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From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>, "Thomas Huth" <thuth@redhat.com>,
	berrange@redhat.com, qemu-block@nongnu.org,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Michael Roth" <michael.roth@amd.com>,
	"Cornelia Huck" <cohuck@redhat.com>, "Peter Lieven" <pl@kamp.de>,
	"Markus Armbruster" <armbru@redhat.com>,
	"Max Reitz" <mreitz@redhat.com>,
	"Halil Pasic" <pasic@linux.ibm.com>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	qemu-s390x@nongnu.org, "Gerd Hoffmann" <kraxel@redhat.com>,
	"Ronnie Sahlberg" <ronniesahlberg@gmail.com>,
	"Samuel Thibault" <samuel.thibault@ens-lyon.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"David Hildenbrand" <david@redhat.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Eric Blake" <eblake@redhat.com>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>
Subject: [PATCH v2 17/18] modules: check arch and block load on mismatch
Date: Thu, 10 Jun 2021 07:57:54 +0200	[thread overview]
Message-ID: <20210610055755.538119-18-kraxel@redhat.com> (raw)
In-Reply-To: <20210610055755.538119-1-kraxel@redhat.com>

Add module_allow_arch() to set the target architecture.
In case a module is limited to some arch verify arches
match and ignore the module if not.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/qemu/module.h |  1 +
 softmmu/vl.c          |  3 +++
 util/module.c         | 15 +++++++++++++++
 3 files changed, 19 insertions(+)

diff --git a/include/qemu/module.h b/include/qemu/module.h
index d3cab3c25a2f..7825f6d8c847 100644
--- a/include/qemu/module.h
+++ b/include/qemu/module.h
@@ -72,6 +72,7 @@ void module_call_init(module_init_type type);
 bool module_load_one(const char *prefix, const char *lib_name, bool mayfail);
 void module_load_qom_one(const char *type);
 void module_load_qom_all(void);
+void module_allow_arch(const char *arch);
 
 /*
  * macros to store module metadata in a .modinfo section.
diff --git a/softmmu/vl.c b/softmmu/vl.c
index ba26a042b284..96316774fcc9 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -126,6 +126,8 @@
 #include "sysemu/iothread.h"
 #include "qemu/guest-random.h"
 
+#include "config-host.h"
+
 #define MAX_VIRTIO_CONSOLES 1
 
 typedef struct BlockdevOptionsQueueEntry {
@@ -2723,6 +2725,7 @@ void qemu_init(int argc, char **argv, char **envp)
     error_init(argv[0]);
     qemu_init_exec_dir(argv[0]);
 
+    module_allow_arch(TARGET_NAME);
     qemu_init_subsystems();
 
     /* first pass of option parsing */
diff --git a/util/module.c b/util/module.c
index 6e4199169c41..564b8e3da760 100644
--- a/util/module.c
+++ b/util/module.c
@@ -122,6 +122,12 @@ void module_call_init(module_init_type type)
 static Modules *modinfo;
 static char *module_dirs[5];
 static int module_ndirs;
+static const char *module_arch;
+
+void module_allow_arch(const char *arch)
+{
+    module_arch = arch;
+}
 
 static void module_load_path_init(void)
 {
@@ -295,6 +301,14 @@ bool module_load_one(const char *prefix, const char *lib_name, bool mayfail)
     module_load_modinfo();
 
     for (modlist = modinfo->list; modlist != NULL; modlist = modlist->next) {
+        if (modlist->value->has_arch) {
+            if (strcmp(modlist->value->name, module_name) == 0) {
+                if (!module_arch ||
+                    strcmp(modlist->value->arch, module_arch) != 0) {
+                    return false;
+                }
+            }
+        }
         if (modlist->value->has_deps) {
             if (strcmp(modlist->value->name, module_name) == 0) {
                 /* we depend on other module(s) */
@@ -401,6 +415,7 @@ void qemu_load_module_for_opts(const char *group)
 
 #else
 
+void module_allow_arch(const char *arch) {}
 void qemu_load_module_for_opts(const char *group) {}
 void module_load_qom_one(const char *type) {}
 void module_load_qom_all(void) {}
-- 
2.31.1



  parent reply	other threads:[~2021-06-10  6:02 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-10  5:57 [PATCH v2 00/18] modules: add metadata database Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 01/18] modules: add metadata macros, add qxl module annotations Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 02/18] qapi: add ModuleInfo schema Gerd Hoffmann
2021-06-14  7:48   ` Markus Armbruster
2021-06-14 15:21     ` Gerd Hoffmann
2021-06-14 16:53       ` Markus Armbruster
2021-06-10  5:57 ` [PATCH v2 03/18] modules: add qemu-modinfo utility Gerd Hoffmann
2021-06-10 13:04   ` Gerd Hoffmann
2021-06-10 13:13     ` Daniel P. Berrangé
2021-06-14  8:34       ` Paolo Bonzini
2021-06-14 14:36         ` Paolo Bonzini
2021-06-15  4:49           ` Gerd Hoffmann
2021-06-15  7:56             ` Gerd Hoffmann
2021-06-15 13:07               ` Gerd Hoffmann
2021-06-15 13:35                 ` Paolo Bonzini
2021-06-16  9:16                   ` Gerd Hoffmann
2021-06-16 10:53                     ` Paolo Bonzini
2021-06-14 15:01         ` Gerd Hoffmann
2021-06-14 15:08           ` Daniel P. Berrangé
2021-06-15  4:54             ` Gerd Hoffmann
2021-06-15  9:27               ` Daniel P. Berrangé
2021-06-10  5:57 ` [PATCH v2 04/18] modules: add virtio-gpu module annotations Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 05/18] modules: add chardev " Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 06/18] modules: add audio " Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 07/18] modules: add usb-redir " Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 08/18] modules: add ccid " Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 09/18] modules: add ui " Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 10/18] modules: add s390x " Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 11/18] modules: add block " Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 12/18] modules: add module_load_path_init helper Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 13/18] modules: load modinfo.json Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 14/18] modules: use modinfo for dependencies Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 15/18] modules: use modinfo for qom load Gerd Hoffmann
2021-06-10  5:57 ` [PATCH v2 16/18] modules: use modinfo for qemu opts load Gerd Hoffmann
2021-06-10  5:57 ` Gerd Hoffmann [this message]
2021-06-10 12:35   ` [PATCH v2 17/18] modules: check arch and block load on mismatch Daniel P. Berrangé
2021-06-10 12:57     ` Gerd Hoffmann
2021-06-10 13:06       ` Daniel P. Berrangé
2021-06-10 14:03         ` Gerd Hoffmann
2021-06-14 11:23           ` Claudio Fontana
2021-06-14 13:44             ` Gerd Hoffmann
2021-06-14 13:52               ` Daniel P. Berrangé
2021-06-14 14:10                 ` Gerd Hoffmann
2021-06-14 11:19     ` Claudio Fontana
2021-06-10  5:57 ` [PATCH v2 18/18] [fixup] module_load_modinfo Gerd Hoffmann
2021-06-10  6:24   ` Gerd Hoffmann
2021-06-10  8:32 ` [PATCH v2 00/18] modules: add metadata database Claudio Fontana
2021-06-10  9:54   ` Gerd Hoffmann
2021-06-14 11:31     ` Claudio Fontana
2021-06-14 14:07       ` Gerd Hoffmann

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