24 Sep 2026 09:52:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:Cc:To:From: Subject:Message-ID:Mime-Version:Date:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=Teg2xf6fWRrl/zBr5cBFx6F6XwrP4vrM+fvmVBE3SQE=; b=CUjHAvtcpzou9re4xx6DN5pB/+ NYOkoF/f02fZaHdqH3fzIRdbFWkZaYEZoelO6k/E6UhXLUoOrOpigL6f5+fV5mxJPK2EhwC76K7di JQkZFduULTNPXAsMYIUeesAV3xF4EefnoYBBoK1e+8oVbQlzXxUZgr2gWnS1Fw3ikuC7hu9KWuWoO huwXUgOP0rkEbMSEYsmtJnQwGUi3F68N6ij5FUDcL8l2i2Ex6XOibXuvUiHJo7X+Xc8EzXqT9/S+h JzwqYRu+JjthvCELRqgXdNU1GZ9h7kvPsWR9ELdP12tLKBGZvjymaxIns4gg2ZENg0WOk9QQ7XBlr 5d7rQBFQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9g7a-0000000AdgA-2FQb; Thu, 24 Sep 2026 09:52:06 +0000 Received: from mail-wr1-x447.google.com ([2a00:1450:4864:20::447]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9g7Y-0000000AdfE-02m3 for linux-arm-kernel@lists.infradead.org; Thu, 24 Sep 2026 09:52:05 +0000 Received: by mail-wr1-x447.google.com with SMTP id ffacd0b85a97d-4870142fd5cso824972f8f.0 for ; Thu, 24 Sep 2026 02:52:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1790243522; x=1790848322; darn=lists.infradead.org; h=content-type:cc:to:from:subject:message-id:mime-version:date:from :to:cc:subject:date:message-id:reply-to:content-type; bh=Teg2xf6fWRrl/zBr5cBFx6F6XwrP4vrM+fvmVBE3SQE=; b=vaLA1JwFksUImDKboP88Hqf6gfrBxmtaWIAQLSAXGwaQo1MWm0inVv+QwSnLFo+fZK qnQ/Ruyz9MbTCqX/IYlwVoNXr4H0+/LwBFeAKcBjZRlSAzzq7+kgC1r05ZefkSh273nM JfmKiWkIrgJllUzaOoHTm8FSnt6JwosQnoJ5+aUoweLABN7X4CLLfAqW5KGNr00QK2I6 5OMqkxPiL0SUBcFuKUnendcUtrql3LAEMHMwfYotUdOjtfFIA5yCW9/OG24nAHl2mWQZ X8UKYcWqMSj777Papl9Yn/s7sY5/kqDQjbsjuixBjuNRBwfYqyNl68t14YxTHBHUzAij hmWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790243522; x=1790848322; h=content-type:cc:to:from:subject:message-id:mime-version:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Teg2xf6fWRrl/zBr5cBFx6F6XwrP4vrM+fvmVBE3SQE=; b=RS3ok/h8IEWqUMtChzrefY7qfGDwnRFiaPkU/EXcYm3xkHqNrVYEV/wYooFx7aN+Ih dENUUwbpLJ9X1yBdOv1+vYYRYUJq7tlBYlqAOEvCRa7jMGelF7v/waS2N34jQJzQ6zQY D9HgTC7ZKVHR1WxFlLfx0yiNy/1f0pFgrD+8DJ9EEDo1wJYldPNfvyBUIMr5tAZgx0W0 98Cih3xU9tuTZFPq6QPXyuEUEzal6dFacIHjvnNDm2GefKX4rBQAn0aPv5FcD1nX+cUc js0UgSwNq2CifkZ8Wlo5Mu7/pQM0EaYAINBil6lZwMj4gg9iSdZGc5kqOeZrYyfYvExq xA+A== X-Forwarded-Encrypted: i=1; AKwUvBwGmim/jq1iW7HhSU+e//q68TEQW4e6WQ5rAi1vCFVak0knRwdZH5Ob22biUZb7aGb+Ekbp0z1Mh4iUUkmSLXPV@lists.infradead.org X-Gm-Message-State: AFuF++nCM5E4J3Ewmb8WqDP6L5Ug4V5bi4UYTSkM2dN0HssTeaUcPrqi FGQRs8IGaRArv16IKc0kIgHEB92GgSxDieAboSVC2rI28ZHKRwA7zspMYPorrdvlTOYh5smnfsP BAjV4EpVk53NbHM3wcrLzhw== X-Received: from wrzq8.prod.google.com ([2002:a05:6000:1368:b0:488:7479:3b57]) (user=vdonnefort job=prod-delivery.src-stubby-dispatcher) by 2002:a5d:64c7:0:b0:487:765:46bf with SMTP id ffacd0b85a97d-4887171d2aemr2945649f8f.19.1790243521432; Thu, 24 Sep 2026 02:52:01 -0700 (PDT) Date: Thu, 24 Sep 2026 10:51:54 +0100 Mime-Version: 1.0 X-Mailer: git-send-email 2.56.0.rc1.310.g51773c2048-goog Message-ID: <20260924095154.807726-1-vdonnefort@google.com> Subject: [PATCH] KVM: arm64: Remove PAGE_SIZE alignment for hyp event ELF sections From: Vincent Donnefort To: maz@kernel.org, oupton@kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, kernel-team@android.com, fuad.tabba@linux.dev, Vincent Donnefort Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260924_025204_059780_2D9AA4D7 X-CRM114-Status: GOOD ( 12.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org .hyp.event_ids is mapped as part of .hyp.rodata. As a consequence this section does not need any page-alignment. Remove it to save a page worth of memory. Fixes: 0a90fbc8a170 ("KVM: arm64: Add event support to the nVHE/pKVM hyp and trace remote") Signed-off-by: Vincent Donnefort --- arch/arm64/kernel/vmlinux.lds.S | 2 +- arch/arm64/kvm/hyp/nvhe/hyp.lds.S | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index af1d72020976..c0b090db8be4 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -15,7 +15,7 @@ #ifdef CONFIG_NVHE_EL2_TRACING #define HYPERVISOR_EVENT_IDS \ - . = ALIGN(PAGE_SIZE); \ + . = ALIGN(SZ_8); \ __hyp_event_ids_start = .; \ *(HYP_SECTION_NAME(.event_ids)) \ __hyp_event_ids_end = .; diff --git a/arch/arm64/kvm/hyp/nvhe/hyp.lds.S b/arch/arm64/kvm/hyp/nvhe/hyp.lds.S index 7a02837203d1..89222425359a 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp.lds.S +++ b/arch/arm64/kvm/hyp/nvhe/hyp.lds.S @@ -17,7 +17,6 @@ SECTIONS { HYP_SECTION(.data..ro_after_init) HYP_SECTION(.rodata) #ifdef CONFIG_NVHE_EL2_TRACING - . = ALIGN(PAGE_SIZE); BEGIN_HYP_SECTION(.event_ids) *(SORT(.hyp.event_ids.*)) END_HYP_SECTION base-commit: 93f51579e7df248780214094418f205253383cc5 -- 2.56.0.rc1.310.g51773c2048-goog