From: Ulf Hansson <ulf.hansson@linaro.org>
To: Harish Jenny K N <harish_kandiga@mentor.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Shawn Lin <shawn.lin@rock-chips.com>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mmc: card: Don't show eMMC RPMB and BOOT areas in /proc/partitions
Date: Wed, 4 Apr 2018 14:46:21 +0200 [thread overview]
Message-ID: <CAPDyKFrkp0bMPEz==CHO8BzttPQ5sV_S6O_dJOvVkzWnqNV3vw@mail.gmail.com> (raw)
In-Reply-To: <1519731229-19141-1-git-send-email-harish_kandiga@mentor.com>
On 27 February 2018 at 12:33, Harish Jenny K N
<harish_kandiga@mentor.com> wrote:
> From: Andrew Gabbasov <andrew_gabbasov@mentor.com>
>
> 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 <andrew_gabbasov@mentor.com>
> Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
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
>
prev parent reply other threads:[~2018-04-04 12:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-27 11:33 [PATCH] mmc: card: Don't show eMMC RPMB and BOOT areas in /proc/partitions Harish Jenny K N
2018-02-27 13:51 ` Shawn Lin
2018-02-27 14:56 ` Alex Lemberg
2018-02-27 14:58 ` Alex Lemberg
2018-03-01 5:34 ` Harish Jenny K N
2018-03-02 12:53 ` Linus Walleij
2018-03-06 12:47 ` Harish Jenny K N
2018-03-08 20:36 ` Alex Lemberg
2018-03-10 11:59 ` Linus Walleij
2018-03-12 4:44 ` Harish Jenny K N
2018-04-04 12:46 ` Ulf Hansson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAPDyKFrkp0bMPEz==CHO8BzttPQ5sV_S6O_dJOvVkzWnqNV3vw@mail.gmail.com' \
--to=ulf.hansson@linaro.org \
--cc=adrian.hunter@intel.com \
--cc=harish_kandiga@mentor.com \
--cc=linus.walleij@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=shawn.lin@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).