diff options
Diffstat (limited to 'target/linux/generic/pending-5.10/920-mangle_bootargs.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/920-mangle_bootargs.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/target/linux/generic/pending-5.10/920-mangle_bootargs.patch b/target/linux/generic/pending-5.10/920-mangle_bootargs.patch deleted file mode 100644 index 390152078f..0000000000 --- a/target/linux/generic/pending-5.10/920-mangle_bootargs.patch +++ /dev/null @@ -1,71 +0,0 @@ -From: Imre Kaloz <kaloz@openwrt.org> -Subject: init: add CONFIG_MANGLE_BOOTARGS and disable it by default - -Enabling this option renames the bootloader supplied root= -and rootfstype= variables, which might have to be know but -would break the automatisms OpenWrt uses. - -Signed-off-by: Imre Kaloz <kaloz@openwrt.org> ---- - init/Kconfig | 9 +++++++++ - init/main.c | 24 ++++++++++++++++++++++++ - 2 files changed, 33 insertions(+) - ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1817,6 +1817,15 @@ 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 ---- a/init/main.c -+++ b/init/main.c -@@ -608,6 +608,29 @@ 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 -@@ -869,6 +892,7 @@ asmlinkage __visible void __init __no_sa - pr_notice("%s", linux_banner); - early_security_init(); - setup_arch(&command_line); -+ mangle_bootargs(command_line); - setup_boot_config(command_line); - setup_command_line(command_line); - setup_nr_cpu_ids(); |