From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f181.google.com (mail-pg1-f181.google.com [209.85.215.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 746353BC676 for ; Wed, 8 Apr 2026 12:02:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775649739; cv=none; b=EJAWI/38eBwZRPdvRKnWi4k6CT5hTqB9loCAvE2bgChebuxX5M2Atv4+wbOTX7g4iHbko/Dy/b9nOlMxKPax4rpDonLZb0p7wMTN5iLvI6gipYBoikEzh6typf0HcAtShj6oxgiWZlyEGinSXEDfGcc340e2T61vAAvjzU1vF8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775649739; c=relaxed/simple; bh=RoVNWgDRlOba9KdEHSNZquXA4zqOJEPc7UaDRgiBUrU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U+/ZmTuIk9epjXaBdTC6b33s/efiE5iGxAkBQ37udOEjfbSFbwek97+6nZIffaO3Af81nJ6zgJoyemjnq19tjYRQmG5uDaALrJ/qdRAZvUboUfgHMTlMG6EBZy71+Wn0BM3g3iz5BuGOyuwscQMoz8StvbJOXq4CurcM2rRoh6M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=rUBn4mjb; arc=none smtp.client-ip=209.85.215.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rUBn4mjb" Received: by mail-pg1-f181.google.com with SMTP id 41be03b00d2f7-c742723c863so4023036a12.0 for ; Wed, 08 Apr 2026 05:02:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775649738; x=1776254538; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=LxoXdEEXs0w/jw6jTRsQHNSCF81gwq53jiJYY0lS3Rw=; b=rUBn4mjbx1H6plSgaNJ2Cq3mYn2xhhQ9roYcMSEfq5yLsOyqJumK43pQ+SpZ40ng/v q7QTDLav+vB0IZKBsx61UMn755MtOQwb0ybBCwGWTKCOdl43kmpN/HXozql5bgVs8h40 99PToiHjJAlLQJwG57ZKimKfjUHeUGhkgvvGroAlvcCef9EchSEDTASbHoxmpHAUkGfy 7PaLJl1mAqNZq7ggIeLp5gwlZ8SqHMeTXBENfHpb1GaYC3pZ48QDUVlipWQyQdq08+P8 wTKCPJaemLTY6rKBMwlRgArVD6VUvzP6OIejb6Drx4x7nEEzcMFBGUDnf4w2U2P3aXtq RPXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775649738; x=1776254538; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=LxoXdEEXs0w/jw6jTRsQHNSCF81gwq53jiJYY0lS3Rw=; b=Td8iRdHQAkP22Xvu4MO0eNlr1tJTTkDzfAUpXuUUysulK5w7uaWSBy0WIdze8i0Vep W//dEkH4hEiE6rzgd9jU6VV9NcHPg8gBbPsw0+PiT20V4UydKJqa4kcg1xxFQR61+ttg +fXAfrcNinlfwGECBjrujiFE8hkAqu+rO9gUYHlbW1aVaHQgPzsK94qO57cVbk3ZcX6E 2lcHIvmPZMaFuSCv1m8U1x0cvlh+xJcKHjk2IVHG44IAt0q60cBrPpf1VRWwir65EUnU qkmjKbo5ooq+PIIQpvZwTC3npeURrglNaTp46n5ASsml/sitC330drm/9+8WK8THPvdu nmOw== X-Forwarded-Encrypted: i=1; AJvYcCVHEJT3fETg6ZtsKMOYsMslABfwKrvDaSkUU1s8hb2cDTR+F3M5Nc2x/ftl5ztoreJ/yxLaEN7B7bgndnI=@vger.kernel.org X-Gm-Message-State: AOJu0YwUVueUNfGYKexKkxrbqld+noDF40k+/tz09CJ6oHLLpO4FtGwB EFfAeQD3z4YPOuKBHqmiWsGYEW91jBJVrhM0MKNcP9dk3qwtAqtB4jzO X-Gm-Gg: AeBDievF+S0cpNkOsTVayyS5aLWnuYAbpSHGNht+7yH50m3MtHXXLX7gZQW9nZmoFoo wes1ykUpVUlPwBdfJnu1TfU953ZvfGlOqtVbAF2eENXVo/w8q5lqPSoj72IRH7IJjX0Mqy8mLr+ nlwNk3LWfX8ud9yYDSTjw1bVe5Iem75/8C6C9rkksY+X4XDvFSrM//KFjKdWaxUKzWNnFp2X3ez LNIw5RLcAziy7P9EtaeIwVE4YNSPgNLD+qN+S4tESyVAdja2a2dGk2R62QZY9EEmIWijxyyFISI Rj42i+tympcg1dgT3CQjZsXAbNoNTw7xfpcyO6bU2bJWwRQE2kdylx1PZnQMFkDkYCOHIBo4fL8 lsNEWdXSXNISz26biOUTMuiuLzBc41i0/pLQHhlYkrTKgGgnI3I658/HJGcoVjfv1HH9zQLvtTD A77UvKhrPRs1MPYprUhZwLCm2UHqBECm6jXVaHozg4HUET X-Received: by 2002:a05:6a00:4fd6:b0:82c:df25:fbc4 with SMTP id d2e1a72fcca58-82d0dbcce73mr22490656b3a.52.1775649737668; Wed, 08 Apr 2026 05:02:17 -0700 (PDT) Received: from Mac.localdomain ([49.205.216.49]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82cf9b3e169sm21209322b3a.18.2026.04.08.05.02.14 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 08 Apr 2026 05:02:17 -0700 (PDT) From: "Ritesh Harjani (IBM)" To: linuxppc-dev@lists.ozlabs.org, Haren Myneni Cc: Madhavan Srinivasan , Christophe Leroy , Venkat Rao Bagalkote , Nicholas Piggin , linux-kernel@vger.kernel.org, "Ritesh Harjani (IBM)" Subject: [RFC v2 06/10] pseries/papr-hvpipe: Kill task_struct pointer from struct hvpipe_source_info Date: Wed, 8 Apr 2026 17:31:36 +0530 Message-ID: <47f37e9d782b8e87566c4f2da065569f319d1b3c.1775648406.git.ritesh.list@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit We don't really use task_struct pointer for anything meaningful. So just kill it for now, and we can bring back later if we need this for any future debug purposes. Signed-off-by: Ritesh Harjani (IBM) --- arch/powerpc/platforms/pseries/papr-hvpipe.c | 5 ++--- arch/powerpc/platforms/pseries/papr-hvpipe.h | 1 - 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/pseries/papr-hvpipe.c b/arch/powerpc/platforms/pseries/papr-hvpipe.c index 7d05d6dcdb79..41958ed8ee97 100644 --- a/arch/powerpc/platforms/pseries/papr-hvpipe.c +++ b/arch/powerpc/platforms/pseries/papr-hvpipe.c @@ -493,7 +493,6 @@ static int papr_hvpipe_dev_create_handle(u32 srcID) return -ENOMEM; src_info->srcID = srcID; - src_info->tsk = current; init_waitqueue_head(&src_info->recv_wqh); /* @@ -503,8 +502,8 @@ static int papr_hvpipe_dev_create_handle(u32 srcID) spin_lock_irqsave(&hvpipe_src_list_lock, flags); if (hvpipe_find_source(srcID)) { spin_unlock_irqrestore(&hvpipe_src_list_lock, flags); - pr_err("pid(%d) could not get the source(%d)\n", - src_info->tsk->pid, srcID); + pr_err("pid(%s:%d) could not get the source(%d)\n", + current->comm, task_pid_nr(current), srcID); kfree(src_info); return -EALREADY; } diff --git a/arch/powerpc/platforms/pseries/papr-hvpipe.h b/arch/powerpc/platforms/pseries/papr-hvpipe.h index c343f4230865..4bdf7bb2fc4d 100644 --- a/arch/powerpc/platforms/pseries/papr-hvpipe.h +++ b/arch/powerpc/platforms/pseries/papr-hvpipe.h @@ -21,7 +21,6 @@ struct hvpipe_source_info { u32 srcID; u32 hvpipe_status; wait_queue_head_t recv_wqh; /* wake up poll() waitq */ - struct task_struct *tsk; }; /* -- 2.39.5