On Tue, Jun 11, 2013 at 1:54 PM, Yinghai Lu <[email protected]> wrote: >> >>> Before the patch, command line that is loaded high >>> can be processed correctly in arch/x86/boot/compressed/cmdline.c. >> >> It can't. Here is the code from arch/x86/boot/cmdline.c: > > Are you sure? > > I tested that with kexec loaded second kernel high. > > How do you test that?
double checked, it works already: 10:~/k # sh kk add_buffer: base:11fff6000 bufsz:80e0 memsz:a000 add_buffer: base:11fff0000 bufsz:44ce memsz:44ce add_buffer: base:11d000000 bufsz:9084f0 memsz:2c43000 add_buffer: base:11acef000 bufsz:230f6ec memsz:230f6ec [ 33.551046] cpu0 machine_kexec: fn: ffffffff81076960, data: ffff880116a20000 10:~/k # kexec -d -e [ 52.939049] psmouse serio1: shutdown ... [ 52.965553] Starting new kernel early console in decompress_kernel ============> from misc.c decompress_kernel: input: [0x11ea902c2-0x11f390ba1], output: 0x11d000000, heap: [0x11f398500-0x11f3a04ff] ============> from misc.c Decompressing Linux... xz... Parsing ELF... done. ========> from misc.c Booting the kernel. [ 0.000000] real_mode_data : phys 000000011fff0000 [ 0.000000] real_mode_data : virt ffff88011fff0000 [ 0.000000] boot_params : init virt ffffffff82f839a0 [ 0.000000] boot_params : phys 000000011ef839a0 [ 0.000000] boot_params : virt ffff88011ef839a0 [ 0.000000] boot_command_line : init virt ffffffff82e51020 [ 0.000000] boot_command_line : phys 000000011ee51020 ===> is high ? [ 0.000000] boot_command_line : virt ffff88011ee51020 [ 0.000000] Kernel Layout: [ 0.000000] .text: [0x11d000000-0x11e0ae480] [ 0.000000] .rodata: [0x11e200000-0x11e9cefff] [ 0.000000] .data: [0x11ea00000-0x11ebd3fbf] [ 0.000000] .init: [0x11ebd5000-0x11ef6efff] [ 0.000000] .bss: [0x11ef7d000-0x11fc1dfff] [ 0.000000] .brk: [0x11fc1e000-0x11fc42fff] [ 0.000000] memblock_reserve: [0x0009f000-0x000fffff] * BIOS reserved [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.10.0-rc5-yh-00864-g9cca511-dirty ([email protected]) (gcc version 4.7.2 20130108 [gcc-4_7-branch revision 195012] (SUSE Linux) ) #1732 SMP Tue Jun 11 13:47:35 PDT 2013 [ 0.000000] memblock_reserve: [0x11d000000-0x11fc1dfff] TEXT DATA BSS [ 0.000000] memblock_reserve: [0x11acef000-0x11cffefff] RAMDISK [ 0.000000] Command line: initcall_debug pci=routeirq debug ignore_loglevel apic=debug ramdisk_size=262144 root=/dev/ram0 rw ip=dhcp console=uart8250,io,0x3f8,115200n8 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
