From patchwork Fri Jul 23 19:29:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12396825 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05324C4320A for ; Fri, 23 Jul 2021 19:29:57 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C96AA60E97 for ; Fri, 23 Jul 2021 19:29:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C96AA60E97 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 41E926FCF9; Fri, 23 Jul 2021 19:29:51 +0000 (UTC) Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2FFF46FCF4 for ; Fri, 23 Jul 2021 19:29:46 +0000 (UTC) Received: by mail-wm1-x32e.google.com with SMTP id j34-20020a05600c1c22b029024e75084404so1286361wms.1 for ; Fri, 23 Jul 2021 12:29:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=YNABDWlL3AwNkPgqCkZ4TkkCJMmK0exRQFLtXHYpsNw=; b=O1dQV+ewOuHlE772JqS41W3fdCkq+hz7UfEXSOLysbrJAGHEn/vFf9dfwxHibDI417 skGcQcbrrYtkLpx9wcxXUpCvFOf6b9JU3RF1sTYpKw39kTQrR+npm7AysS++7PRaUrkD Gy19HJzAXYgHG5aQbJNvm0unWxryRQIv+IgsU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=YNABDWlL3AwNkPgqCkZ4TkkCJMmK0exRQFLtXHYpsNw=; b=IfvfupKlnQkenorfHfV1fwiLmv5rGwTmiUedwoEe1qyLsvRWQdZkUGqvla3DBbHBKv zDWZwaRQqT6MmorWHZiq2mAGrOSB1yRgbY0uL7r8FlabbfWXWfdYlvlpZmIzWny3GiQh zEhroAS7hGgitgjusb4ngO3bSgw5NW4jvVkyonF6kqp7LCZsC5jcovZTO7O5L1ha8HV+ pkjazo2+qjFu6Hay1TXlNB8FAt3vzP9SZ8bUwW6SbPSSIl99E+VZvXCCmE9NK3pCe0V6 0eSFKVjNsOszh4kguej/ZypDl2HU6EC0boRn7RAyUI0yGg3HIJjf+5Gs9kvFgbirSof1 oJYQ== X-Gm-Message-State: AOAM533BLTG2k1v3vsnASzEK36XLWOmgpZuc1A6I0gBnhJ4IppY+uZYY zXQq5DwhYWc8uUgDtIAFJL4qwg== X-Google-Smtp-Source: ABdhPJxa4T2pUJvaqH2RbdgiTq1loNn+wZk6oOGjAlRfz+AVw+lWOL+gGt86VLVMBdNmyTmaAMwadw== X-Received: by 2002:a1c:cc1a:: with SMTP id h26mr1970899wmb.47.1627068584909; Fri, 23 Jul 2021 12:29:44 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id s14sm17609870wmc.25.2021.07.23.12.29.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Jul 2021 12:29:44 -0700 (PDT) From: Daniel Vetter To: DRI Development Date: Fri, 23 Jul 2021 21:29:31 +0200 Message-Id: <20210723192934.1004427-7-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210723192934.1004427-1-daniel.vetter@ffwll.ch> References: <20210723192934.1004427-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 07/10] drm/i915: move request slabs to direct module init/exit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , Intel Graphics Development , Daniel Vetter Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" With the global kmem_cache shrink infrastructure gone there's nothing special and we can convert them over. I'm doing this split up into each patch because there's quite a bit of noise with removing the static global.slab_requests|execute_cbs to just a slab_requests|execute_cbs. Cc: Jason Ekstrand Signed-off-by: Daniel Vetter Reported-by: kernel test robot Reviewed-by: Jason Ekstrand --- drivers/gpu/drm/i915/i915_globals.c | 2 -- drivers/gpu/drm/i915/i915_pci.c | 2 ++ drivers/gpu/drm/i915/i915_request.c | 47 ++++++++++++----------------- drivers/gpu/drm/i915/i915_request.h | 3 ++ 4 files changed, 24 insertions(+), 30 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_globals.c b/drivers/gpu/drm/i915/i915_globals.c index 40a592fbc3e0..8fffa8d93bc5 100644 --- a/drivers/gpu/drm/i915/i915_globals.c +++ b/drivers/gpu/drm/i915/i915_globals.c @@ -8,7 +8,6 @@ #include #include "i915_globals.h" -#include "i915_request.h" #include "i915_scheduler.h" #include "i915_vma.h" @@ -30,7 +29,6 @@ static void __i915_globals_cleanup(void) } static __initconst int (* const initfn[])(void) = { - i915_global_request_init, i915_global_scheduler_init, i915_global_vma_init, }; diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 2334eb3e9abb..bb2bd12fb8c2 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -35,6 +35,7 @@ #include "i915_drv.h" #include "gem/i915_gem_context.h" #include "gem/i915_gem_object.h" +#include "i915_request.h" #include "i915_perf.h" #include "i915_globals.h" #include "i915_selftest.h" @@ -1302,6 +1303,7 @@ static const struct { { i915_context_module_init, i915_context_module_exit }, { i915_gem_context_module_init, i915_gem_context_module_exit }, { i915_objects_module_init, i915_objects_module_exit }, + { i915_request_module_init, i915_request_module_exit }, { i915_globals_init, i915_globals_exit }, { i915_mock_selftests, NULL }, { i915_pmu_init, i915_pmu_exit }, diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index 6594cb2f8ebd..69152369ea00 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -42,7 +42,6 @@ #include "i915_active.h" #include "i915_drv.h" -#include "i915_globals.h" #include "i915_trace.h" #include "intel_pm.h" @@ -52,11 +51,8 @@ struct execute_cb { struct i915_request *signal; }; -static struct i915_global_request { - struct i915_global base; - struct kmem_cache *slab_requests; - struct kmem_cache *slab_execute_cbs; -} global; +struct kmem_cache *slab_requests; +struct kmem_cache *slab_execute_cbs; static const char *i915_fence_get_driver_name(struct dma_fence *fence) { @@ -107,7 +103,7 @@ static signed long i915_fence_wait(struct dma_fence *fence, struct kmem_cache *i915_request_slab_cache(void) { - return global.slab_requests; + return slab_requests; } static void i915_fence_release(struct dma_fence *fence) @@ -159,7 +155,7 @@ static void i915_fence_release(struct dma_fence *fence) !cmpxchg(&rq->engine->request_pool, NULL, rq)) return; - kmem_cache_free(global.slab_requests, rq); + kmem_cache_free(slab_requests, rq); } const struct dma_fence_ops i915_fence_ops = { @@ -176,7 +172,7 @@ static void irq_execute_cb(struct irq_work *wrk) struct execute_cb *cb = container_of(wrk, typeof(*cb), work); i915_sw_fence_complete(cb->fence); - kmem_cache_free(global.slab_execute_cbs, cb); + kmem_cache_free(slab_execute_cbs, cb); } static __always_inline void @@ -514,7 +510,7 @@ __await_execution(struct i915_request *rq, if (i915_request_is_active(signal)) return 0; - cb = kmem_cache_alloc(global.slab_execute_cbs, gfp); + cb = kmem_cache_alloc(slab_execute_cbs, gfp); if (!cb) return -ENOMEM; @@ -868,7 +864,7 @@ request_alloc_slow(struct intel_timeline *tl, rq = list_first_entry(&tl->requests, typeof(*rq), link); i915_request_retire(rq); - rq = kmem_cache_alloc(global.slab_requests, + rq = kmem_cache_alloc(slab_requests, gfp | __GFP_RETRY_MAYFAIL | __GFP_NOWARN); if (rq) return rq; @@ -881,7 +877,7 @@ request_alloc_slow(struct intel_timeline *tl, retire_requests(tl); out: - return kmem_cache_alloc(global.slab_requests, gfp); + return kmem_cache_alloc(slab_requests, gfp); } static void __i915_request_ctor(void *arg) @@ -942,7 +938,7 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp) * * Do not use kmem_cache_zalloc() here! */ - rq = kmem_cache_alloc(global.slab_requests, + rq = kmem_cache_alloc(slab_requests, gfp | __GFP_RETRY_MAYFAIL | __GFP_NOWARN); if (unlikely(!rq)) { rq = request_alloc_slow(tl, &ce->engine->request_pool, gfp); @@ -1029,7 +1025,7 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp) GEM_BUG_ON(!list_empty(&rq->sched.waiters_list)); err_free: - kmem_cache_free(global.slab_requests, rq); + kmem_cache_free(slab_requests, rq); err_unreserve: intel_context_unpin(ce); return ERR_PTR(ret); @@ -2084,19 +2080,15 @@ void i915_request_show(struct drm_printer *m, #include "selftests/i915_request.c" #endif -static void i915_global_request_exit(void) +void i915_request_module_exit(void) { - kmem_cache_destroy(global.slab_execute_cbs); - kmem_cache_destroy(global.slab_requests); + kmem_cache_destroy(slab_execute_cbs); + kmem_cache_destroy(slab_requests); } -static struct i915_global_request global = { { - .exit = i915_global_request_exit, -} }; - -int __init i915_global_request_init(void) +int __init i915_request_module_init(void) { - global.slab_requests = + slab_requests = kmem_cache_create("i915_request", sizeof(struct i915_request), __alignof__(struct i915_request), @@ -2104,20 +2096,19 @@ int __init i915_global_request_init(void) SLAB_RECLAIM_ACCOUNT | SLAB_TYPESAFE_BY_RCU, __i915_request_ctor); - if (!global.slab_requests) + if (!slab_requests) return -ENOMEM; - global.slab_execute_cbs = KMEM_CACHE(execute_cb, + slab_execute_cbs = KMEM_CACHE(execute_cb, SLAB_HWCACHE_ALIGN | SLAB_RECLAIM_ACCOUNT | SLAB_TYPESAFE_BY_RCU); - if (!global.slab_execute_cbs) + if (!slab_execute_cbs) goto err_requests; - i915_global_register(&global.base); return 0; err_requests: - kmem_cache_destroy(global.slab_requests); + kmem_cache_destroy(slab_requests); return -ENOMEM; } diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index 717e5b292046..a79480f07f04 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -647,4 +647,7 @@ bool i915_request_active_engine(struct i915_request *rq, struct intel_engine_cs **active); +void i915_request_module_exit(void); +int i915_request_module_init(void); + #endif /* I915_REQUEST_H */