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Fri, 3 Nov 2023 14:14:11 +0000 (GMT) Date: Fri, 3 Nov 2023 14:48:50 +0100 From: Claudio Imbrenda To: Nico Boehr Cc: frankja@linux.ibm.com, thuth@redhat.com, kvm@vger.kernel.org, linux-s390@vger.kernel.org Subject: Re: [kvm-unit-tests PATCH v7 5/8] s390x: lib: sie: don't reenter SIE on pgm int Message-ID: <20231103144850.3f823ce0@p-imbrenda> In-Reply-To: <20231103092954.238491-6-nrb@linux.ibm.com> References: <20231103092954.238491-1-nrb@linux.ibm.com> <20231103092954.238491-6-nrb@linux.ibm.com> Organization: IBM X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Cscv7kxJIqBbgETHRl-PQPTXrgVVCHQE X-Proofpoint-GUID: rt87BMu3iC6S5mpI6B9N_YEaX1g_Ea9a X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-03_13,2023-11-02_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 spamscore=0 clxscore=1015 impostorscore=0 mlxscore=0 bulkscore=0 mlxlogscore=687 lowpriorityscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310240000 definitions=main-2311030120 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On Fri, 3 Nov 2023 10:29:34 +0100 Nico Boehr wrote: [...] > diff --git a/lib/s390x/asm/interrupt.h b/lib/s390x/asm/interrupt.h > index d01f8a89641a..7f73d473b346 100644 > --- a/lib/s390x/asm/interrupt.h > +++ b/lib/s390x/asm/interrupt.h > @@ -97,4 +97,18 @@ static inline void low_prot_disable(void) > ctl_clear_bit(0, CTL0_LOW_ADDR_PROT); > } > > +/** > + * read_pgm_int_code - Get the program interruption code of the last pgm int > + * on the current CPU. > + * > + * This is similar to clear_pgm_int(), except that it doesn't clear the > + * interruption information from lowcore. > + * > + * Returns 0 when none occurred. * Return: with that fixed: Reviewed-by: Claudio Imbrenda [...]