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[maksym.kokhan@globallogic.com: add strlcat to prom_init_check.sh whitelist] Cc: Daniel Walker Cc: Daniel Walker Cc: xe-linux-external@cisco.com Signed-off-by: Daniel Walker Signed-off-by: Maksym Kokhan --- arch/powerpc/Kconfig | 23 +---------------------- arch/powerpc/kernel/prom.c | 4 ++++ arch/powerpc/kernel/prom_init.c | 8 ++++---- arch/powerpc/kernel/prom_init_check.sh | 2 +- 4 files changed, 10 insertions(+), 27 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8be31261aec8..6321b2a0b87b 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -172,6 +172,7 @@ 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 @@ -777,28 +778,6 @@ 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.c b/arch/powerpc/kernel/prom.c index fe758cedb93f..d78b1d6fe1c8 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include @@ -716,6 +717,9 @@ void __init early_init_devtree(void *params) */ of_scan_flat_dt(early_init_dt_scan_chosen_ppc, boot_command_line); + /* append and prepend any arguments built into the kernel. */ + cmdline_add_builtin(boot_command_line, NULL, COMMAND_LINE_SIZE); + /* Scan memory nodes and rebuild MEMBLOCKs */ of_scan_flat_dt(early_init_dt_scan_root, NULL); of_scan_flat_dt(early_init_dt_scan_memory_ppc, NULL); diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index f33ff4163a51..41393da56181 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -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(prom_cmd_line, NULL, sizeof(prom_cmd_line)); + 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." -- 2.14.1