From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751787AbeDDMqY (ORCPT ); Wed, 4 Apr 2018 08:46:24 -0400 Received: from mail-it0-f67.google.com ([209.85.214.67]:54449 "EHLO mail-it0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751556AbeDDMqW (ORCPT ); Wed, 4 Apr 2018 08:46:22 -0400 X-Google-Smtp-Source: AIpwx4/RQp0QYgmBfoHyG76Lj79d43pfsmgdhu9daktfDdNAkhs0DtNjf+BslFf1wfVNNTs3qjSxXtNcAuUq8oMnEv8= MIME-Version: 1.0 In-Reply-To: <1519731229-19141-1-git-send-email-harish_kandiga@mentor.com> References: <1519731229-19141-1-git-send-email-harish_kandiga@mentor.com> From: Ulf Hansson Date: Wed, 4 Apr 2018 14:46:21 +0200 Message-ID: Subject: Re: [PATCH] mmc: card: Don't show eMMC RPMB and BOOT areas in /proc/partitions To: Harish Jenny K N Cc: Linus Walleij , Adrian Hunter , Shawn Lin , "linux-mmc@vger.kernel.org" , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 27 February 2018 at 12:33, Harish Jenny K N wrote: > From: Andrew Gabbasov > > Since RPMB area is accessible via special ioctl only and boot areas > are unlikely to contain any partitions, exclude them all from listing > in /proc/partitions. This will hide them from various user-level > software (e.g. fdisk), thus avoiding unnecessary access attempts. > > Signed-off-by: Andrew Gabbasov > Signed-off-by: Harish Jenny K N Queued up for 3.18, thanks! Kind regards Uffe > --- > drivers/mmc/core/block.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c > index 20135a5..376e47e 100644 > --- a/drivers/mmc/core/block.c > +++ b/drivers/mmc/core/block.c > @@ -2341,7 +2341,8 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, > set_disk_ro(md->disk, md->read_only || default_ro); > md->disk->flags = GENHD_FL_EXT_DEVT; > if (area_type & (MMC_BLK_DATA_AREA_RPMB | MMC_BLK_DATA_AREA_BOOT)) > - md->disk->flags |= GENHD_FL_NO_PART_SCAN; > + md->disk->flags |= GENHD_FL_NO_PART_SCAN > + | GENHD_FL_SUPPRESS_PARTITION_INFO; > > /* > * As discussed on lkml, GENHD_FL_REMOVABLE should: > -- > 1.9.1 >