From nobody Sun Feb 8 10:04:00 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 61FD31BF2B for ; Wed, 24 Jul 2024 04:14:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721794478; cv=none; b=PtGPPV+xi7wq2pnrYiIm2BiYPgPnhNHvHCoImApXBplCxjobjn4T16WnRROvTxi9rh+RBH64C21mfrYtdCrQRGJprD4e9QqAEXWIsbquQLQCpg5Kw5zJ3Wh8kfOBZxQ16cztvdtqkUUPwZv7EzC6yz2IBU5S5EZjC7leVgYVGwo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721794478; c=relaxed/simple; bh=QefLlVm59dq4qd36D3pwzG8AokcDsrpTSvkmS3A4RwY=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=CzQjYjQ7UjTMevKm5PTkHgM2UPzqHVXHdmz/XEiSvQErzngXF1GKlWvVMORGnLhZkwsHcXo4CJ0007XduLwbTYzf3tkT+we9TGeZPBKq0Mj8GEYi4xCdOSzQbL69X3wWcExjZdD0ILLHKWdBI807e/WoqfHp/LlpporRXns3cHw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E6C82106F; Tue, 23 Jul 2024 21:15:00 -0700 (PDT) Received: from a077893.arm.com (unknown [10.163.54.139]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id EEFA73F5A1; Tue, 23 Jul 2024 21:14:32 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Ryan Roberts , linux-kernel@vger.kernel.org Subject: [PATCH] arm64/mm: Drop TCR_SMP_FLAGS Date: Wed, 24 Jul 2024 09:44:28 +0530 Message-Id: <20240724041428.573748-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Earlier TCR_SMP_FLAGS gets conditionally set as TCR_SHARED with CONFIG_SMP. Currently CONFIG_SMP is always enabled on arm64 platforms, hence drop this indirection via TCR_SMP_FLAGS and instead always directly use TCR_SHARED. Cc: Catalin Marinas Cc: Will Deacon Cc: Ryan Roberts Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual Reviewed-by: Ryan Roberts --- arch/arm64/mm/proc.S | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index f4bc6c5bac06..8abdc7fed321 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -36,8 +36,6 @@ #define TCR_KASLR_FLAGS 0 #endif =20 -#define TCR_SMP_FLAGS TCR_SHARED - /* PTWs cacheable, inner/outer WBWA */ #define TCR_CACHE_FLAGS TCR_IRGN_WBWA | TCR_ORGN_WBWA =20 @@ -469,7 +467,7 @@ SYM_FUNC_START(__cpu_setup) tcr .req x16 mov_q mair, MAIR_EL1_SET mov_q tcr, TCR_T0SZ(IDMAP_VA_BITS) | TCR_T1SZ(VA_BITS_MIN) | TCR_CACHE_FL= AGS | \ - TCR_SMP_FLAGS | TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \ + TCR_SHARED | TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \ TCR_TBI0 | TCR_A1 | TCR_KASAN_SW_FLAGS | TCR_MTE_FLAGS =20 tcr_clear_errata_bits tcr, x9, x5 --=20 2.30.2