diff options
Diffstat (limited to 'kexec/crashdump-xen.c')
| -rw-r--r-- | kexec/crashdump-xen.c | 38 |
1 files changed, 5 insertions, 33 deletions
diff --git a/kexec/crashdump-xen.c b/kexec/crashdump-xen.c index 2d6b2f9d..3f59a0dc 100644 --- a/kexec/crashdump-xen.c +++ b/kexec/crashdump-xen.c @@ -162,21 +162,15 @@ unsigned long xen_architecture(struct crash_elf_info *elf_info) #ifdef HAVE_LIBXENCTRL int get_xen_vmcoreinfo(uint64_t *addr, uint64_t *len) { - xc_interface *xc; + uint64_t end; int ret = 0; - xc = xc_interface_open(NULL, NULL, 0); - if (!xc) { - fprintf(stderr, "failed to open xen control interface.\n"); + ret = xen_get_kexec_range(KEXEC_RANGE_MA_VMCOREINFO, addr, &end); + if (ret < 0) return -1; - } - - ret = xc_kexec_get_range(xc, KEXEC_RANGE_MA_VMCOREINFO, 0, len, addr); - xc_interface_close(xc); + *len = end - *addr + 1; - if (ret < 0) - return -1; return 0; } @@ -252,29 +246,7 @@ int xen_get_note(int cpu, uint64_t *addr, uint64_t *len) #ifdef HAVE_LIBXENCTRL int xen_get_crashkernel_region(uint64_t *start, uint64_t *end) { - uint64_t size; - xc_interface *xc; - int rc = -1; - - xc = xc_interface_open(NULL, NULL, 0); - if (!xc) { - fprintf(stderr, "failed to open xen control interface.\n"); - goto out; - } - - rc = xc_kexec_get_range(xc, KEXEC_RANGE_MA_CRASH, 0, &size, start); - if (rc < 0) { - fprintf(stderr, "failed to get crash region from hypervisor.\n"); - goto out_close; - } - - *end = *start + size - 1; - -out_close: - xc_interface_close(xc); - -out: - return rc; + return xen_get_kexec_range(KEXEC_RANGE_MA_CRASH, start, end); } #else int xen_get_crashkernel_region(uint64_t *start, uint64_t *end) |