Removing code to pass acpi_rsdp because this patch series will support efi runtime, it's not necessary any more. EFI initialization code will take the functionality. Signed-off-by: Dave Young --- include/x86/x86-linux.h | 3 ++- kexec/arch/i386/crashdump-x86.c | 35 ----------------------------------- kexec/arch/i386/x86-linux-setup.c | 8 ++++++++ 3 files changed, 10 insertions(+), 36 deletions(-) --- kexec-tools.orig/kexec/arch/i386/crashdump-x86.c +++ kexec-tools/kexec/arch/i386/crashdump-x86.c @@ -848,40 +848,6 @@ static int cmdline_add_memmap_acpi(char return 0; } -/* Appends 'acpi_rsdp=' commandline for efi boot crash dump */ -static void cmdline_add_efi(char *cmdline) -{ - FILE *fp; - int cmdlen, len; - char line[MAX_LINE], *s; - const char *acpis = " acpi_rsdp="; - - fp = fopen("/sys/firmware/efi/systab", "r"); - if (!fp) - return; - - while(fgets(line, sizeof(line), fp) != 0) { - /* ACPI20= always goes before ACPI= */ - if ((strstr(line, "ACPI20=")) || (strstr(line, "ACPI="))) { - line[strlen(line) - 1] = '\0'; - s = strchr(line, '='); - s += 1; - len = strlen(s) + strlen(acpis); - cmdlen = strlen(cmdline) + len; - if (cmdlen > (COMMAND_LINE_SIZE - 1)) - die("Command line overflow\n"); - strcat(cmdline, acpis); - strcat(cmdline, s); - dbgprintf("Command line after adding efi\n"); - dbgprintf("%s\n", cmdline); - - break; - } - } - - fclose(fp); -} - static void get_backup_area(struct kexec_info *info, struct memory_range *range, int ranges) { @@ -1046,7 +1012,6 @@ int load_crashdump_segments(struct kexec if (delete_memmap(memmap_p, elfcorehdr, memsz) < 0) return -1; cmdline_add_memmap(mod_cmdline, memmap_p); - cmdline_add_efi(mod_cmdline); cmdline_add_elfcorehdr(mod_cmdline, elfcorehdr); /* Inform second kernel about the presence of ACPI tables. */