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From: Andrew Morton <akpm@linux-foundation.org>
To: akpm@linux-foundation.org, corbet@lwn.net,
	gregkh@linuxfoundation.org, jeyu@kernel.org, linux-mm@kvack.org,
	linux@rasmusvillemoes.dk, mcgrof@kernel.org,
	mm-commits@vger.kernel.org, torvalds@linux-foundation.org
Subject: [patch 12/13] docs: admin-guide: update description for kernel.modprobe sysctl
Date: Fri, 14 May 2021 17:27:36 -0700	[thread overview]
Message-ID: <20210515002736.PhTtE5HrL%akpm@linux-foundation.org> (raw)
In-Reply-To: <20210514172634.9018621171d5334ceee97e95@linux-foundation.org>

From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: docs: admin-guide: update description for kernel.modprobe sysctl

When I added CONFIG_MODPROBE_PATH, I neglected to update Documentation/. 
It's still true that this defaults to /sbin/modprobe, but now via a level
of indirection.  So document that the kernel might have been built with
something other than /sbin/modprobe as the initial value.

Link: https://lkml.kernel.org/r/20210420125324.1246826-1-linux@rasmusvillemoes.dk
Fixes: 17652f4240f7a ("modules: add CONFIG_MODPROBE_PATH")
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/admin-guide/sysctl/kernel.rst |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/Documentation/admin-guide/sysctl/kernel.rst~docs-admin-guide-update-description-for-kernelmodprobe-sysctl
+++ a/Documentation/admin-guide/sysctl/kernel.rst
@@ -483,10 +483,11 @@ modprobe
 ========
 
 The full path to the usermode helper for autoloading kernel modules,
-by default "/sbin/modprobe".  This binary is executed when the kernel
-requests a module.  For example, if userspace passes an unknown
-filesystem type to mount(), then the kernel will automatically request
-the corresponding filesystem module by executing this usermode helper.
+by default ``CONFIG_MODPROBE_PATH``, which in turn defaults to
+"/sbin/modprobe".  This binary is executed when the kernel requests a
+module.  For example, if userspace passes an unknown filesystem type
+to mount(), then the kernel will automatically request the
+corresponding filesystem module by executing this usermode helper.
 This usermode helper should insert the needed module into the kernel.
 
 This sysctl only affects module autoloading.  It has no effect on the
_

  parent reply	other threads:[~2021-05-15  0:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-15  0:26 incoming Andrew Morton
2021-05-15  0:27 ` [patch 01/13] mm/hugetlb: fix F_SEAL_FUTURE_WRITE Andrew Morton
2021-05-15  0:27 ` [patch 02/13] mm/hugetlb: fix cow where page writtable in child Andrew Morton
2021-05-15  0:27 ` [patch 03/13] mm, slub: move slub_debug static key enabling outside slab_mutex Andrew Morton
2021-05-15  0:27 ` [patch 04/13] kernel/resource: fix return code check in __request_free_mem_region Andrew Morton
2021-05-15  0:27 ` [patch 05/13] squashfs: fix divide error in calculate_skip() Andrew Morton
2021-05-15  0:27 ` [patch 06/13] userfaultfd: release page in error path to avoid BUG_ON Andrew Morton
2021-05-15  0:27 ` [patch 07/13] ksm: revert "use GET_KSM_PAGE_NOLOCK to get ksm page in remove_rmap_item_from_tree()" Andrew Morton
2021-05-15  0:27 ` [patch 08/13] mm: fix struct page layout on 32-bit systems Andrew Morton
2021-05-15  0:27 ` [patch 09/13] kasan: fix unit tests with CONFIG_UBSAN_LOCAL_BOUNDS enabled Andrew Morton
2021-05-15  0:27 ` [patch 10/13] mm/filemap: fix readahead return types Andrew Morton
2021-05-15  0:27 ` [patch 11/13] hfsplus: prevent corruption in shrinking truncate Andrew Morton
2021-05-15  0:27 ` Andrew Morton [this message]
2021-05-15  0:27 ` [patch 13/13] mm/ioremap: fix iomap_max_page_shift Andrew Morton

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