From patchwork Tue Jan 12 11:06:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ahmed S. Darwish" X-Patchwork-Id: 361570 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 005F0C433E0 for ; Tue, 12 Jan 2021 11:08:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C5F962310E for ; Tue, 12 Jan 2021 11:08:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730959AbhALLIV (ORCPT ); Tue, 12 Jan 2021 06:08:21 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:45224 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730794AbhALLIU (ORCPT ); Tue, 12 Jan 2021 06:08:20 -0500 From: "Ahmed S. Darwish" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1610449657; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/k+MLlvlTUXtM4tWwrH7+/BfkHO3xJO1w1ha0dlKOnU=; b=sckHyU1g1JtkNGKgP7jkLffahKWk+nQHcNbiI1zrgPjyhufC7GEHZVZ1XzrePghRECYHMn RPbVDk2W12wQTMCJok9/YyDcj305krjtQEPe7W1VcCrJXJC+M0gpziU4OQ6tNg41VsitnO HkSzS3YUUu2pc1DMcTyRRIc6DvMk6Ytysd6My4nKrhhTzpwvdP989vsBGbr49l4DZ73Tr1 aE2rSa9+MoEGWNGI2PHiOXNUNcjjXDvHmdQVmLCSvl4hK/Prlz6B2EbxV5NgPortjebj0R 9ZpyIoX7b9GDBZTKdocRjjU7ayaBw8dqKcxPrRdj/CmFue9uDTP5UkOdkm/5+g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1610449657; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/k+MLlvlTUXtM4tWwrH7+/BfkHO3xJO1w1ha0dlKOnU=; b=UNH+7sHaeBpJ/R+UefTXhjpSVljRT+8qnsE00YZcavamjbvriJeqmHLJ+HhrScUGr9scOp cWvOcXFjYNwShiCw== To: "James E.J. Bottomley" , "Martin K. Petersen" , John Garry , Jason Yan , Daniel Wagner , Artur Paszkiewicz , Jack Wang Cc: linux-scsi@vger.kernel.org, intel-linux-scu@intel.com, LKML , Thomas Gleixner , "Sebastian A. Siewior" , "Ahmed S. Darwish" Subject: [PATCH v2 10/19] scsi: aic94xx: Pass gfp_t flags to libsas event notifiers Date: Tue, 12 Jan 2021 12:06:38 +0100 Message-Id: <20210112110647.627783-11-a.darwish@linutronix.de> In-Reply-To: <20210112110647.627783-1-a.darwish@linutronix.de> References: <20210112110647.627783-1-a.darwish@linutronix.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use the new libsas event notifiers API, which requires callers to explicitly pass the gfp_t memory allocation flags. Context analysis: aic94xx_hwi.c: asd_dl_tasklet_handler() -> asd_ascb::tasklet_complete() == escb_tasklet_complete() -> aic94xx_scb.c: asd_phy_event_tasklet() -> aic94xx_scb.c: asd_bytes_dmaed_tasklet() -> aic94xx_scb.c: asd_link_reset_err_tasklet() -> aic94xx_scb.c: asd_primitive_rcvd_tasklet() All functions are invoked by escb_tasklet_complete(), which is invoked by the tasklet handler. Pass GFP_ATOMIC. Signed-off-by: Ahmed S. Darwish --- drivers/scsi/aic94xx/aic94xx_scb.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index 4a4e8aa227c5..18422a3f9ff0 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -80,7 +80,7 @@ static void asd_phy_event_tasklet(struct asd_ascb *ascb, ASD_DPRINTK("phy%d: device unplugged\n", phy_id); asd_turn_led(asd_ha, phy_id, 0); sas_phy_disconnected(&phy->sas_phy); - sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL); + sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC); break; case CURRENT_OOB_DONE: /* hot plugged device */ @@ -88,12 +88,12 @@ static void asd_phy_event_tasklet(struct asd_ascb *ascb, get_lrate_mode(phy, oob_mode); ASD_DPRINTK("phy%d device plugged: lrate:0x%x, proto:0x%x\n", phy_id, phy->sas_phy.linkrate, phy->sas_phy.iproto); - sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE); + sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC); break; case CURRENT_SPINUP_HOLD: /* hot plug SATA, no COMWAKE sent */ asd_turn_led(asd_ha, phy_id, 1); - sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD); + sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_SPINUP_HOLD, GFP_ATOMIC); break; case CURRENT_GTO_TIMEOUT: case CURRENT_OOB_ERROR: @@ -101,7 +101,7 @@ static void asd_phy_event_tasklet(struct asd_ascb *ascb, dl->status_block[1]); asd_turn_led(asd_ha, phy_id, 0); sas_phy_disconnected(&phy->sas_phy); - sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR); + sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC); break; } } @@ -232,7 +232,7 @@ static void asd_bytes_dmaed_tasklet(struct asd_ascb *ascb, spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags); asd_dump_frame_rcvd(phy, dl); asd_form_port(ascb->ha, phy); - sas_notify_port_event(&phy->sas_phy, PORTE_BYTES_DMAED); + sas_notify_port_event_gfp(&phy->sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC); } static void asd_link_reset_err_tasklet(struct asd_ascb *ascb, @@ -268,7 +268,7 @@ static void asd_link_reset_err_tasklet(struct asd_ascb *ascb, asd_turn_led(asd_ha, phy_id, 0); sas_phy_disconnected(sas_phy); asd_deform_port(asd_ha, phy); - sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR); + sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR, GFP_ATOMIC); if (retries_left == 0) { int num = 1; @@ -313,7 +313,7 @@ static void asd_primitive_rcvd_tasklet(struct asd_ascb *ascb, spin_lock_irqsave(&sas_phy->sas_prim_lock, flags); sas_phy->sas_prim = ffs(cont); spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags); - sas_notify_port_event(sas_phy,PORTE_BROADCAST_RCVD); + sas_notify_port_event_gfp(sas_phy,PORTE_BROADCAST_RCVD, GFP_ATOMIC); break; case LmUNKNOWNP: @@ -334,7 +334,7 @@ static void asd_primitive_rcvd_tasklet(struct asd_ascb *ascb, /* The sequencer disables all phys on that port. * We have to re-enable the phys ourselves. */ asd_deform_port(asd_ha, phy); - sas_notify_port_event(sas_phy, PORTE_HARD_RESET); + sas_notify_port_event_gfp(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC); break; default: @@ -565,7 +565,7 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, /* the device is gone */ sas_phy_disconnected(sas_phy); asd_deform_port(asd_ha, phy); - sas_notify_port_event(sas_phy, PORTE_TIMER_EVENT); + sas_notify_port_event_gfp(sas_phy, PORTE_TIMER_EVENT, GFP_ATOMIC); break; default: ASD_DPRINTK("%s: phy%d: unknown event:0x%x\n", __func__,