From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0D05434F497; Wed, 3 Dec 2025 16:05:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764777918; cv=none; b=NeMHLgOhIB72/6fi1X+kOyvkQRSOWIjbhuOKqr9ZUoWOgEp/td+trybavU/U0Wf8CdsZE+VuUYD6OZE/6bfgwZ2o2UqyuTJXJQOsdf2E4oHAYQgUUjh4OS/kxWfi2Q8sbTLPH6XDwebQTC2sHhRVhDOVczvkg5LezrSM5iFg2Bw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764777918; c=relaxed/simple; bh=2NzWQgHekCkpf6Sd7L+HgrdCbI67Bgek8dMhrBV/RA0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fMAe+tI2Cszq4QdqV2PWR4oKGdN5S2DVMdSFzM4AapXeWo+YMf4xShSrtDyrX/qJaZBRc5XUvcbuxkvJGWCYSaM8JCnraTlMV4c/Clihl+/CBy/sSEeiD+u9om6EB6D6XCqh2hvleEU104UaG95WlG5E4opDyHq95N+voC2cYvs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BBmb+xUo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="BBmb+xUo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 811ABC4CEF5; Wed, 3 Dec 2025 16:05:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764777917; bh=2NzWQgHekCkpf6Sd7L+HgrdCbI67Bgek8dMhrBV/RA0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BBmb+xUolR6Oqfn80wdgP3fZp/YuI4WeHSUgjiV4Ce6HmK2VHTtxYoNzlmrvvrWWO B8ko4RzdO0ey/XbQyrKaN/9gYG3bCpuMnLMkjFsn0nMJ0W40m1tRMDH83rTK/RK1r0 FMz8MeriRfnQdZloFnDOA9DUjWRv/RA+tnKcJvoA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jacob Moroni , Tatyana Nikolova , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.15 187/392] RDMA/irdma: Fix SD index calculation Date: Wed, 3 Dec 2025 16:25:37 +0100 Message-ID: <20251203152420.960135445@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152414.082328008@linuxfoundation.org> References: <20251203152414.082328008@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jacob Moroni [ Upstream commit 8d158f47f1f33d8747e80c3afbea5aa337e59d41 ] In some cases, it is possible for pble_rsrc->next_fpm_addr to be larger than u32, so remove the u32 cast to avoid unintentional truncation. This fixes the following error that can be observed when registering massive memory regions: [ 447.227494] (NULL ib_device): cqp opcode = 0x1f maj_err_code = 0xffff min_err_code = 0x800c [ 447.227505] (NULL ib_device): [Update PE SDs Cmd Error][op_code=21] status=-5 waiting=1 completion_err=1 maj=0xffff min=0x800c Fixes: e8c4dbc2fcac ("RDMA/irdma: Add PBLE resource manager") Signed-off-by: Jacob Moroni Link: https://patch.msgid.link/20250923190850.1022773-1-jmoroni@google.com Acked-by: Tatyana Nikolova Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/irdma/pble.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/irdma/pble.c b/drivers/infiniband/hw/irdma/pble.c index fed49da770f3b..6562592695b70 100644 --- a/drivers/infiniband/hw/irdma/pble.c +++ b/drivers/infiniband/hw/irdma/pble.c @@ -74,7 +74,7 @@ irdma_hmc_init_pble(struct irdma_sc_dev *dev, static void get_sd_pd_idx(struct irdma_hmc_pble_rsrc *pble_rsrc, struct sd_pd_idx *idx) { - idx->sd_idx = (u32)pble_rsrc->next_fpm_addr / IRDMA_HMC_DIRECT_BP_SIZE; + idx->sd_idx = pble_rsrc->next_fpm_addr / IRDMA_HMC_DIRECT_BP_SIZE; idx->pd_idx = (u32)(pble_rsrc->next_fpm_addr / IRDMA_HMC_PAGED_BP_SIZE); idx->rel_pd_idx = (idx->pd_idx % IRDMA_HMC_PD_CNT_IN_SD); } -- 2.51.0