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Blame SOURCES/kvm-Mostly-revert-qemu-help-Sort-devices-by-logical-func.patch

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From c028066b7a4a68d52a33f6856bb8fe907def2b6b Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Wed, 6 Nov 2013 14:41:10 +0100
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Subject: [PATCH 34/81] Mostly revert "qemu-help: Sort devices by logical functionality"
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <1383748882-22831-6-git-send-email-kwolf@redhat.com>
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Patchwork-id: 55531
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O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 05/17] Mostly revert "qemu-help: Sort devices by logical functionality"
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Bugzilla: 1001216
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RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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From: Markus Armbruster <armbru@redhat.com>
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This reverts most of commit 3d1237fb2ab4edb926c717767bb5e31d6053a7c5.
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The commit claims to sort the output of "-device help" "by
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functionality rather than alphabetical".  Issues:
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* The output was unsorted before, not alphabetically sorted.
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  Misleading, but harmless enough.
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* The commit doesn't just sort the output of "-device help" as it
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  claims, it adds categories to each line of "-device help", and it
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  prints devices once per category.  In particular, devices without a
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  category aren't shown anymore.  Maybe such devices should not exist,
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  but they do.  Regression.
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* Categories are also added to the output of "info qdm".  Silent
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  change, not nice.  Output remains unsorted, unlike "-device help".
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I'm going to reimplement the feature we actually want, without the
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warts.  Reverting the flawed commit first should make it easier to
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review.  However, I can't revert it completely, since DeviceClass
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member categories has been put to use.  So leave that part in.
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
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Message-id: 1381410021-1538-2-git-send-email-armbru@redhat.com
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Signed-off-by: Anthony Liguori <aliguori@amazon.com>
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(cherry picked from commit 1fc224b4b6d195fb7802d5ba1a0846a4e7a1e2af)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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 include/hw/qdev-core.h | 16 ----------------
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 qdev-monitor.c         | 48 +++++++++---------------------------------------
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 2 files changed, 9 insertions(+), 55 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 include/hw/qdev-core.h |   16 ----------------
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 qdev-monitor.c         |   48 +++++++++---------------------------------------
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 2 files changed, 9 insertions(+), 55 deletions(-)
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diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
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index 18596e9..a8618db 100644
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--- a/include/hw/qdev-core.h
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+++ b/include/hw/qdev-core.h
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@@ -30,22 +30,6 @@ typedef enum DeviceCategory {
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     DEVICE_CATEGORY_MAX
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 } DeviceCategory;
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-static inline const char *qdev_category_get_name(DeviceCategory category)
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-{
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-    static const char *category_names[DEVICE_CATEGORY_MAX] = {
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-        [DEVICE_CATEGORY_BRIDGE]  = "Controller/Bridge/Hub",
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-        [DEVICE_CATEGORY_USB]     = "USB",
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-        [DEVICE_CATEGORY_STORAGE] = "Storage",
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-        [DEVICE_CATEGORY_NETWORK] = "Network",
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-        [DEVICE_CATEGORY_INPUT]   = "Input",
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-        [DEVICE_CATEGORY_DISPLAY] = "Display",
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-        [DEVICE_CATEGORY_SOUND]   = "Sound",
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-        [DEVICE_CATEGORY_MISC]    = "Misc",
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-    };
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-
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-    return category_names[category];
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-};
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-
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 typedef int (*qdev_initfn)(DeviceState *dev);
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 typedef int (*qdev_event)(DeviceState *dev);
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 typedef void (*qdev_resetfn)(DeviceState *dev);
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diff --git a/qdev-monitor.c b/qdev-monitor.c
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index 230a8df..e54dbc2 100644
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--- a/qdev-monitor.c
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+++ b/qdev-monitor.c
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@@ -75,27 +75,24 @@ static bool qdev_class_has_alias(DeviceClass *dc)
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     return (qdev_class_get_alias(dc) != NULL);
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 }
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-static void qdev_print_class_devinfo(DeviceClass *dc)
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+static void qdev_print_devinfo(ObjectClass *klass, void *opaque)
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 {
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-    DeviceCategory category;
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+    DeviceClass *dc;
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+    bool *show_no_user = opaque;
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+
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+    dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE);
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-    if (!dc) {
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+    if (!dc || (show_no_user && !*show_no_user && dc->no_user)) {
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         return;
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     }
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-    error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc)));
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+    error_printf("name \"%s\"", object_class_get_name(klass));
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     if (dc->bus_type) {
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         error_printf(", bus %s", dc->bus_type);
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     }
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     if (qdev_class_has_alias(dc)) {
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         error_printf(", alias \"%s\"", qdev_class_get_alias(dc));
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     }
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-    error_printf(", categories");
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-    for (category = 0; category < DEVICE_CATEGORY_MAX; ++category) {
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-        if (test_bit(category, dc->categories)) {
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-            error_printf(" \"%s\"", qdev_category_get_name(category));
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-        }
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-    }
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     if (dc->desc) {
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         error_printf(", desc \"%s\"", dc->desc);
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     }
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@@ -105,15 +102,6 @@ static void qdev_print_class_devinfo(DeviceClass *dc)
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     error_printf("\n");
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 }
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-static void qdev_print_devinfo(ObjectClass *klass, void *opaque)
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-{
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-    DeviceClass *dc;
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-
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-    dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE);
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-
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-    qdev_print_class_devinfo(dc);
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-}
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-
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 static int set_property(const char *name, const char *value, void *opaque)
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 {
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     DeviceState *dev = opaque;
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@@ -151,21 +139,6 @@ static const char *find_typename_by_alias(const char *alias)
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     return NULL;
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 }
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-static void qdev_print_category_devices(DeviceCategory category)
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-{
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-    DeviceClass *dc;
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-    GSList *list, *curr;
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-
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-    list = object_class_get_list(TYPE_DEVICE, false);
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-    for (curr = list; curr; curr = g_slist_next(curr)) {
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-        dc = (DeviceClass *)object_class_dynamic_cast(curr->data, TYPE_DEVICE);
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-        if (!dc->no_user && test_bit(category, dc->categories)) {
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-            qdev_print_class_devinfo(dc);
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-        }
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-    }
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-    g_slist_free(list);
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-}
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-
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 int qdev_device_help(QemuOpts *opts)
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 {
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     const char *driver;
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@@ -174,11 +147,8 @@ int qdev_device_help(QemuOpts *opts)
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     driver = qemu_opt_get(opts, "driver");
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     if (driver && is_help_option(driver)) {
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-        DeviceCategory category;
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-        for (category = 0; category < DEVICE_CATEGORY_MAX; ++category) {
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-            qdev_print_category_devices(category);
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-        }
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-
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+        bool show_no_user = false;
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+        object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, &show_no_user);
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         return 1;
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     }
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-- 
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1.7.1
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