Xen project Mailing List

Re: [Xen-devel] [PATCH v5 00/12] livepatch: new features and fixes

On Thu, Nov 14, 2019 at 01:06:41PM +0000, Pawel Wieczorkiewicz wrote: > This series introduces new features to the livepatch functionality as > briefly discussed during Xen Developer Summit 2019: [a] and [b]. > It also provides a few fixes and some small improvements. > > Main changes in v4: > - Fix various typos and minor issues > - Simplify arch_livepatch_{apply,revert} by using > common_livepatch_{apply,revert} > - Improve python bindings and fix few issues This is https://github.com/konradwilk/xen.git (your patches on top of staging): On ARM64: root@hikey960:/home/linaro# xl info host : hikey960 release : 4.12.0-linaro-hikey960+ version : #3 SMP PREEMPT Mon Jul 17 13:26:13 EDT 2017 machine : aarch64 nr_cpus : 8 max_cpu_id : 7 nr_nodes : 1 cores_per_socket : 1 threads_per_core : 1 cpu_mhz : 1.920 hw_caps : 00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000 virt_caps : hvm hap total_memory : 2262 free_memory : 713 sharing_freed_memory : 0 sharing_used_memory : 0 outstanding_claims : 0 free_cpus : 0 xen_major : 4 xen_minor : 13 xen_extra : .0-rc xen_version : 4.13.0-rc xen_caps : xen-3.0-aarch64 xen-3.0-armv7l xen_scheduler : credit2 xen_pagesize : 4096 platform_params : virt_start=0x200000 xen_changeset : Thu Nov 14 13:06:52 2019 +0000 git:9f5f25f07a xen_commandline : console=dtuart dtuart=/soc/serial@fff32000 efi=no-rs dom0_mem=1500M hmp-unsafe=true cc_compiler : gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 cc_compile_by : linaro cc_compile_domain : lan cc_compile_date : Wed Nov 20 02:06:10 UTC 2019 build_id : 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc xend_config_format : 4 root@hikey960:/home/linaro# cd xen.git root@hikey960:/home/linaro/xen.git# readelf -n xen-sy readelf: Error: 'xen-sy': No such file root@hikey960:/home/linaro/xen.git# cd xen root@hikey960:/home/linaro/xen.git/xen# readelf -n xen-syms Displaying notes found in: .note.gnu.build-id Owner Data size Description GNU 0x00000014 NT_GNU_BUILD_ID (unique build ID bitstring) Build ID: 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc root@hikey960:/home/linaro/xen.git/xen# cd test/livepatch/ root@hikey960:/home/linaro/xen.git/xen/test/livepatch# xen-livepatch list Nothing to list root@hikey960:/home/linaro/xen.git/xen/test/livepatch# xen-livepatch load xen_hello_world.livepatch Uploading xen_hello_world.livepatch... completed Applying xen_hello_world... failed Error 22: Invalid argument Unloading xen_hello_world... failed Error 22: Invalid argument root@hikey960:/home/linaro/xen.git/xen/test/livepatch# git log commit 9f5f25f07a64e1b447f7bd124182a1c5ef422d6f Author: Pawel Wieczorkiewicz <wipawel@xxxxxxxxx> Date: Thu Nov 14 13:06:52 2019 +0000 livepatch: Add metadata runtime retrieval mechanism ... root@hikey960:/home/linaro/xen.git/xen/test/livepatch#xl dmesg -c (XEN) Checking for initrd in /chosen (XEN) RAM: 0000000000000000 - 000000001abfffff (XEN) RAM: 000000001ad88000 - 0000000031ffffff (XEN) RAM: 0000000032101000 - 000000003dffffff (XEN) RAM: 0000000040000000 - 000000005af25fff (XEN) RAM: 0000000089cc0000 - 00000000b8767fff (XEN) RAM: 00000000b9ac0000 - 00000000b9ac8fff (XEN) RAM: 00000000b9bfb000 - 00000000b9cbffff (XEN) RAM: 00000000b9d62000 - 00000000b9e0ffff (XEN) RAM: 00000000ba1d0000 - 00000000ba1dbfff (XEN) RAM: 00000000ba1dc000 - 00000000bdc46fff (XEN) RAM: 00000000bdc47000 - 00000000bdd06fff (XEN) RAM: 00000000bdd07000 - 00000000bddd6fff (XEN) RAM: 00000000bddd7000 - 00000000bf00ffff (XEN) RAM: 00000000bf010000 - 00000000bf012fff (XEN) RAM: 00000000bf013000 - 00000000bf19ffff (XEN) RAM: 00000000bf1a0000 - 00000000bf1effff (XEN) RAM: 00000000bf240000 - 00000000bf24efff (XEN) RAM: 00000000bf24f000 - 00000000bfffffff (XEN) (XEN) MODULE[0]: 00000000b8773000 - 00000000b88be900 Xen (XEN) MODULE[1]: 00000000b8768000 - 00000000b8773000 Device Tree (XEN) MODULE[2]: 00000000b88c9000 - 00000000b9885a00 Kernel (XEN) RESVD[0]: 0000000032000000 - 00000000320fffff (XEN) (XEN) CMDLINE[00000000b88c9000]:chosen console=tty0 console=hvc0 root=/dev/sdd10 rw efi=noruntime (XEN) (XEN) Command line: console=dtuart dtuart=/soc/serial@fff32000 efi=no-rs dom0_mem=1500M hmp-unsafe=true (XEN) parameter "efi" unknown! (XEN) Domain heap initialised (XEN) Booting using Device Tree (XEN) Platform: Generic System (XEN) Looking for dtuart at "/soc/serial@fff32000", options "" Xen 4.13.0-rc (XEN) Xen version 4.13.0-rc (linaro@lan) (gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516) debug=y Wed Nov 20 02:06:10 UTC 2019 (XEN) Latest ChangeSet: Thu Nov 14 13:06:52 2019 +0000 git:9f5f25f07a (XEN) build-id: 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc (XEN) Processor: 410fd034: "ARM Limited", variant: 0x0, part 0xd03, rev 0x4 (XEN) 64-bit Execution: (XEN) Processor Features: 0000000000002222 0000000000000000 (XEN) Exception Levels: EL3:64+32 EL2:64+32 EL1:64+32 EL0:64+32 (XEN) Extensions: FloatingPoint AdvancedSIMD (XEN) Debug Features: 0000000010305106 0000000000000000 (XEN) Auxiliary Features: 0000000000000000 0000000000000000 (XEN) Memory Model Features: 0000000000001122 0000000000000000 (XEN) ISA Features: 0000000000011120 0000000000000000 (XEN) 32-bit Execution: (XEN) Processor Features: 00000131:00011011 (XEN) Instruction Sets: AArch32 A32 Thumb Thumb-2 Jazelle (XEN) Extensions: GenericTimer Security (XEN) Debug Features: 03010066 (XEN) Auxiliary Features: 00000000 (XEN) Memory Model Features: 10201105 40000000 01260000 02102211 (XEN) ISA Features: 02101110 13112111 21232042 01112131 00011142 00011121 (XEN) Using SMC Calling Convention v1.0 (XEN) Using PSCI v1.0 (XEN) SMP: Allowing 8 CPUs (XEN) Generic Timer IRQ: phys=30 hyp=26 virt=27 Freq: 1920 KHz (XEN) GICv2 initialization: (XEN) gic_dist_addr=00000000e82b1000 (XEN) gic_cpu_addr=00000000e82b2000 (XEN) gic_hyp_addr=00000000e82b4000 (XEN) gic_vcpu_addr=00000000e82b6000 (XEN) gic_maintenance_irq=25 (XEN) GICv2: 384 lines, 8 cpus, secure (IID 0200143b). (XEN) XSM Framework v1.0.0 initialized (XEN) Initialising XSM SILO mode (XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2) (XEN) Initializing Credit2 scheduler (XEN) load_precision_shift: 18 (XEN) load_window_shift: 30 (XEN) underload_balance_tolerance: 0 (XEN) overload_balance_tolerance: -3 (XEN) runqueues arrangement: socket (XEN) cap enforcement granularity: 10ms (XEN) load tracking window length 1073741824 ns (XEN) Allocated console ring of 64 KiB. (XEN) CPU0: Guest atomics will try 9 times before pausing the domain (XEN) Bringing up CPU1 (XEN) CPU1: Guest atomics will try 18 times before pausing the domain (XEN) CPU 1 booted. (XEN) Bringing up CPU2 (XEN) CPU2: Guest atomics will try 17 times before pausing the domain (XEN) CPU 2 booted. (XEN) Bringing up CPU3 (XEN) CPU3: Guest atomics will try 13 times before pausing the domain (XEN) CPU 3 booted. (XEN) Bringing up CPU4 (XEN) CPU4: Guest atomics will try 15 times before pausing the domain (XEN) CPU 4 booted. (XEN) Bringing up CPU5 (XEN) CPU5: Guest atomics will try 17 times before pausing the domain (XEN) CPU 5 booted. (XEN) Bringing up CPU6 (XEN) CPU6: Guest atomics will try 11 times before pausing the domain (XEN) CPU 6 booted. (XEN) Bringing up CPU7 (XEN) CPU7: Guest atomics will try 16 times before pausing the domain (XEN) CPU 7 booted. (XEN) Brought up 8 CPUs (XEN) I/O virtualisation disabled (XEN) P2M: 40-bit IPA with 40-bit PA and 8-bit VMID (XEN) P2M: 3 levels with order-1 root, VTCR 0x80023558 (XEN) Adding cpu 0 to runqueue 0 (XEN) First cpu on runqueue, activating (XEN) Adding cpu 1 to runqueue 0 (XEN) Adding cpu 2 to runqueue 0 (XEN) Adding cpu 3 to runqueue 0 (XEN) Adding cpu 4 to runqueue 0 (XEN) Adding cpu 5 to runqueue 0 (XEN) Adding cpu 6 to runqueue 0 (XEN) Adding cpu 7 to runqueue 0 (XEN) alternatives: Patching with alt table 00000000002dc0c8 -> 00000000002dc7dc (XEN) *** LOADING DOMAIN 0 *** (XEN) Loading d0 kernel from boot module @ 00000000b88c9000 (XEN) Allocating 1:1 mappings totalling 1500MB for dom0: (XEN) BANK[0] 0x00000008000000-0x00000018000000 (256MB) (XEN) BANK[1] 0x00000020000000-0x00000030000000 (256MB) (XEN) BANK[2] 0x00000040000000-0x00000058000000 (384MB) (XEN) BANK[3] 0x00000090000000-0x000000b4000000 (576MB) (XEN) BANK[4] 0x000000ba800000-0x000000bc000000 (24MB) (XEN) BANK[5] 0x000000bf800000-0x000000bfc00000 (4MB) (XEN) Grant table range: 0x000000b8773000-0x000000b87b3000 (XEN) Allocating PPI 16 for event channel interrupt (XEN) Loading zImage from 00000000b88c9000 to 0000000008080000-000000000903ca00 (XEN) Loading d0 DTB to 0x0000000010000000-0x00000000100082b1 (XEN) Initial low memory virq threshold set at 0x4000 pages. (XEN) Scrubbing Free RAM in background (XEN) Std. Loglevel: All (XEN) Guest Loglevel: All (XEN) *************************************************** (XEN) WARNING: HMP COMPUTING HAS BEEN ENABLED. (XEN) It has implications on the security and stability of the system, (XEN) unless the cpu affinity of all domains is specified. (XEN) *************************************************** (XEN) No support for ARM_SMCCC_ARCH_WORKAROUND_1. (XEN) Please update your firmware. (XEN) *************************************************** (XEN) No support for ARM_SMCCC_ARCH_WORKAROUND_1. (XEN) Please update your firmware. (XEN) *************************************************** (XEN) 3... 2... 1... (XEN) *** Serial input to DOM0 (type 'CTRL-a' three times to switch input) (XEN) Freed 336kB init memory. (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER4 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER8 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER12 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER16 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER20 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER24 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER28 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER32 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER36 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER40 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER44 (XEN) d0v0: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) d0v1: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) d0v2: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) d0v3: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) d0v4: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) d0v5: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) d0v6: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) d0v7: vGICD: unhandled word write 0x000000ffffffff to ICACTIVER0 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .note.gnu.build-id at 0000000000a04000 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .text at 0000000000a02000 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .rodata at 0000000000a04028 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .altinstructions at 0000000000a04052 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .altinstr_replacement at 0000000000a04060 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .rodata.str1.8 at 0000000000a04068 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .rodata.str at 0000000000a040e8 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .bug_frames.1 at 0000000000a040fc (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.depends at 0000000000a0410c (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.xen_depends at 0000000000a04130 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .modinfo at 0000000000a04154 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.funcs at 0000000000a03000 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.hooks.load at 0000000000a03068 (XEN) livepatch.c:379: livepatch: xen_hello_world: Loaded .livepatch.hooks.unload at 0000000000a03078 (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04000 (.note.gnu.build-id) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa02000 (.text) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04028 (.rodata) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04052 (.altinstructions) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04060 (.altinstr_replacement) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04068 (.rodata.str1.8) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa040e8 (.rodata.str) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa040fc (.bug_frames.1) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa0410c (.livepatch.depends) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04130 (.livepatch.xen_depends) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa04154 (.modinfo) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03000 (.livepatch.funcs) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03068 (.livepatch.hooks.load) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03078 (.livepatch.hooks.unload) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: => 0xa03090 (.bss) (XEN) livepatch_elf.c:319: livepatch: xen_hello_world: Absolute symbol: xen_hello_world_func.c => 0 (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $x => 0xa02000 (.text) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $x => 0xa04060 (.altinstr_replacement) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa04068 (.rodata.str1.8) (XEN) livepatch_elf.c:319: livepatch: xen_hello_world: Absolute symbol: xen_hello_world.c => 0 (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $x => 0xa02010 (.text) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: apply_hook => 0xa02010 (.text) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: revert_hook => 0xa0202c (.text) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: hi_func => 0xa02048 (.text) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: check_fnc => 0xa0207c (.text) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa040fc (.bug_frames.1) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa04028 (.rodata) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: __func__.4898 => 0xa04028 (.rodata) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: __func__.4902 => 0xa04030 (.rodata) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: hello_world_patch_this_fnc => 0xa04040 (.rodata) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03090 (.bss) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: cnt => 0xa03090 (.bss) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03000 (.livepatch.funcs) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03068 (.livepatch.hooks.load) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa03078 (.livepatch.hooks.unload) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: $d => 0xa04078 (.rodata.str1.8) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: .L21 => 0xa040e8 (.rodata.str) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: .L31 => 0xa040fa (.rodata.str) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_load_data_hi_func => 0xa03068 (.livepatch.hooks.load) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: xen_hello_world => 0xa02000 (.text) (XEN) livepatch_elf.c:314: livepatch: xen_hello_world: Undefined symbol resolved: xen_extra_version => 0x242158 (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_unload_data_check_fnc => 0xa03078 (.livepatch.hooks.unload) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_load_data_apply_hook => 0xa03070 (.livepatch.hooks.load) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_unload_data_revert_hook => 0xa03088 (.livepatch.hooks.unload) (XEN) livepatch_elf.c:314: livepatch: xen_hello_world: Undefined symbol resolved: printk => 0x2473fc (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_xen_hello_world => 0xa03000 (.livepatch.funcs) (XEN) livepatch_elf.c:343: livepatch: xen_hello_world: Symbol resolved: livepatch_unload_data_hi_func => 0xa03080 (.livepatch.hooks.unload) (XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.preapply is missing (XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.apply is missing (XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.postapply is missing (XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.prerevert is missing (XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.revert is missing (XEN) livepatch.c:533: livepatch: xen_hello_world: .livepatch.hooks.postrevert is missing (XEN) alternatives: Patching with alt table 0000000000a04052 -> 0000000000a0405e (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol apply_hook (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol revert_hook (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol hi_func (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol check_fnc (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol __func__.4898 (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol __func__.4902 (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol hello_world_patch_this_fnc (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol cnt (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_load_data_hi_func (XEN) livepatch.c:988: livepatch: xen_hello_world: overriding symbol xen_hello_world (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_unload_data_check_fnc (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_load_data_apply_hook (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_unload_data_revert_hook (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_xen_hello_world (XEN) livepatch.c:982: livepatch: xen_hello_world: new symbol livepatch_unload_data_hi_func oot@hikey960:/# xen-livepatch list ID | status | metadata ----------------------------------------+------------+--------------- xen_hello_world | CHECKED | LIVEPATCH_RULEZ root@hikey960:/# xl debug-keys x (XEN) 'x' pressed - Dumping all livepatch patches (XEN) build-id: 8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc (XEN) name=xen_hello_world state=CHECKED(1) 0000000000a02000 (.data=0000000000a03000, .rodata=0000000000a04000) using 3 pages. (XEN) livepatch: module metadata: (XEN) livepatch: LIVEPATCH_RULEZ (XEN) xen_extra_version patch 0000000000242158(12) with 0000000000a02000 (16) (XEN) build-id=50159adec7aaec9dae8a6ce3ac6c2d5f9e825bff (XEN) depend-on=8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc (XEN) depend-on-xen=8bf9ec5fc0053f4d4fc3b7d256b66ec86f8e5ccc root@hikey960:/# xen-livepatch unload xen_hello_world Unloading xen_hello_world... failed Error 22: Invalid argument root@hikey960:/# xen-livepatch list ID | status | metadata ----------------------------------------+------------+--------------- xen_hello_world | CHECKED | LIVEPATCH_RULEZ Thoughts? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel

©2013 Xen Project, A Linux Foundation Collaborative Project. All Rights Reserved.
Linux Foundation is a registered trademark of The Linux Foundation.
Xen Project is a trademark of The Linux Foundation.