This updates the powerpc code to use the CONFIG_GENERIC_CMDLINE option. [maksym.kok...@globallogic.com: add strlcat to prom_init_check.sh whitelist] Cc: Daniel Walker <dwal...@fifo99.com> Cc: Daniel Walker <danie...@cisco.com> Cc: xe-linux-exter...@cisco.com Signed-off-by: Daniel Walker <danie...@cisco.com> Signed-off-by: Maksym Kokhan <maksym.kok...@globallogic.com> --- arch/powerpc/Kconfig | 23 +---------------------- arch/powerpc/kernel/prom_init.c | 8 ++++---- arch/powerpc/kernel/prom_init_check.sh | 2 +- 3 files changed, 6 insertions(+), 27 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index def41a06377b..385120ff0236 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -173,6 +173,7 @@ config PPC select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER select GENERIC_TIME_VSYSCALL + select GENERIC_CMDLINE select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_KGDB @@ -780,28 +781,6 @@ config PPC_DENORMALISATION Add support for handling denormalisation of single precision values. Useful for bare metal only. If unsure say Y here. -config CMDLINE_BOOL - bool "Default bootloader kernel arguments" - -config CMDLINE - string "Initial kernel command string" - depends on CMDLINE_BOOL - default "console=ttyS0,9600 console=tty0 root=/dev/sda2" - help - On some platforms, there is currently no way for the boot loader to - pass arguments to the kernel. For these platforms, you can supply - some command-line options at build time by entering them here. In - most cases you will need to specify the root device here. - -config CMDLINE_FORCE - bool "Always use the default kernel command string" - depends on CMDLINE_BOOL - help - Always use the default kernel command string, even if the boot - loader passes other arguments to the kernel. - This is useful if you cannot or don't want to change the - command-line options your boot loader passes to the kernel. - config EXTRA_TARGETS string "Additional default image types" help diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index f33ff4163a51..e8e9fca22470 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -30,6 +30,7 @@ #include <linux/delay.h> #include <linux/initrd.h> #include <linux/bitops.h> +#include <linux/cmdline.h> #include <asm/prom.h> #include <asm/rtas.h> #include <asm/page.h> @@ -637,11 +638,10 @@ static void __init early_cmdline_parse(void) p = prom_cmd_line; if ((long)prom.chosen > 0) l = prom_getprop(prom.chosen, "bootargs", p, COMMAND_LINE_SIZE-1); -#ifdef CONFIG_CMDLINE + if (l <= 0 || p[0] == '\0') /* dbl check */ - strlcpy(prom_cmd_line, - CONFIG_CMDLINE, sizeof(prom_cmd_line)); -#endif /* CONFIG_CMDLINE */ + cmdline_add_builtin_section(prom_cmd_line, NULL, sizeof(prom_cmd_line), __prombss); + prom_printf("command line: %s\n", prom_cmd_line); #ifdef CONFIG_PPC64 diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh index 667df97d2595..ab2acc8d8b5a 100644 --- a/arch/powerpc/kernel/prom_init_check.sh +++ b/arch/powerpc/kernel/prom_init_check.sh @@ -18,7 +18,7 @@ WHITELIST="add_reloc_offset __bss_start __bss_stop copy_and_flush _end enter_prom memcpy memset reloc_offset __secondary_hold -__secondary_hold_acknowledge __secondary_hold_spinloop __start +__secondary_hold_acknowledge __secondary_hold_spinloop __start strlcat strcmp strcpy strlcpy strlen strncmp strstr kstrtobool logo_linux_clut224 reloc_got2 kernstart_addr memstart_addr linux_banner _stext __prom_init_toc_start __prom_init_toc_end btext_setup_display TOC." -- 2.19.1