diff options
| author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2019-01-11 18:57:27 +0900 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2019-01-15 15:17:16 +0100 |
| commit | b23d0f8cf0499b3c3f69b4a68b3d52572c55d08a (patch) | |
| tree | c4cf018a3e40407c02e5eb541a8e33966d1a1f87 /kexec/arch/arm64/kexec-arm64.c | |
| parent | 64c49f27d88024eaab990d2cd6069289cf853098 (diff) | |
arm64: add kexec_file_load support
With this patch, kexec_file_load() system call is supported.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Bhupesh Sharma <bhsharma@redhat.com>
Tested-by: Bhupesh Sharma <bhsharma@redhat.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'kexec/arch/arm64/kexec-arm64.c')
| -rw-r--r-- | kexec/arch/arm64/kexec-arm64.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c index 536c64b..1cde75d 100644 --- a/kexec/arch/arm64/kexec-arm64.c +++ b/kexec/arch/arm64/kexec-arm64.c @@ -141,6 +141,7 @@ int arch_process_options(int argc, char **argv) int opt; char *cmdline = NULL; const char *append = NULL; + int do_kexec_file_syscall = 0; for (opt = 0; opt != -1; ) { opt = getopt_long(argc, argv, short_options, options, 0); @@ -158,6 +159,9 @@ int arch_process_options(int argc, char **argv) case OPT_INITRD: arm64_opts.initrd = optarg; break; + case OPT_KEXEC_FILE_SYSCALL: + do_kexec_file_syscall = 1; + break; default: break; /* Ignore core and unknown options. */ } @@ -169,7 +173,11 @@ int arch_process_options(int argc, char **argv) arm64_opts.command_line); dbgprintf("%s:%d: initrd: %s\n", __func__, __LINE__, arm64_opts.initrd); - dbgprintf("%s:%d: dtb: %s\n", __func__, __LINE__, arm64_opts.dtb); + dbgprintf("%s:%d: dtb: %s\n", __func__, __LINE__, + (do_kexec_file_syscall && arm64_opts.dtb ? "(ignored)" : + arm64_opts.dtb)); + if (do_kexec_file_syscall) + arm64_opts.dtb = NULL; return 0; } |