Messages in this thread | | | Subject | Re: [PATCH] mmc: card: Don't show eMMC RPMB and BOOT areas in /proc/partitions | From | Shawn Lin <> | Date | Tue, 27 Feb 2018 21:51:05 +0800 |
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在 2018/2/27 19:33, Harish Jenny K N 写道: > 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> > --- > 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;
I would prefer using GENHD_FL_HIDDEN instead of adding all these two flags.
> > /* > * As discussed on lkml, GENHD_FL_REMOVABLE should: >
-- Best Regards Shawn Lin
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