From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawnguo@kernel.org (Shawn Guo) Date: Sun, 4 Jun 2017 11:42:11 +0800 Subject: [PATCH] ARM: imx_v6_v7_defconfig: Explicitly restore CONFIG_DEBUG_FS In-Reply-To: <49b2579b9ad2e5ce0a7c4b163dffb5a885ac7dae.1495797565.git.leonard.crestez@nxp.com> References: <49b2579b9ad2e5ce0a7c4b163dffb5a885ac7dae.1495797565.git.leonard.crestez@nxp.com> Message-ID: <20170604034210.GB4094@dragon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, May 26, 2017 at 02:26:06PM +0300, Leonard Crestez wrote: > This option was removed by "make savedefconfig" in > commit c5054a98bce4 ("ARM: imx_v6_v7_defconfig: Select SMSC_PHY") > > This happened because CONFIG_DEBUG_FS was implicitly selected by > CONFIG_TREE_RCU_TRACE which defaulted to true because CONFIG_RCU_TRACE > was enabled by default by commit 961518259b3b ("rcu: Enable RCU > tracepoints by default to aid in debugging") > > Recently however CONFIG_RCU_TRACE was completely removed by > commit 6e74c237c410 ("rcu: Remove debugfs tracing") > > The result is that imx_v6_v7_defconfig no longer includes DEBUG_FS on > linux-next since next-20170517. This is bad, DEBUG_FS is extremely > useful for kernel introspection and testing. > > Signed-off-by: Leonard Crestez Applied, thanks.