From: Christoph Hellwig <hch@lst.de> To: Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, Zhenyu Wang <zhenyuw@linux.intel.com>, Zhi Wang <zhi.a.wang@intel.com> Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/21] drm/i915/gvt: remove module refcounting in intel_gvt_{,un}register_hypervisor Date: Wed, 21 Jul 2021 17:53:36 +0200 [thread overview] Message-ID: <20210721155355.173183-3-hch@lst.de> (raw) In-Reply-To: <20210721155355.173183-1-hch@lst.de> THIS_MODULE always is reference when a symbol called by it is used, so don't bother with the additional reference. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/gpu/drm/i915/gvt/gvt.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index cbac409f6c8a..6d7938aacca4 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -308,10 +308,6 @@ intel_gvt_register_hypervisor(const struct intel_gvt_mpt *m) m->type != INTEL_GVT_HYPERVISOR_XEN) return -EINVAL; - /* Get a reference for device model module */ - if (!try_module_get(THIS_MODULE)) - return -ENODEV; - intel_gvt_host.mpt = m; intel_gvt_host.hypervisor_type = m->type; gvt = (void *)kdev_to_i915(intel_gvt_host.dev)->gvt; @@ -321,7 +317,6 @@ intel_gvt_register_hypervisor(const struct intel_gvt_mpt *m) if (ret < 0) { gvt_err("Failed to init %s hypervisor module\n", supported_hypervisors[intel_gvt_host.hypervisor_type]); - module_put(THIS_MODULE); return -ENODEV; } gvt_dbg_core("Running with hypervisor %s in host mode\n", @@ -335,6 +330,5 @@ intel_gvt_unregister_hypervisor(void) { void *gvt = (void *)kdev_to_i915(intel_gvt_host.dev)->gvt; intel_gvt_hypervisor_host_exit(intel_gvt_host.dev, gvt); - module_put(THIS_MODULE); } EXPORT_SYMBOL_GPL(intel_gvt_unregister_hypervisor); -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, Zhenyu Wang <zhenyuw@linux.intel.com>, Zhi Wang <zhi.a.wang@intel.com> Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [Intel-gfx] [PATCH 02/21] drm/i915/gvt: remove module refcounting in intel_gvt_{, un}register_hypervisor Date: Wed, 21 Jul 2021 17:53:36 +0200 [thread overview] Message-ID: <20210721155355.173183-3-hch@lst.de> (raw) In-Reply-To: <20210721155355.173183-1-hch@lst.de> THIS_MODULE always is reference when a symbol called by it is used, so don't bother with the additional reference. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/gpu/drm/i915/gvt/gvt.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index cbac409f6c8a..6d7938aacca4 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -308,10 +308,6 @@ intel_gvt_register_hypervisor(const struct intel_gvt_mpt *m) m->type != INTEL_GVT_HYPERVISOR_XEN) return -EINVAL; - /* Get a reference for device model module */ - if (!try_module_get(THIS_MODULE)) - return -ENODEV; - intel_gvt_host.mpt = m; intel_gvt_host.hypervisor_type = m->type; gvt = (void *)kdev_to_i915(intel_gvt_host.dev)->gvt; @@ -321,7 +317,6 @@ intel_gvt_register_hypervisor(const struct intel_gvt_mpt *m) if (ret < 0) { gvt_err("Failed to init %s hypervisor module\n", supported_hypervisors[intel_gvt_host.hypervisor_type]); - module_put(THIS_MODULE); return -ENODEV; } gvt_dbg_core("Running with hypervisor %s in host mode\n", @@ -335,6 +330,5 @@ intel_gvt_unregister_hypervisor(void) { void *gvt = (void *)kdev_to_i915(intel_gvt_host.dev)->gvt; intel_gvt_hypervisor_host_exit(intel_gvt_host.dev, gvt); - module_put(THIS_MODULE); } EXPORT_SYMBOL_GPL(intel_gvt_unregister_hypervisor); -- 2.30.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2021-07-21 15:54 UTC|newest] Thread overview: 156+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-21 15:53 refactor the i915 GVT support Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 01/21] drm/i915/gvt: integrate into the main Makefile Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-08-03 9:27 ` Zhenyu Wang 2021-08-03 9:27 ` [Intel-gfx] " Zhenyu Wang 2021-07-21 15:53 ` Christoph Hellwig [this message] 2021-07-21 15:53 ` [Intel-gfx] [PATCH 02/21] drm/i915/gvt: remove module refcounting in intel_gvt_{, un}register_hypervisor Christoph Hellwig 2021-07-21 15:53 ` [PATCH 03/21] drm/i915/gvt: remove enum hypervisor_type Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 04/21] drm/i915/gvt: move the gvt code into kvmgt.ko Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-08-09 11:29 ` Joonas Lahtinen 2021-08-09 11:29 ` [Intel-gfx] " Joonas Lahtinen 2021-08-09 14:29 ` Christoph Hellwig 2021-08-09 14:29 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 05/21] drm/i915/gvt: remove intel_gvt_ops Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 06/21] drm/i915/gvt: remove the map_gfn_to_mfn and set_trap_area ops Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 07/21] drm/i915/gvt: remove the unused from_virt_to_mfn op Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 08/21] drm/i915/gvt: merge struct kvmgt_vdev into struct intel_vgpu Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 09/21] drm/i915/gvt: merge struct kvmgt_guest_info into strut intel_vgpu Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 10/21] drm/i915/gvt: remove vgpu->handle Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 11/21] drm/i915/gvt: devirtualize ->{read,write}_gpa Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] [PATCH 11/21] drm/i915/gvt: devirtualize ->{read, write}_gpa Christoph Hellwig 2021-07-21 15:53 ` [PATCH 12/21] drm/i915/gvt: devirtualize ->{get,put}_vfio_device Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] [PATCH 12/21] drm/i915/gvt: devirtualize ->{get, put}_vfio_device Christoph Hellwig 2021-07-21 15:53 ` [PATCH 13/21] drm/i915/gvt: devirtualize ->set_edid and ->set_opregion Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 14/21] drm/i915/gvt: devirtualize ->detach_vgpu Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 15/21] drm/i915/gvt: devirtualize ->inject_msi Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 16/21] drm/i915/gvt: devirtualize ->is_valid_gfn Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 17/21] drm/i915/gvt: devirtualize ->gfn_to_mfn Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 18/21] drm/i915/gvt: devirtualize ->{enable,disable}_page_track Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] [PATCH 18/21] drm/i915/gvt: devirtualize ->{enable, disable}_page_track Christoph Hellwig 2021-07-21 15:53 ` [PATCH 19/21] drm/i915/gvt: devirtualize ->dma_{,un}map_guest_page Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] [PATCH 19/21] drm/i915/gvt: devirtualize ->dma_{, un}map_guest_page Christoph Hellwig 2021-07-21 15:53 ` [PATCH 20/21] drm/i915/gvt: devirtualize dma_pin_guest_page Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 15:53 ` [PATCH 21/21] drm/i915/gvt: remove struct intel_gvt_mpt Christoph Hellwig 2021-07-21 15:53 ` [Intel-gfx] " Christoph Hellwig 2021-07-21 17:42 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/21] drm/i915/gvt: integrate into the main Makefile Patchwork 2021-07-21 17:43 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2021-07-21 18:12 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2021-07-21 21:14 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork 2021-07-22 9:45 ` refactor the i915 GVT support Zhenyu Wang 2021-07-22 9:45 ` [Intel-gfx] " Zhenyu Wang 2021-07-22 9:45 ` Zhenyu Wang 2021-07-22 12:55 ` Christoph Hellwig 2021-07-22 12:55 ` [Intel-gfx] " Christoph Hellwig 2021-07-22 10:49 ` Wang, Zhi A 2021-07-22 10:49 ` [Intel-gfx] " Wang, Zhi A 2021-07-22 10:49 ` Wang, Zhi A 2021-07-22 11:26 ` Gerd Hoffmann 2021-07-22 11:26 ` [Intel-gfx] " Gerd Hoffmann 2021-07-22 11:26 ` Gerd Hoffmann 2021-07-27 12:12 ` Jason Gunthorpe 2021-07-27 12:12 ` [Intel-gfx] " Jason Gunthorpe 2021-07-27 12:12 ` Jason Gunthorpe 2021-07-28 13:38 ` Wang, Zhi A 2021-07-28 13:38 ` [Intel-gfx] " Wang, Zhi A 2021-07-28 13:38 ` Wang, Zhi A 2021-07-28 13:43 ` Greg KH 2021-07-28 13:43 ` [Intel-gfx] " Greg KH 2021-07-28 13:43 ` Greg KH 2021-07-28 17:59 ` Jason Gunthorpe 2021-07-28 17:59 ` [Intel-gfx] " Jason Gunthorpe 2021-07-28 17:59 ` Jason Gunthorpe 2021-07-29 7:20 ` Christoph Hellwig 2021-07-29 7:20 ` [Intel-gfx] " Christoph Hellwig 2021-07-29 7:30 ` Daniel Vetter 2021-07-29 7:30 ` Daniel Vetter 2021-07-29 7:30 ` Daniel Vetter 2021-08-03 9:43 ` Zhenyu Wang 2021-08-03 9:43 ` [Intel-gfx] " Zhenyu Wang 2021-08-03 9:43 ` Zhenyu Wang 2021-08-03 14:30 ` Jason Gunthorpe 2021-08-03 14:30 ` [Intel-gfx] " Jason Gunthorpe 2021-08-03 14:30 ` Jason Gunthorpe 2021-08-04 5:26 ` Zhenyu Wang 2021-08-04 5:26 ` [Intel-gfx] " Zhenyu Wang 2021-08-04 5:26 ` Zhenyu Wang 2021-08-16 17:34 ` Christoph Hellwig 2021-08-16 17:34 ` [Intel-gfx] " Christoph Hellwig 2021-08-17 1:08 ` Zhenyu Wang 2021-08-17 1:08 ` [Intel-gfx] " Zhenyu Wang 2021-08-17 1:08 ` Zhenyu Wang 2021-08-17 5:22 ` Zhenyu Wang 2021-08-17 5:22 ` [Intel-gfx] " Zhenyu Wang 2021-08-17 5:22 ` Zhenyu Wang 2021-08-19 8:29 ` Zhenyu Wang 2021-08-19 8:29 ` [Intel-gfx] " Zhenyu Wang 2021-08-19 8:29 ` Zhenyu Wang 2021-08-19 14:43 ` Joonas Lahtinen 2021-08-19 14:43 ` [Intel-gfx] " Joonas Lahtinen 2021-08-19 14:43 ` Joonas Lahtinen 2021-08-26 6:04 ` Zhenyu Wang 2021-08-26 6:04 ` [Intel-gfx] " Zhenyu Wang 2021-08-26 6:04 ` Zhenyu Wang 2021-08-20 14:17 ` Christoph Hellwig 2021-08-20 14:17 ` [Intel-gfx] " Christoph Hellwig 2021-08-20 19:56 ` Luis Chamberlain 2021-08-20 19:56 ` [Intel-gfx] " Luis Chamberlain 2021-08-20 19:56 ` Luis Chamberlain 2021-08-26 6:12 ` Zhenyu Wang 2021-08-26 6:12 ` [Intel-gfx] " Zhenyu Wang 2021-08-26 6:12 ` Zhenyu Wang 2021-09-28 7:41 ` Wang, Zhi A 2021-09-28 7:41 ` [Intel-gfx] " Wang, Zhi A 2021-09-28 7:41 ` Wang, Zhi A 2021-09-28 14:00 ` Luis Chamberlain 2021-09-28 14:00 ` [Intel-gfx] " Luis Chamberlain 2021-09-28 14:00 ` Luis Chamberlain 2021-09-28 14:35 ` Wang, Zhi A 2021-09-28 14:35 ` [Intel-gfx] " Wang, Zhi A 2021-09-28 14:35 ` Wang, Zhi A 2021-09-28 15:05 ` Jason Gunthorpe 2021-09-28 15:05 ` [Intel-gfx] " Jason Gunthorpe 2021-09-28 15:05 ` Jason Gunthorpe 2021-09-29 18:27 ` Wang, Zhi A 2021-09-29 18:27 ` [Intel-gfx] " Wang, Zhi A 2021-09-29 18:27 ` Wang, Zhi A 2021-09-29 18:55 ` Jason Gunthorpe 2021-09-29 18:55 ` [Intel-gfx] " Jason Gunthorpe 2021-09-29 18:55 ` Jason Gunthorpe 2021-10-01 13:01 ` Wang, Zhi A 2021-10-01 13:01 ` Wang, Zhi A 2021-10-01 13:01 ` [Intel-gfx] " Wang, Zhi A 2021-10-05 7:33 ` Wang, Zhi A 2021-10-05 7:33 ` [Intel-gfx] " Wang, Zhi A 2021-09-30 5:24 ` Christoph Hellwig 2021-09-30 5:24 ` [Intel-gfx] " Christoph Hellwig 2021-08-26 6:08 ` Zhenyu Wang 2021-08-26 6:08 ` [Intel-gfx] " Zhenyu Wang 2021-08-26 6:08 ` Zhenyu Wang 2021-08-04 5:40 ` Christoph Hellwig 2021-08-04 5:40 ` [Intel-gfx] " Christoph Hellwig 2021-09-28 14:24 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for refactor the i915 GVT support (rev2) Patchwork 2021-09-28 14:54 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2021-09-28 16:12 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork 2021-07-29 8:19 ` refactor the i915 GVT support Wang, Zhi A 2021-07-29 8:19 ` [Intel-gfx] " Wang, Zhi A 2021-07-29 8:19 ` Wang, Zhi A 2021-08-19 9:41 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork 2021-07-22 13:16 ` Greg KH 2021-07-22 13:16 ` [Intel-gfx] " Greg KH 2021-07-22 13:16 ` Greg KH
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210721155355.173183-3-hch@lst.de \ --to=hch@lst.de \ --cc=dri-devel@lists.freedesktop.org \ --cc=intel-gfx@lists.freedesktop.org \ --cc=intel-gvt-dev@lists.freedesktop.org \ --cc=jani.nikula@linux.intel.com \ --cc=joonas.lahtinen@linux.intel.com \ --cc=linux-kernel@vger.kernel.org \ --cc=rodrigo.vivi@intel.com \ --cc=zhenyuw@linux.intel.com \ --cc=zhi.a.wang@intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.