From: Sasha Levin Date: Mon, 17 Sep 2012 08:03:30 +0000 (+0200) Subject: kvm tools: use init/exit where possible X-Git-Tag: next-20120919~6^2~6 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a48488d;p=karo-tx-linux.git kvm tools: use init/exit where possible Switch to using init/exit calls instead of the repeating call blocks in builtin-run. Signed-off-by: Sasha Levin Signed-off-by: Pekka Enberg --- diff --git a/tools/kvm/Makefile b/tools/kvm/Makefile index 0e2fa6631db5..d4b5eb39da8a 100644 --- a/tools/kvm/Makefile +++ b/tools/kvm/Makefile @@ -84,6 +84,7 @@ OBJS += net/uip/buf.o OBJS += net/uip/csum.o OBJS += net/uip/dhcp.o OBJS += kvm-cmd.o +OBJS += util/init.o OBJS += util/rbtree.o OBJS += util/threadpool.o OBJS += util/parse-options.o diff --git a/tools/kvm/builtin-run.c b/tools/kvm/builtin-run.c index 5ddffaad57e2..bca912205235 100644 --- a/tools/kvm/builtin-run.c +++ b/tools/kvm/builtin-run.c @@ -476,7 +476,6 @@ static int kvm_cmd_run_init(int argc, const char **argv) { static char real_cmdline[2048], default_name[20]; unsigned int nr_online_cpus; - int r; kvm = kvm__new(); if (IS_ERR(kvm)) @@ -646,160 +645,7 @@ static int kvm_cmd_run_init(int argc, const char **argv) printf(" # %s run -k %s -m %Lu -c %d --name %s\n", KVM_BINARY_NAME, kvm->cfg.kernel_filename, kvm->cfg.ram_size / 1024 / 1024, kvm->cfg.nrcpus, kvm->cfg.guest_name); - r = kvm__init(kvm); - if (r) - goto fail; - - r = term_init(kvm); - if (r < 0) { - pr_err("term_init() failed with error %d\n", r); - goto fail; - } - - - r = ioeventfd__init(kvm); - if (r < 0) { - pr_err("ioeventfd__init() failed with error %d\n", r); - goto fail; - } - - r = kvm_cpu__init(kvm); - if (r < 0) { - pr_err("kvm_cpu__init() failed with error %d\n", r); - goto fail; - } - - r = irq__init(kvm); - if (r < 0) { - pr_err("irq__init() failed with error %d\n", r); - goto fail; - } - - r = pci__init(kvm); - if (r < 0) { - pr_err("pci__init() failed with error %d\n", r); - goto fail; - } - - r = ioport__init(kvm); - if (r < 0) { - pr_err("ioport__init() failed with error %d\n", r); - goto fail; - } - - r = disk_image__init(kvm); - if (r < 0) { - pr_err("disk_image__init() failed with error %d\n", r); - goto fail; - } - - r = symbol_init(kvm); - if (r < 0) - pr_debug("symbol_init() failed with error %d\n", r); - - r = rtc__init(kvm); - if (r < 0) { - pr_err("rtc__init() failed with error %d\n", r); - goto fail; - } - - r = serial8250__init(kvm); - if (r < 0) { - pr_err("serial__init() failed with error %d\n", r); - goto fail; - } - - r = virtio_blk__init(kvm); - if (r < 0) { - pr_err("virtio_blk__init() failed with error %d\n", r); - goto fail; - } - - r = virtio_scsi_init(kvm); - if (r < 0) { - pr_err("virtio_scsi_init() failed with error %d\n", r); - goto fail; - } - - r = virtio_console__init(kvm); - if (r < 0) { - pr_err("virtio_console__init() failed with error %d\n", r); - goto fail; - } - - r = virtio_rng__init(kvm); - if (r < 0) { - pr_err("virtio_rng__init() failed with error %d\n", r); - goto fail; - } - - r = virtio_bln__init(kvm); - if (r < 0) { - pr_err("virtio_rng__init() failed with error %d\n", r); - goto fail; - } - - r = virtio_9p__init(kvm); - if (r < 0) { - pr_err("virtio_9p__init() failed with error %d\n", r); - goto fail; - } - - r = virtio_net__init(kvm); - if (r < 0) { - pr_err("virtio_net__init() failed with error %d\n", r); - goto fail; - } - - r = kbd__init(kvm); - if (r < 0) { - pr_err("kbd__init() failed with error %d\n", r); - goto fail; - } - - r = pci_shmem__init(kvm); - if (r < 0) { - pr_err("pci_shmem__init() failed with error %d\n", r); - goto fail; - } - - r = vnc__init(kvm); - if (r < 0) { - pr_err("vnc__init() failed with error %d\n", r); - goto fail; - } - - r = sdl__init(kvm); - if (r < 0) { - pr_err("sdl__init() failed with error %d\n", r); - goto fail; - } - - r = fb__init(kvm); - if (r < 0) { - pr_err("fb__init() failed with error %d\n", r); - goto fail; - } - - /* - * Device init all done; firmware init must - * come after this (it may set up device trees etc.) - */ - - r = kvm_timer__init(kvm); - if (r < 0) { - pr_err("kvm_timer__init() failed with error %d\n", r); - goto fail; - } - - r = thread_pool__init(kvm); - if (r < 0) { - pr_err("thread_pool__init() failed with error %d\n", r); - goto fail; - } - -fail: - return r; + return init_list__init(kvm); } static int kvm_cmd_run_work(void) @@ -818,97 +664,9 @@ static int kvm_cmd_run_work(void) static void kvm_cmd_run_exit(int guest_ret) { - int r = 0; - compat__print_all_messages(); - r = kvm_cpu__exit(kvm); - if (r < 0) - pr_warning("kvm_cpu__exit() failed with error %d\n", r); - - r = symbol_exit(kvm); - if (r < 0) - pr_warning("symbol_exit() failed with error %d\n", r); - - r = irq__exit(kvm); - if (r < 0) - pr_warning("irq__exit() failed with error %d\n", r); - - r = kvm_timer__exit(kvm); - if (r < 0) - pr_warning("kvm_timer__exit() failed with error %d\n", r); - - r = fb__exit(kvm); - if (r < 0) - pr_warning("kvm_timer__exit() failed with error %d\n", r); - - r = virtio_net__exit(kvm); - if (r < 0) - pr_warning("virtio_net__exit() failed with error %d\n", r); - - r = virtio_scsi_exit(kvm); - if (r < 0) - pr_warning("virtio_scsi_exit() failed with error %d\n", r); - - r = virtio_blk__exit(kvm); - if (r < 0) - pr_warning("virtio_blk__exit() failed with error %d\n", r); - - r = virtio_rng__exit(kvm); - if (r < 0) - pr_warning("virtio_rng__exit() failed with error %d\n", r); - - r = virtio_bln__exit(kvm); - if (r < 0) - pr_warning("virtio_bln__exit() failed with error %d\n", r); - - r = virtio_console__exit(kvm); - if (r < 0) - pr_warning("virtio_console__exit() failed with error %d\n", r); - - r = pci_shmem__exit(kvm); - if (r < 0) - pr_warning("pci_shmem__exit() failed with error %d\n", r); - - r = disk_image__exit(kvm); - if (r < 0) - pr_warning("disk_image__exit() failed with error %d\n", r); - - r = serial8250__exit(kvm); - if (r < 0) - pr_warning("serial8250__exit() failed with error %d\n", r); - - r = rtc__exit(kvm); - if (r < 0) - pr_warning("rtc__exit() failed with error %d\n", r); - - r = kvm__arch_free_firmware(kvm); - if (r < 0) - pr_warning("kvm__arch_free_firmware() failed with error %d\n", r); - - r = ioport__exit(kvm); - if (r < 0) - pr_warning("ioport__exit() failed with error %d\n", r); - - r = ioeventfd__exit(kvm); - if (r < 0) - pr_warning("ioeventfd__exit() failed with error %d\n", r); - - r = pci__exit(kvm); - if (r < 0) - pr_warning("pci__exit() failed with error %d\n", r); - - r = term_exit(kvm); - if (r < 0) - pr_warning("pci__exit() failed with error %d\n", r); - - r = thread_pool__exit(kvm); - if (r < 0) - pr_warning("thread_pool__exit() failed with error %d\n", r); - - r = kvm__exit(kvm); - if (r < 0) - pr_warning("pci__exit() failed with error %d\n", r); + init_list__exit(kvm); if (guest_ret == 0) printf("\n # KVM session ended normally.\n"); diff --git a/tools/kvm/disk/core.c b/tools/kvm/disk/core.c index 639b7b30152f..b313b2846832 100644 --- a/tools/kvm/disk/core.c +++ b/tools/kvm/disk/core.c @@ -345,8 +345,10 @@ int disk_image__init(struct kvm *kvm) return 0; } +dev_base_init(disk_image__init); int disk_image__exit(struct kvm *kvm) { return disk_image__close_all(kvm->disks, kvm->nr_disks); } +dev_base_exit(disk_image__exit); diff --git a/tools/kvm/framebuffer.c b/tools/kvm/framebuffer.c index a9d6f75715c0..fb8f51dd1de7 100644 --- a/tools/kvm/framebuffer.c +++ b/tools/kvm/framebuffer.c @@ -1,4 +1,5 @@ #include "kvm/framebuffer.h" +#include "kvm/kvm.h" #include #include @@ -58,6 +59,7 @@ int fb__init(struct kvm *kvm) return 0; } +firmware_init(fb__init); int fb__exit(struct kvm *kvm) { @@ -75,3 +77,4 @@ int fb__exit(struct kvm *kvm) return 0; } +firmware_exit(fb__exit); diff --git a/tools/kvm/hw/i8042.c b/tools/kvm/hw/i8042.c index fac54ca1f3d5..5893d1d31a13 100644 --- a/tools/kvm/hw/i8042.c +++ b/tools/kvm/hw/i8042.c @@ -352,3 +352,4 @@ int kbd__init(struct kvm *kvm) return 0; } +dev_init(kbd__init); diff --git a/tools/kvm/hw/pci-shmem.c b/tools/kvm/hw/pci-shmem.c index 47bb337f4476..0eefa4eeadec 100644 --- a/tools/kvm/hw/pci-shmem.c +++ b/tools/kvm/hw/pci-shmem.c @@ -396,8 +396,10 @@ int pci_shmem__init(struct kvm *kvm) mem); return 0; } +dev_init(pci_shmem__init); int pci_shmem__exit(struct kvm *kvm) { return 0; } +dev_exit(pci_shmem__exit); diff --git a/tools/kvm/hw/rtc.c b/tools/kvm/hw/rtc.c index 4941dafcfe0b..dd6dca31901e 100644 --- a/tools/kvm/hw/rtc.c +++ b/tools/kvm/hw/rtc.c @@ -126,6 +126,7 @@ int rtc__init(struct kvm *kvm) return r; } +dev_init(rtc__init); int rtc__exit(struct kvm *kvm) { @@ -135,3 +136,4 @@ int rtc__exit(struct kvm *kvm) return 0; } +dev_exit(rtc__exit); diff --git a/tools/kvm/hw/serial.c b/tools/kvm/hw/serial.c index 63dedd0c7d7a..5348a9244a49 100644 --- a/tools/kvm/hw/serial.c +++ b/tools/kvm/hw/serial.c @@ -432,6 +432,7 @@ cleanup: return r; } +dev_init(serial8250__init); int serial8250__exit(struct kvm *kvm) { @@ -448,3 +449,4 @@ int serial8250__exit(struct kvm *kvm) return 0; } +dev_exit(serial8250__exit); diff --git a/tools/kvm/include/kvm/kvm.h b/tools/kvm/include/kvm/kvm.h index 2cd30e47d53b..f009695fa09a 100644 --- a/tools/kvm/include/kvm/kvm.h +++ b/tools/kvm/include/kvm/kvm.h @@ -3,6 +3,8 @@ #include "kvm/kvm-arch.h" #include "kvm/kvm-config.h" +#include "kvm/util-init.h" +#include "kvm/kvm.h" #include #include diff --git a/tools/kvm/ioeventfd.c b/tools/kvm/ioeventfd.c index 742b00862f1a..a68d8d0d2db3 100644 --- a/tools/kvm/ioeventfd.c +++ b/tools/kvm/ioeventfd.c @@ -93,6 +93,7 @@ cleanup: return r; } +base_init(ioeventfd__init); int ioeventfd__exit(struct kvm *kvm) { @@ -115,6 +116,7 @@ int ioeventfd__exit(struct kvm *kvm) return 0; } +base_exit(ioeventfd__exit); int ioeventfd__add_event(struct ioevent *ioevent, bool is_pio, bool poll_in_userspace) { diff --git a/tools/kvm/ioport.c b/tools/kvm/ioport.c index f5fb246cb1d6..8d6e382e61cd 100644 --- a/tools/kvm/ioport.c +++ b/tools/kvm/ioport.c @@ -188,9 +188,11 @@ int ioport__init(struct kvm *kvm) return 0; } +dev_base_init(ioport__init); int ioport__exit(struct kvm *kvm) { ioport__unregister_all(); return 0; } +dev_base_exit(ioport__exit); diff --git a/tools/kvm/kvm-cpu.c b/tools/kvm/kvm-cpu.c index f712730cbdc5..86d3b04014c3 100644 --- a/tools/kvm/kvm-cpu.c +++ b/tools/kvm/kvm-cpu.c @@ -212,6 +212,7 @@ fail_alloc: free(kvm->cpus[i]); return -ENOMEM; } +base_init(kvm_cpu__init); int kvm_cpu__exit(struct kvm *kvm) { @@ -238,3 +239,4 @@ int kvm_cpu__exit(struct kvm *kvm) return r; } +late_exit(kvm_cpu__exit); diff --git a/tools/kvm/kvm-ipc.c b/tools/kvm/kvm-ipc.c index 70273c211a11..6b4727050229 100644 --- a/tools/kvm/kvm-ipc.c +++ b/tools/kvm/kvm-ipc.c @@ -477,6 +477,7 @@ err_epoll: err: return ret; } +base_init(kvm_ipc__init); int kvm_ipc__exit(struct kvm *kvm) { @@ -494,3 +495,4 @@ int kvm_ipc__exit(struct kvm *kvm) return ret; } +base_exit(kvm_ipc__exit); diff --git a/tools/kvm/kvm.c b/tools/kvm/kvm.c index cca2e9361646..20322a3375b2 100644 --- a/tools/kvm/kvm.c +++ b/tools/kvm/kvm.c @@ -140,6 +140,7 @@ int kvm__exit(struct kvm *kvm) return 0; } +core_exit(kvm__exit); /* * Note: KVM_SET_USER_MEMORY_REGION assumes that we don't pass overlapping @@ -274,6 +275,7 @@ err_free: err: return ret; } +core_init(kvm__init); /* RFC 1952 */ #define GZIP_ID1 0x1f @@ -375,6 +377,7 @@ int kvm_timer__init(struct kvm *kvm) return 0; } +firmware_init(kvm_timer__init); int kvm_timer__exit(struct kvm *kvm) { @@ -386,6 +389,7 @@ int kvm_timer__exit(struct kvm *kvm) return 0; } +firmware_exit(kvm_timer__exit); void kvm__dump_mem(struct kvm *kvm, unsigned long addr, unsigned long size) { diff --git a/tools/kvm/pci.c b/tools/kvm/pci.c index 38f47785a747..fc4ad39f8985 100644 --- a/tools/kvm/pci.c +++ b/tools/kvm/pci.c @@ -203,6 +203,7 @@ int pci__init(struct kvm *kvm) return 0; } +base_init(pci__init); int pci__exit(struct kvm *kvm) { @@ -211,3 +212,4 @@ int pci__exit(struct kvm *kvm) return 0; } +base_exit(pci__exit); diff --git a/tools/kvm/symbol.c b/tools/kvm/symbol.c index b76d98b1e5c7..07dd9d541065 100644 --- a/tools/kvm/symbol.c +++ b/tools/kvm/symbol.c @@ -15,7 +15,7 @@ int symbol_init(struct kvm *kvm) int ret = 0; if (!kvm->vmlinux) - return -EINVAL; + return 0; bfd_init(); @@ -38,6 +38,7 @@ int symbol_init(struct kvm *kvm) return ret; } +late_init(symbol_init); static asymbol *lookup(asymbol **symbols, int nr_symbols, const char *symbol_name) { @@ -129,3 +130,4 @@ int symbol_exit(struct kvm *kvm) return -EFAULT; } +late_exit(symbol_exit); diff --git a/tools/kvm/term.c b/tools/kvm/term.c index 66f48040418f..d47a75e55dbd 100644 --- a/tools/kvm/term.c +++ b/tools/kvm/term.c @@ -163,8 +163,10 @@ int term_init(struct kvm *kvm) return 0; } +dev_init(term_init); int term_exit(struct kvm *kvm) { return 0; } +dev_exit(term_exit); diff --git a/tools/kvm/ui/sdl.c b/tools/kvm/ui/sdl.c index a041b3b84d54..172a12b768e4 100644 --- a/tools/kvm/ui/sdl.c +++ b/tools/kvm/ui/sdl.c @@ -309,8 +309,13 @@ int sdl__init(struct kvm *kvm) return fb__attach(fb, &sdl_ops); } +dev_init(sdl__init); int sdl__exit(struct kvm *kvm) { - return sdl__stop(NULL); + if (kvm->cfg.sdl) + return sdl__stop(NULL); + + return 0; } +dev_exit(sdl__exit); diff --git a/tools/kvm/ui/vnc.c b/tools/kvm/ui/vnc.c index d445059929b2..efdc0f42fb19 100644 --- a/tools/kvm/ui/vnc.c +++ b/tools/kvm/ui/vnc.c @@ -236,8 +236,13 @@ int vnc__init(struct kvm *kvm) return fb__attach(fb, &vnc_ops); } +dev_init(vnc__init); int vnc__exit(struct kvm *kvm) { - return vnc__stop(NULL); + if (kvm->cfg.vnc) + return vnc__stop(NULL); + + return 0; } +dev_exit(vnc__exit); diff --git a/tools/kvm/util/threadpool.c b/tools/kvm/util/threadpool.c index 9b91995b5f51..85ac7e738313 100644 --- a/tools/kvm/util/threadpool.c +++ b/tools/kvm/util/threadpool.c @@ -1,5 +1,6 @@ #include "kvm/threadpool.h" #include "kvm/mutex.h" +#include "kvm/kvm.h" #include #include @@ -131,6 +132,7 @@ int thread_pool__init(struct kvm *kvm) return i; } +late_init(thread_pool__init); int thread_pool__exit(struct kvm *kvm) { @@ -151,6 +153,7 @@ int thread_pool__exit(struct kvm *kvm) return 0; } +late_exit(thread_pool__exit); void thread_pool__do_job(struct thread_pool__job *job) { diff --git a/tools/kvm/virtio/9p.c b/tools/kvm/virtio/9p.c index 0705d79f32d7..4864b2f8fa32 100644 --- a/tools/kvm/virtio/9p.c +++ b/tools/kvm/virtio/9p.c @@ -1404,6 +1404,7 @@ int virtio_9p__init(struct kvm *kvm) return 0; } +virtio_dev_init(virtio_9p__init); int virtio_9p__register(struct kvm *kvm, const char *root, const char *tag_name) { diff --git a/tools/kvm/virtio/balloon.c b/tools/kvm/virtio/balloon.c index b8192b5122cc..d6bde32e40e8 100644 --- a/tools/kvm/virtio/balloon.c +++ b/tools/kvm/virtio/balloon.c @@ -262,8 +262,10 @@ int virtio_bln__init(struct kvm *kvm) return 0; } +virtio_dev_init(virtio_bln__init); int virtio_bln__exit(struct kvm *kvm) { return 0; } +virtio_dev_exit(virtio_bln__exit); diff --git a/tools/kvm/virtio/blk.c b/tools/kvm/virtio/blk.c index 98f17a23f549..cff38aa68948 100644 --- a/tools/kvm/virtio/blk.c +++ b/tools/kvm/virtio/blk.c @@ -299,6 +299,7 @@ int virtio_blk__init(struct kvm *kvm) cleanup: return virtio_blk__exit(kvm); } +virtio_dev_init(virtio_blk__init); int virtio_blk__exit(struct kvm *kvm) { @@ -311,3 +312,4 @@ int virtio_blk__exit(struct kvm *kvm) return 0; } +virtio_dev_exit(virtio_blk__exit); diff --git a/tools/kvm/virtio/console.c b/tools/kvm/virtio/console.c index a1cb8f4cb2d9..b4c0463e7f27 100644 --- a/tools/kvm/virtio/console.c +++ b/tools/kvm/virtio/console.c @@ -194,8 +194,10 @@ int virtio_console__init(struct kvm *kvm) return 0; } +virtio_dev_init(virtio_console__init); int virtio_console__exit(struct kvm *kvm) { return 0; } +virtio_dev_exit(virtio_console__exit); diff --git a/tools/kvm/virtio/net.c b/tools/kvm/virtio/net.c index 4aca5818122e..e6da7f819e96 100644 --- a/tools/kvm/virtio/net.c +++ b/tools/kvm/virtio/net.c @@ -663,8 +663,10 @@ int virtio_net__init(struct kvm *kvm) return 0; } +virtio_dev_init(virtio_net__init); int virtio_net__exit(struct kvm *kvm) { return 0; } +virtio_dev_exit(virtio_net__exit); diff --git a/tools/kvm/virtio/rng.c b/tools/kvm/virtio/rng.c index 91228e2fffb3..b2616d84bbdf 100644 --- a/tools/kvm/virtio/rng.c +++ b/tools/kvm/virtio/rng.c @@ -176,6 +176,7 @@ cleanup: return r; } +virtio_dev_init(virtio_rng__init); int virtio_rng__exit(struct kvm *kvm) { @@ -189,3 +190,4 @@ int virtio_rng__exit(struct kvm *kvm) return 0; } +virtio_dev_exit(virtio_rng__exit); diff --git a/tools/kvm/virtio/scsi.c b/tools/kvm/virtio/scsi.c index c445f08586fb..881898b43d64 100644 --- a/tools/kvm/virtio/scsi.c +++ b/tools/kvm/virtio/scsi.c @@ -293,6 +293,7 @@ int virtio_scsi_init(struct kvm *kvm) cleanup: return virtio_scsi_exit(kvm); } +virtio_dev_init(virtio_scsi_init); int virtio_scsi_exit(struct kvm *kvm) { @@ -305,3 +306,4 @@ int virtio_scsi_exit(struct kvm *kvm) return 0; } +virtio_dev_exit(virtio_scsi_exit); diff --git a/tools/kvm/x86/irq.c b/tools/kvm/x86/irq.c index e83df99e0370..8dc90bf720ab 100644 --- a/tools/kvm/x86/irq.c +++ b/tools/kvm/x86/irq.c @@ -172,6 +172,7 @@ int irq__init(struct kvm *kvm) return 0; } +dev_base_init(irq__init); int irq__exit(struct kvm *kvm) { @@ -195,6 +196,7 @@ int irq__exit(struct kvm *kvm) return 0; } +dev_base_exit(irq__exit); int irq__add_msix_route(struct kvm *kvm, struct msi_msg *msg) {