From patchwork Fri Oct 15 10:02:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 1541543 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4HW20N16Q4z9t0k for ; Fri, 15 Oct 2021 21:03:32 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HW20K4Nckz3c71 for ; Fri, 15 Oct 2021 21:03:29 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.235.10; helo=pegase2.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from pegase2.c-s.fr (pegase2.c-s.fr [93.17.235.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HW1zz1DdSz2xX4 for ; Fri, 15 Oct 2021 21:03:08 +1100 (AEDT) Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4HW1zp5Xbmz9sSD; Fri, 15 Oct 2021 12:03:02 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rX1f5kAGc3cB; Fri, 15 Oct 2021 12:03:02 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4HW1zp4l5nz9sSC; Fri, 15 Oct 2021 12:03:02 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 8CC778B796; Fri, 15 Oct 2021 12:03:02 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id ey2xwhUVwRcF; Fri, 15 Oct 2021 12:03:02 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (unknown [192.168.202.255]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 400D48B763; Fri, 15 Oct 2021 12:03:02 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (localhost [127.0.0.1]) by PO20335.IDSI0.si.c-s.fr (8.16.1/8.16.1) with ESMTPS id 19FA2rTD2627031 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 15 Oct 2021 12:02:53 +0200 Received: (from chleroy@localhost) by PO20335.IDSI0.si.c-s.fr (8.16.1/8.16.1/Submit) id 19FA2r762627030; Fri, 15 Oct 2021 12:02:53 +0200 X-Authentication-Warning: PO20335.IDSI0.si.c-s.fr: chleroy set sender to christophe.leroy@csgroup.eu using -f From: Christophe Leroy To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Subject: [PATCH v1 3/8] powerpc/fsl_booke: Take exec flag into account when setting TLBCAMs Date: Fri, 15 Oct 2021 12:02:44 +0200 Message-Id: <5467044e59f27f9fcf709b9661779e3ce5f784f6.1634292136.git.christophe.leroy@csgroup.eu> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1634292164; l=1637; s=20211009; h=from:subject:message-id; bh=VUiN0zfWHKdX8tK6tRjCob92KrEVETuLqxzdrolREd4=; b=xKWOqX0i6+8039f5lceeYrOXTPNwddzaedZk2lrBqegFnNKAfZppoQE07hoGM1FhqREeDvXodj0x tr6trg73BiZiUmPPYP1xJLgUYVkCR4awXRGL6Jr7Lu2e5v2x+hug X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Don't force MAS3_SX and MAS3_UX at all time. Take into account the exec flag. While at it, fix a couple of closeby style problems (indent with space and unnecessary parenthesis), it keeps more readability. Signed-off-by: Christophe Leroy --- arch/powerpc/mm/nohash/fsl_book3e.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/mm/nohash/fsl_book3e.c b/arch/powerpc/mm/nohash/fsl_book3e.c index 03dacbe940e5..fdf1029e62f0 100644 --- a/arch/powerpc/mm/nohash/fsl_book3e.c +++ b/arch/powerpc/mm/nohash/fsl_book3e.c @@ -122,15 +122,17 @@ static void settlbcam(int index, unsigned long virt, phys_addr_t phys, TLBCAM[index].MAS2 |= (flags & _PAGE_GUARDED) ? MAS2_G : 0; TLBCAM[index].MAS2 |= (flags & _PAGE_ENDIAN) ? MAS2_E : 0; - TLBCAM[index].MAS3 = (phys & MAS3_RPN) | MAS3_SX | MAS3_SR; - TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_SW : 0); + TLBCAM[index].MAS3 = (phys & MAS3_RPN) | MAS3_SR; + TLBCAM[index].MAS3 |= (flags & _PAGE_BAP_SX) ? MAS3_SX : 0; + TLBCAM[index].MAS3 |= (flags & _PAGE_RW) ? MAS3_SW : 0; if (mmu_has_feature(MMU_FTR_BIG_PHYS)) TLBCAM[index].MAS7 = (u64)phys >> 32; /* Below is unlikely -- only for large user pages or similar */ if (pte_user(__pte(flags))) { - TLBCAM[index].MAS3 |= MAS3_UX | MAS3_UR; - TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_UW : 0); + TLBCAM[index].MAS3 |= MAS3_UR; + TLBCAM[index].MAS3 |= (flags & _PAGE_EXEC) ? MAS3_UX : 0; + TLBCAM[index].MAS3 |= (flags & _PAGE_RW) ? MAS3_UW : 0; } tlbcam_addrs[index].start = virt;