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Thu, 7 May 2026 09:42:37 +0000 (GMT) Date: Thu, 7 May 2026 15:12:29 +0530 From: Amit Machhiwal To: Gautam Menghani Cc: maddy@linux.ibm.com, npiggin@gmail.com, mpe@ellerman.id.au, chleroy@kernel.org, Gautam Menghani , linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] KVM: PPC: Book3S HV: Add H_FAC_UNAVAIL mapping for tracing exits Message-ID: <20260507151014.fd9d5732-0f-amachhiw@linux.ibm.com> Mail-Followup-To: Gautam Menghani , maddy@linux.ibm.com, npiggin@gmail.com, mpe@ellerman.id.au, chleroy@kernel.org, Gautam Menghani , linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260428084534.49781-1-Gautam.Menghani@ibm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260428084534.49781-1-Gautam.Menghani@ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: qfhrqgSmrrHrScBwDerdck2nYq4gJjZ5 X-Proofpoint-GUID: sVVasQizeNerxqEtffzvIBTvmBulpV0_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA3MDA5NSBTYWx0ZWRfX00RDdEL7wK9t FJa5WH4UpnBJuCSw4CTYinqo3QDyfYyPGWO4Tu/RA6bzj1u1BGr/J3IB+AXBUfZ8p+Bx80UMn+9 gwEpjDTSvkAKUjeCd+BnHWhKy3EcUCIJnW5jiktafQYaJ89rpsSOd2pg4yl+XjaRyQiHp1yJvSR DY1/Bb/wOryI+9FCLa4B3kIT5DZm0l/I7eU4Ti0TAXsyXa8oz9t5Ma2zJ0pt1CYgoESmt5a4CTs 0vu5zck44vPpvFOHJBD+i6ZphNphusigaAgJGNresoPtLeNZ5JIgfWlbfmrKtgqPjdVqvIG08ju Qo36M6woPz2C42RHLsEVnUFpS1aWiT2Kw106XKqjo2rSJLdccNhdnkByw1YVBMD/AMiwACD7RkB 1XdHffdSH/rkHG9z3L1LtJxEM/xnPo8FCTTcHKZXtI8WYie9BQ9UPaRGAVbk/YcPK2BerccFkZ2 W7/0toV9lKjfVTuopig== X-Authority-Analysis: v=2.4 cv=UbFhjqSN c=1 sm=1 tr=0 ts=69fc5e95 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=kj9zAlcOel0A:10 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=sf-K9OUI_O-0kvPjvxEA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-06_02,2026-05-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605070095 On 2026/04/28 02:15 PM, Gautam Menghani wrote: > From: Gautam Menghani > > The macro kvm_trace_symbol_exit is used for providing the mappings > for the trap vectors and their names. Add mapping for H_FAC_UNAVAIL so that > trap reason is displayed as string instead of a vector number when using > the kvm_guest_exit tracepoint. > > Signed-off-by: Gautam Menghani > --- > v2: > 1. Remove the trailing comma after last element > > arch/powerpc/kvm/trace_book3s.h | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/kvm/trace_book3s.h b/arch/powerpc/kvm/trace_book3s.h > index 9260ddbd557f..5d272c115331 100644 > --- a/arch/powerpc/kvm/trace_book3s.h > +++ b/arch/powerpc/kvm/trace_book3s.h > @@ -28,6 +28,7 @@ > {0xea0, "H_VIRT"}, \ > {0xf00, "PERFMON"}, \ > {0xf20, "ALTIVEC"}, \ > - {0xf40, "VSX"} > + {0xf40, "VSX"}, \ > + {0xf80, "H_FAC_UNAVAIL"} While we are at it, should we also consider adding 0xf60 for Facility Unavailable? Anyways, LGTM. Reviewed-by: Amit Machhiwal > > #endif > -- > 2.52.0 > >