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| author | Jonas Gorski <jogo@openwrt.org> | 2015-06-22 12:27:59 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2015-06-22 12:27:59 +0000 |
| commit | a0c49ef46f7caf5eb02c635d446218201008ecff (patch) | |
| tree | a94180d50839c1587dfe845e8faf16405fab78ff /target/linux/generic/patches-4.1/995-mangle_bootargs.patch | |
| parent | 518ab154e059c9f39684f8c78159c9caf333716b (diff) | |
| download | mtk-20170518-a0c49ef46f7caf5eb02c635d446218201008ecff.zip mtk-20170518-a0c49ef46f7caf5eb02c635d446218201008ecff.tar.gz mtk-20170518-a0c49ef46f7caf5eb02c635d446218201008ecff.tar.bz2 | |
generic: add linux 4.1 support
Boot tested: http://pastebin.com/L6aAb9xj
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[jogo:
update to 4.1 final
add patches added since submission
delete patches applied in later rcs
restore commit messages in 220-gc-sections and 304-mips_disable_fpu
fix 050-backport_netfilter_rtcache to match new API
update inlined dma ops with upstream changes
add missing config symbols
enabled CONFIG_MULTIUSER
update kmod defintions for 4.1
]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 46112
Diffstat (limited to 'target/linux/generic/patches-4.1/995-mangle_bootargs.patch')
| -rw-r--r-- | target/linux/generic/patches-4.1/995-mangle_bootargs.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.1/995-mangle_bootargs.patch b/target/linux/generic/patches-4.1/995-mangle_bootargs.patch new file mode 100644 index 0000000..1062a69 --- /dev/null +++ b/target/linux/generic/patches-4.1/995-mangle_bootargs.patch @@ -0,0 +1,58 @@ +--- a/init/main.c ++++ b/init/main.c +@@ -352,6 +352,29 @@ static inline void setup_nr_cpu_ids(void + static inline void smp_prepare_cpus(unsigned int maxcpus) { } + #endif + ++#ifdef CONFIG_MANGLE_BOOTARGS ++static void __init mangle_bootargs(char *command_line) ++{ ++ char *rootdev; ++ char *rootfs; ++ ++ rootdev = strstr(command_line, "root=/dev/mtdblock"); ++ ++ if (rootdev) ++ strncpy(rootdev, "mangled_rootblock=", 18); ++ ++ rootfs = strstr(command_line, "rootfstype"); ++ ++ if (rootfs) ++ strncpy(rootfs, "mangled_fs", 10); ++ ++} ++#else ++static void __init mangle_bootargs(char *command_line) ++{ ++} ++#endif ++ + /* + * We need to store the untouched command line for future reference. + * We also need to store the touched command line since the parameter +@@ -522,6 +545,7 @@ asmlinkage __visible void __init start_k + pr_notice("%s", linux_banner); + setup_arch(&command_line); + mm_init_cpumask(&init_mm); ++ mangle_bootargs(command_line); + setup_command_line(command_line); + setup_nr_cpu_ids(); + setup_per_cpu_areas(); +--- a/init/Kconfig ++++ b/init/Kconfig +@@ -1607,6 +1607,15 @@ config EMBEDDED + an embedded system so certain expert options are available + for configuration. + ++config MANGLE_BOOTARGS ++ bool "Rename offending bootargs" ++ depends on EXPERT ++ help ++ Sometimes the bootloader passed bogus root= and rootfstype= ++ parameters to the kernel, and while you want to ignore them, ++ you need to know the values f.e. to support dual firmware ++ layouts on the flash. ++ + config HAVE_PERF_EVENTS + bool + help |