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X-CSE-ConnectionGUID: pOL81dd0QZed8uBOxDdecQ== X-CSE-MsgGUID: ZQzlq/GNTbuJa7RWIpwKUg== X-IronPort-AV: E=McAfee;i="6800,10657,11515"; a="68153559" X-IronPort-AV: E=Sophos;i="6.17,278,1747724400"; d="scan'208";a="68153559" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2025 06:52:19 -0700 X-CSE-ConnectionGUID: S6yn9jfERgeI3j+fOzlZuw== X-CSE-MsgGUID: jliW7cJOStiKkBK0r/YuOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,278,1747724400"; d="scan'208";a="165903758" Received: from smoticic-mobl1.ger.corp.intel.com (HELO fedora) ([10.245.244.28]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2025 06:52:16 -0700 From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= To: intel-xe@lists.freedesktop.org Cc: Matthew Brost , =?UTF-8?q?Christian=20K=C3=B6nig?= , dri-devel@lists.freedesktop.org, Jason Gunthorpe , Andrew Morton , Simona Vetter , Dave Airlie , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 3/6] drm/gpusvm: Add drm_gpusvm_in_notifier_* helpers Date: Sat, 9 Aug 2025 15:51:34 +0200 Message-ID: <20250809135137.259427-4-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250809135137.259427-1-thomas.hellstrom@linux.intel.com> References: <20250809135137.259427-1-thomas.hellstrom@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 2866080004 X-Rspamd-Server: rspam06 X-Stat-Signature: dkicymyxgoh95o8rsaruy6hkk9bjtkzt X-HE-Tag: 1754747539-201263 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Matthew Brost Abstract drm_gpusvm_in_notifier_lock/unlock with helpers. Intended usage is a client side 2nd pass of a MMU notifier. Signed-off-by: Matthew Brost --- include/drm/drm_gpusvm.h | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/include/drm/drm_gpusvm.h b/include/drm/drm_gpusvm.h index 8b5e159857fc..4bdbe10685cf 100644 --- a/include/drm/drm_gpusvm.h +++ b/include/drm/drm_gpusvm.h @@ -313,7 +313,7 @@ void drm_gpusvm_range_set_unmapped(struct drm_gpusvm_range *range, #endif /** - * drm_gpusvm_notifier_lock() - Lock GPU SVM notifier + * drm_gpusvm_notifier_lock() - Lock GPU SVM notifier, client side * @gpusvm__: Pointer to the GPU SVM structure. * * Abstract client usage GPU SVM notifier lock, take lock @@ -322,7 +322,7 @@ void drm_gpusvm_range_set_unmapped(struct drm_gpusvm_range *range, down_read(&(gpusvm__)->notifier_lock) /** - * drm_gpusvm_notifier_unlock() - Unlock GPU SVM notifier + * drm_gpusvm_notifier_unlock() - Unlock GPU SVM notifier, client side * @gpusvm__: Pointer to the GPU SVM structure. * * Abstract client usage GPU SVM notifier lock, drop lock @@ -330,6 +330,24 @@ void drm_gpusvm_range_set_unmapped(struct drm_gpusvm_range *range, #define drm_gpusvm_notifier_unlock(gpusvm__) \ up_read(&(gpusvm__)->notifier_lock) +/** + * drm_gpusvm_in_notifier_lock() - Lock GPU SVM notifier, in notifier + * @gpusvm__: Pointer to the GPU SVM structure. + * + * Abstract in notifier (2nd pass) usage GPU SVM notifier lock, take lock + */ +#define drm_gpusvm_in_notifier_lock(gpusvm__) \ + down_write(&(gpusvm__)->notifier_lock) + +/** + * drm_gpusvm_in_notifier_unlock() - Unlock GPU SVM notifier, in notifier + * @gpusvm__: Pointer to the GPU SVM structure. + * + * Abstract in notifier (2nd pass) GPU SVM notifier lock, drop lock + */ +#define drm_gpusvm_in_notifier_unlock(gpusvm__) \ + up_write(&(gpusvm__)->notifier_lock) + /** * drm_gpusvm_range_start() - GPU SVM range start address * @range: Pointer to the GPU SVM range -- 2.50.1