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Fri, 14 Jun 2024 12:39:49 +0000 (GMT) Date: Fri, 14 Jun 2024 14:39:47 +0200 From: Claudio Imbrenda To: Thomas Huth Cc: linux-doc@vger.kernel.org, Christian Borntraeger , Janosch Frank , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Corbet , Sven Schnelle Subject: Re: [PATCH] Documentation: Add "S390" to the swiotlb kernel parameter Message-ID: <20240614143947.6384b673@p-imbrenda.boeblingen.de.ibm.com> In-Reply-To: <20240614081438.553160-1-thuth@redhat.com> References: <20240614081438.553160-1-thuth@redhat.com> Organization: IBM X-Mailer: Claws Mail 4.2.0 (GTK 3.24.42; x86_64-redhat-linux-gnu) 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=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: L3ZCK8s3FUgb_xX9nsmRbBbdijZvuXPQ X-Proofpoint-GUID: rFe0PdVOAZd20twhdV7jPuhTp8oDRunT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-14_09,2024-06-14_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 adultscore=0 mlxscore=0 phishscore=0 lowpriorityscore=0 mlxlogscore=834 clxscore=1011 malwarescore=0 spamscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406140085 On Fri, 14 Jun 2024 10:14:38 +0200 Thomas Huth wrote: > The "swiotlb" kernel parameter is used on s390 for protected virt since > commit 64e1f0c531d1 ("s390/mm: force swiotlb for protected virtualization") > and thus should be marked in kernel-parameters.txt accordingly. > > Signed-off-by: Thomas Huth Acked-by: Claudio Imbrenda > --- > PS: I wonder whether we could remove IA-64 nowadays...? > > Documentation/admin-guide/kernel-parameters.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index b600df82669d..423427bf6e49 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -6548,7 +6548,7 @@ > This parameter controls use of the Protected > Execution Facility on pSeries. > > - swiotlb= [ARM,IA-64,PPC,MIPS,X86,EARLY] > + swiotlb= [ARM,IA-64,PPC,MIPS,X86,S390,EARLY] > Format: { [,] | force | noforce } > -- Number of I/O TLB slabs > -- Second integer after comma. Number of swiotlb