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 853EA2C85A for ; Thu, 18 Jan 2024 15:25:42 +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=1705591542; cv=none; b=UUQffHGjDzUPiT0KWgp/TjztXiv/MR7iTMiRK8jxibe/Eq+Wi9M23+08OQujhnNWc3WqSsYilr6+JkUZa/3kG0+yKUEPDKu4PwGkuX+Jh1NG3KF1w8WZeS+Yl/2N5QfykQDHKHfYxDlUkvK7VzyE9nlASgIJp0dMFePR5mPcCAU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705591542; c=relaxed/simple; bh=KMC85DRJZdm++lhsdhn7YzII9zgUNTcuLEE91FWfuxY=; h=Received:DKIM-Signature:Received:From:Date:Subject:MIME-Version: Content-Type:Content-Transfer-Encoding:Message-Id:References: In-Reply-To:To:Cc:X-Mailer:X-Developer-Signature:X-Developer-Key: X-Endpoint-Received:X-Original-From:Reply-To; b=kw6HVHgwzId0WkgcXlQcbbMO0MNXs6wt1cONn+hL3/Br6rQRaw+sdEGoIXeSg83gaZ9tQnmmZLIgycvscYr3n/1W30bPGe+qlGP9i0d78lJkMcaWS3ndSiMo1ybhabgfu8S6SsRRil/YR0a6iyQn8Q2bhVgZY8ng8EsdeMBrLg8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pwDvU6AG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pwDvU6AG" Received: by smtp.kernel.org (Postfix) with ESMTPS id 2FBECC43399; Thu, 18 Jan 2024 15:25:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705591542; bh=KMC85DRJZdm++lhsdhn7YzII9zgUNTcuLEE91FWfuxY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=pwDvU6AGkVF9wFYcfG21kt7NpsY/SxrK2Iy/JqQlL9ljLEqUd1S4U+pj+6uCewKGu GysB9boz39chxyFuf3lfTPbHXDEcEtGqqXRR2O+K5kr0C63gYHV6mh8nnahiFw9J+N xTQ4FkQL/UwZe3IwYQQprGYkozRRC7X/1KkR9Rm0l/YAQ+hIr32sUOwJsh61Zi3mla XYDb7NKgjiUK9MsjVhRU8Z5ED403xSDQYMzLNGZnbRjc+ChN1KJveP8+NV3wzsExZ9 24UWI+W0vQ7B9ZJ0y1wVuIpMujImCVfAa2+x/abl+LCtmKhX4lZ0mPh3QvdCjWM1+/ iE9PFqen9jTmA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1ABABC47DD7; Thu, 18 Jan 2024 15:25:42 +0000 (UTC) From: Nathan Lynch via B4 Relay Date: Thu, 18 Jan 2024 09:25:15 -0600 Subject: [PATCH RFC 4/5] powerpc/pseries: Prepare pseries_add_hw_description() for runtime use Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240118-update-dump-stack-arch-str-v1-4-5c0f98d017b5@linux.ibm.com> References: <20240118-update-dump-stack-arch-str-v1-0-5c0f98d017b5@linux.ibm.com> In-Reply-To: <20240118-update-dump-stack-arch-str-v1-0-5c0f98d017b5@linux.ibm.com> To: "Aneesh Kumar K.V" , "Naveen N. Rao" , Brian King , Christophe Leroy , John Ogness , Michael Ellerman , Nicholas Piggin , Petr Mladek , Sergey Senozhatsky , Steven Rostedt Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Nathan Lynch X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1705591541; l=2099; i=nathanl@linux.ibm.com; s=20230817; h=from:subject:message-id; bh=CZv2kpuUutCPmlUb5oeOcKP+Rm48SwsyFZd4IK8M0MI=; b=VVNznsHiVwe7zaiA0/fbe8MyMpQpbpoQiulJKy7zUG3wlvgn6w2XdK5QLCzzLofZfATALOCz8 dlidtlO/FPgAkWxOCQuJcyLT2ARRHAF958I6ehHVXDfd352+MaTHxLt X-Developer-Key: i=nathanl@linux.ibm.com; a=ed25519; pk=jPDF44RvT+9DGFOH3NGoIu1xN9dF+82pjdpnKjXfoJ0= X-Endpoint-Received: by B4 Relay for nathanl@linux.ibm.com/20230817 with auth_id=78 X-Original-From: Nathan Lynch Reply-To: From: Nathan Lynch pseries_add_hw_description() will be used after boot to update the hardware description string emitted in stack dumps. Remove the __init and make it take a seq_buf * parameter instead of referencing ppc_hw_desc directly. Signed-off-by: Nathan Lynch --- arch/powerpc/platforms/pseries/setup.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index ecea85c74c43..9ae1951f8312 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -1007,7 +1007,7 @@ static void __init pSeries_cmo_feature_init(void) pr_debug(" <- fw_cmo_feature_init()\n"); } -static void __init pseries_add_hw_description(void) +static void pseries_add_hw_description(struct seq_buf *sb) { struct device_node *dn; const char *s; @@ -1015,7 +1015,7 @@ static void __init pseries_add_hw_description(void) dn = of_find_node_by_path("/openprom"); if (dn) { if (of_property_read_string(dn, "model", &s) == 0) - seq_buf_printf(&ppc_hw_desc, "of:%s ", s); + seq_buf_printf(sb, "of:%s ", s); of_node_put(dn); } @@ -1023,7 +1023,7 @@ static void __init pseries_add_hw_description(void) dn = of_find_node_by_path("/hypervisor"); if (dn) { if (of_property_read_string(dn, "compatible", &s) == 0) - seq_buf_printf(&ppc_hw_desc, "hv:%s ", s); + seq_buf_printf(sb, "hv:%s ", s); of_node_put(dn); return; @@ -1031,7 +1031,7 @@ static void __init pseries_add_hw_description(void) if (of_property_read_bool(of_root, "ibm,powervm-partition") || of_property_read_bool(of_root, "ibm,fw-net-version")) - seq_buf_printf(&ppc_hw_desc, "hv:phyp "); + seq_buf_printf(sb, "hv:phyp "); } /* @@ -1041,7 +1041,7 @@ static void __init pseries_init(void) { pr_debug(" -> pseries_init()\n"); - pseries_add_hw_description(); + pseries_add_hw_description(&ppc_hw_desc); #ifdef CONFIG_HVC_CONSOLE if (firmware_has_feature(FW_FEATURE_LPAR)) -- 2.43.0