From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD4DF26159B for ; Mon, 24 Mar 2025 15:23:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742829815; cv=none; b=bztY2IMXWgynuqHnjwffCXctWKqkt+Qte8T63+L26QU42Q2+9vzejGvBC/HmZwYackmXLPShSWT5K+1mEPZ+a4OS/MxgcC/IE8ovdbyo0YbXBcNH2WBpEvQ4ScsEk75pHZLGMUesE1IrkeJNDjPox+eZ5khtv/wJtMo9aDMCxak= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742829815; c=relaxed/simple; bh=GU/SpGQjG44fOsbkslZBBHhwFbcRS1NukpZiFcR87aQ=; h=Message-ID:Date:MIME-Version:From:Subject:To:Cc:References: In-Reply-To:Content-Type; b=Kmx/1u5rxbtOaDmdhq1oYuRUt0zXVWfHQc2n9D79yhDI7eI/Az67kjzyf2yxXquJYNtXasUIaOICpsYYnnfeoVo4GANg08fSUBUgAIVAPNYlcLb74T/3YUjstRGJjEjyrCkLQGfTJxsxSeYEdwS+TZMN1qdk1CjDi+srFiyxuAU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=HxEm+23y; arc=none smtp.client-ip=217.70.183.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="HxEm+23y" Received: by mail.gandi.net (Postfix) with ESMTPSA id DC0A04441A; Mon, 24 Mar 2025 15:23:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1742829811; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=Sfhjzf8WQqsEexhtSG8Mnb2j5UTla8RiHjEDRoYc8TM=; b=HxEm+23y3efkfVKyw5Huj7fEOjI2TeHPL81n/NmKSZgQlyHiLuWvKE0CxvP6FoP9PkpCMA zOAmC/DmA7+ky5oi8pVFCjZlx+GL8jBEzrgyJAEa2yDCg+m6SK6YY147I7SWoCLUNcIAnz 1ey6K3TyxMWswHulEhhHVUUY72wRboDZV5d/i5+EjvDV17YpKoaSEdu6Mbg+cDMJIyhcO0 XNojeS2eg7qToWq9Cz+Tu5ihcv+Uus6+RcudCi+zaDJL3MzgvtUU4x1Tzwjmt1f/g/l/VF O/zKoBBXSqSbIxekHEv4oSeBx7kZO0pFv1PfSgZFQ2w1uVsR5EenEYF8M0p0EA== Message-ID: <04b28c61-6930-48aa-8775-471311e57486@bootlin.com> Date: Mon, 24 Mar 2025 16:23:29 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Louis Chauvet Subject: Re: [PATCH v2 38/59] drm-print: fix config-dependent unused variable To: Jim Cromie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gfx-trybot@lists.freedesktop.org Cc: jbaron@akamai.com, gregkh@linuxfoundation.org, ukaszb@chromium.org, daniel.vetter@ffwll.ch, tvrtko.ursulin@linux.intel.com, jani.nikula@intel.com, ville.syrjala@linux.intel.com References: <20250320185238.447458-1-jim.cromie@gmail.com> <20250320185238.447458-39-jim.cromie@gmail.com> Content-Language: en-US Autocrypt: addr=louis.chauvet@bootlin.com; keydata= xsFNBGCG5KEBEAD1yQ5C7eS4rxD0Wj7JRYZ07UhWTbBpbSjHjYJQWx/qupQdzzxe6sdrxYSY 5K81kIWbtQX91pD/wH5UapRF4kwMXTAqof8+m3XfYcEDVG31Kf8QkJTG/gLBi1UfJgGBahbY hjP40kuUR/mr7M7bKoBP9Uh0uaEM+DuKl6bSXMSrJ6fOtEPOtnfBY0xVPmqIKfLFEkjh800v jD1fdwWKtAIXf+cQtC9QWvcdzAmQIwmyFBmbg+ccqao1OIXTgu+qMAHfgKDjYctESvo+Szmb DFBZudPbyTAlf2mVKpoHKMGy3ndPZ19RboKUP0wjrF+Snif6zRFisHK7D/mqpgUftoV4HjEH bQO9bTJZXIoPJMSb+Lyds0m83/LYfjcWP8w889bNyD4Lzzzu+hWIu/OObJeGEQqY01etOLMh deuSuCG9tFr0DY6l37d4VK4dqq4Snmm87IRCb3AHAEMJ5SsO8WmRYF8ReLIk0tJJPrALv8DD lnLnwadBJ9H8djZMj24+GC6MJjN8dDNWctpBXgGZKuCM7Ggaex+RLHP/+14Vl+lSLdFiUb3U ljBXuc9v5/9+D8fWlH03q+NCa1dVgUtsP2lpolOV3EE85q1HdMyt5K91oB0hLNFdTFYwn1bW WJ2FaRhiC1yV4kn/z8g7fAp57VyIb6lQfS1Wwuj5/53XYjdipQARAQABzSlMb3VpcyBDaGF1 dmV0IDxsb3Vpcy5jaGF1dmV0QGJvb3RsaW4uY29tPsLBlAQTAQgAPgIbAwULCQgHAgYVCgkI CwIEFgIDAQIeAQIXgBYhBItxBK6aJy1mk/Un8uwYg/VeC0ClBQJmlnw+BQkH8MsdAAoJEOwY g/VeC0ClyhwP/Ra6H+5F2NEW6/IMVHeXmhuly8CcZ3kyoKeGNowghIcTBo59dFh0atGCvr+y K9YD5Pyg9aX4Ropw1R1RVIMrWoUNZUKebRTu6iNHkE6tmURJaKLzR+9la+789jznQvbV+9gM YTBppX4/0cWY58jiDiDV4aJ77JDo7aWNK4hz8mZsB+Y7ezMuS4jy2r4b7dZ+YL/T9/k3/emO PkAuFkVhkNhytMEyOBsT7SjL4IUBeYWvOw9MIaXEl4qW/5HLGtMuNhS94NsviDXZquoOHOby 2uuRAI0bLz1qcsnY90yyPlDJ0pMuJHbi0DBzPTIYkyuwoyplfWxnUPp1wfsjiy/B6mRKTbdE a/K6jNzdVC1LLjTD4EjwnCE8IZBRWH1NVC1suOkw3Sr1FYcHFSYqNDrrzO+RKtR1JMrIe8/3 Xhe2/UNUhppsK3SaFaIsu98mVQY3bA/Xn9wYcuAAzRzhEHgrbp8LPzYdi6Qtlqpt4HcPV3Ya H9BkCacgyLHcdeQbBXaup9JbF5oqbdtwev3waAmNfhWhrQeqQ0tkrpJ46l9slEGEdao5Dcct QDRjmJz7Gx/rKJngQrbboOQz+rhiHPoJc/n75lgOqtHRePNEf9xmtteHYpiAXh/YNooXJvdA tgR1jAsCsxuXZnW2DpVClm1WSHNfLSWona8cTkcoSTeYCrnXzsFNBGCG6KUBEADZhvm9TZ25 JZa7wbKMOpvSH36K8wl74FhuVuv7ykeFPKH2oC7zmP1oqs1IF1UXQQzNkCHsBpIZq+TSE74a mG4sEhZP0irrG/w3JQ9Vbxds7PzlQzDarJ1WJvS2KZ4AVnwc/ucirNuxinAuAmmNBUNF8w6o Y97sdgFuIZUP6h972Tby5bu7wmy1hWL3+2QV+LEKmRpr0D9jDtJrKfm25sLwoHIojdQtGv2g JbQ9Oh9+k3QG9Kh6tiQoOrzgJ9pNjamYsnti9M2XHhlX489eXq/E6bWOBRa0UmD0tuQKNgK1 n8EDmFPW3L0vEnytAl4QyZEzPhO30GEcgtNkaJVQwiXtn4FMw4R5ncqXVvzR7rnEuXwyO9RF tjqhwxsfRlORo6vMKqvDxFfgIkVnlc2KBa563qDNARB6caG6kRaLVcy0pGVlCiHLjl6ygP+G GCNfoh/PADQz7gaobN2WZzXbsVS5LDb9w/TqskSRhkgXpxt6k2rqNgdfeyomlkQnruvkIIjs Sk2X68nwHJlCjze3IgSngS2Gc0NC/DDoUBMblP6a2LJwuF/nvaW+QzPquy5KjKUO2UqIO9y+ movZqE777uayqmMeIy4cd/gg/yTBBcGvWVm0Dh7dE6G6WXJUhWIUtXCzxKMmkvSmZy+gt1rN OyCd65HgUXPBf+hioCzGVFSoqQARAQABwsOyBBgBCAAmAhsuFiEEi3EErponLWaT9Sfy7BiD 9V4LQKUFAmaWfGYFCQfwx0ECQAkQ7BiD9V4LQKXBdCAEGQEIAB0WIQRPj7g/vng8MQxQWQQg rS7GWxAs4gUCYIbopQAKCRAgrS7GWxAs4gfGEACcA0XVNesbVIyvs5SJpJy+6csrH4yy233o GclX2P7pcCls55wiV6ywCtRaXWFjztYmklQieaZ/zq+pUuUDtBZo95rUP20E56gYV2XFB18W YeekTwH5d2d/j++60iHExWTB+sgMEv3CEGikUBj7iaMX2KtaB1k9K+3K6dx/s1KWxOClFkbJ EV/tmeq7Ta8LiytQM9b4yY550tzC0pEEeFcLFXo1m5KcJauYnAqrlOVY48NFpFUd9oAZf/Pz p3oEs+zn/8zK2PBrZZCD6AhrbotRy7irE5eimhxcsFm1+MG5ufnaQUWHrRYXVuFhvkSoqZ8j GPgPEpFor4NjRyX/PMLglQ7S5snkvKcr3Lun44aybXEHq/1FTzW2kOh6kFHFFOPbMv1voJKM IzrmDoDS+xANt/La7OwpCylCgF6t9oHHTTGfAfwtfYZbiepC66FDe/Jt/QLwkIXeIoeSS1O4 6rJdGWG2kHthUM+uIbUbaRJW8AkJpzP1Mz7TieR/9jO4YPeUm9tGL5kP2yyNtzFilcoOeox1 NSFNAPz+zPcovVmxAaSDGcSzhQVJVlk8xPib8g4fnI8qJ3Gj7xyw8D9dzxhCR2DIFmZL84En N7Rj+k4VIGY7M/cVvxL81jlbMGMERMmb96Cua9z1ROviGA1He2gbHOcp6qmLNu3nprleG8PL ZRNdEAC0iZapoyiXlVCKLFIwUPnxUz5iarqIfQU8sa1VXYYd/AAAFI6Wv3zfNtGicjgHP8rN CIegqm2Av1939XXGZJVI9f3hEoUn04rvxCgcDcUvn7I0WTZ4JB9G5qAGvQLXeXK6Byu77qTx eC7PUIIEKN3X47e8xTSj2reVTlanDr8yeqZhxpKHaS0laF8RbD85geZtAK67qEByX2KC9DUo eHBFuXpYMzGQnf2SG105ePI2f4h5iAfbTW9VWH989fx4f2hVlDwTe08/NhPdwq/Houov9f/+ uPpYEMlHCNwE8GRV7aEjd/dvu87PQPm4zFtC3jgQaUKCbYYlHmYYRlrLQenX3QSorrQNPbfz uQkNLDVcjgD2fxBpemT7EhHYBz+ugsfbtdsH+4jVCo5WLb/HxE6o5zvSIkXknWh1DhFj/qe9 Zb9PGmfp8T8Ty+c/hjE5x6SrkRCX8qPXIvfSWLlb8M0lpcpFK+tB+kZlu5I3ycQDNLTk3qmf PdjUMWb5Ld21PSyCrtGc/hTKwxMoHsOZPy6UB8YJ5omZdsavcjKMrDpybguOfxUmGYs2H3MJ ghIUQMMOe0267uQcmMNDPRueGWTLXcuyz0Tpe62Whekc3gNMl0JrNz6Gty8OBb/ETijfSHPE qGHYuyAZJo9A/IazHuJ+4n+gm4kQl1WLfxoRMzYHCA== In-Reply-To: <20250320185238.447458-39-jim.cromie@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdduiedtuddvucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefkffggfgfhuffvvehfjggtgfesthekredttddvjeenucfhrhhomhepnfhouhhishcuvehhrghuvhgvthcuoehlohhuihhsrdgthhgruhhvvghtsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeetfffhtdeigfehffduuedvkeefgfdvuddugfffteetffdvteffgfejvedugffgffenucffohhmrghinhepsghoohhtlhhinhdrtghomhenucfkphepledtrdekledrudeifedruddvjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeeltddrkeelrdduieefrdduvdejpdhhvghloheplgduledvrdduieekrddtrddvtdgnpdhmrghilhhfrhhomheplhhouhhishdrtghhrghuvhgvthessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepudegpdhrtghpthhtohepjhhimhdrtghrohhmihgvsehgmhgrihhlrdgtohhmpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtohepughrihdquggvvhgvlheslhhishhtshdrfhhrvggvuggvshhkthhophdrohhrghdprhgtphhtthhopegrmhguqdhgfhigsehlihhsthhsr dhfrhgvvgguvghskhhtohhprdhorhhgpdhrtghpthhtohepihhnthgvlhdqghhvthdquggvvheslhhishhtshdrfhhrvggvuggvshhkthhophdrohhrghdprhgtphhtthhopehinhhtvghlqdhgfhigsehlihhsthhsrdhfrhgvvgguvghskhhtohhprdhorhhgpdhrtghpthhtohepihhnthgvlhdqghhfgidqthhrhigsohhtsehlihhsthhsrdhfrhgvvgguvghskhhtohhprdhorhhgpdhrtghpthhtohepjhgsrghrohhnsegrkhgrmhgrihdrtghomh X-GND-Sasl: louis.chauvet@bootlin.com Le 20/03/2025 à 19:52, Jim Cromie a écrit : > With CONFIG_DRM_USE_DYNAMIC_DEBUG=y, __drm_printfn_dbg() gets an > unused variable warning/error on 'category', even though the usage > follows immediately, in drm_debug_enabled(category). > > For static-key optimized dyndbg, the macro doesn't actually check the > category var, since the static-key patches in the proper state. The > compiler evidently sees this lack of reference and complains. > > So this drops the local var and refs the field directly in the > macro-call, which avoids the warning/error. > > Signed-off-by: Jim Cromie Reviewed-by: Louis Chauvet I believe I can merge it before the entire series. Does anyone have any objections? > --- > drivers/gpu/drm/drm_print.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c > index 46d53fe30204..41ad11247b48 100644 > --- a/drivers/gpu/drm/drm_print.c > +++ b/drivers/gpu/drm/drm_print.c > @@ -212,9 +212,8 @@ void __drm_printfn_dbg(struct drm_printer *p, struct va_format *vaf) > { > const struct drm_device *drm = p->arg; > const struct device *dev = drm ? drm->dev : NULL; > - enum drm_debug_category category = p->category; > > - if (!__drm_debug_enabled(category)) > + if (!__drm_debug_enabled(p->category)) > return; > > __drm_dev_vprintk(dev, KERN_DEBUG, p->origin, p->prefix, vaf); -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com