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authorDmitri Vorobiev <dmitri.vorobiev@movial.com>2009-11-21 15:34:41 -0500
committerRalf Baechle <ralf@linux-mips.org>2009-12-16 20:57:35 -0500
commit6acc7d485c24c00e111c61b2e6dff9180faebcae (patch)
tree7c7519153775b20a87ff1a4745d16b0f1369861a /arch/mips/configs/powertv_defconfig
parentde4148f3ef54b644a181ad75a6fb4b373f2b01f0 (diff)
MIPS: Fix and enhance built-in kernel command line
Currently, MIPS kernels silently overwrite kernel command-line parameters hardcoded in CONFIG_CMDLINE by the ones received from firmware. Therefore, using firmware remains the only reliable method to transfer the command-line parameters, which is not always desirable or convenient, and the CONFIG_CMDLINE option is thereby effectively rendered useless. This patch fixes the problem described above and introduces a more flexible scheme of handling the kernel command line, in a manner identical to what is currently used for x86. The default behavior, i.e. when CONFIG_CMDLINE_BOOL is not defined, retains the existing semantics, and firmware command-line arguments override the hardcoded ones. [Ralf: I fixed up all the defconfig files so the stay unaffected by this change.] Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/689/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/configs/powertv_defconfig')
-rw-r--r--arch/mips/configs/powertv_defconfig2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/configs/powertv_defconfig b/arch/mips/configs/powertv_defconfig
index 86c8007c1743..7291633d81cc 100644
--- a/arch/mips/configs/powertv_defconfig
+++ b/arch/mips/configs/powertv_defconfig
@@ -1418,7 +1418,9 @@ CONFIG_BRANCH_PROFILE_NONE=y
1418CONFIG_HAVE_ARCH_KGDB=y 1418CONFIG_HAVE_ARCH_KGDB=y
1419# CONFIG_KGDB is not set 1419# CONFIG_KGDB is not set
1420# CONFIG_KMEMCHECK is not set 1420# CONFIG_KMEMCHECK is not set
1421CONFIG_CMDLINE_BOOL=y
1421CONFIG_CMDLINE="rw dhash_entries=1024 ihash_entries=1024 ip=10.0.1.3:10.0.1.1:10.0.1.1:255.255.255.0:zeus:eth0: root=/dev/nfs nfsroot=/nfsroot/cramfs,wsize=512,rsize=512,tcp nokgdb console=ttyUSB0,115200 memsize=252M" 1422CONFIG_CMDLINE="rw dhash_entries=1024 ihash_entries=1024 ip=10.0.1.3:10.0.1.1:10.0.1.1:255.255.255.0:zeus:eth0: root=/dev/nfs nfsroot=/nfsroot/cramfs,wsize=512,rsize=512,tcp nokgdb console=ttyUSB0,115200 memsize=252M"
1423# CONFIG_CMDLINE_OVERRIDE is not set
1422# CONFIG_DEBUG_STACK_USAGE is not set 1424# CONFIG_DEBUG_STACK_USAGE is not set
1423# CONFIG_RUNTIME_DEBUG is not set 1425# CONFIG_RUNTIME_DEBUG is not set
1424 1426