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From 44e8cdba29b932ee6fff7a2d00b09e6e78c3a0ef Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Wed, 11 Nov 2020 12:03:06 -0500
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Subject: [PATCH 06/18] s390/sclp: get machine once during read scp/cpu info
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RH-Author: Thomas Huth <thuth@redhat.com>
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Message-id: <20201111120316.707489-3-thuth@redhat.com>
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Patchwork-id: 99499
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O-Subject: [RHEL-8.4.0 qemu-kvm PATCH v2 02/12] s390/sclp: get machine once during read scp/cpu info
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Bugzilla: 1798506
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RH-Acked-by: Jens Freimann <jfreimann@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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From: Collin Walling <walling@linux.ibm.com>
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Functions within read scp/cpu info will need access to the machine
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state. Let's make a call to retrieve the machine state once and
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pass the appropriate data to the respective functions.
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Signed-off-by: Collin Walling <walling@linux.ibm.com>
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Reviewed-by: David Hildenbrand <david@redhat.com>
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
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Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
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Message-Id: <20200915194416.107460-2-walling@linux.ibm.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit 912d70d2755cb9b3144eeed4014580ebc5485ce6)
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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hw/s390x/sclp.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
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index d8ae207731f..fe7d0fece80 100644
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--- a/hw/s390x/sclp.c
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+++ b/hw/s390x/sclp.c
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@@ -49,9 +49,8 @@ static inline bool sclp_command_code_valid(uint32_t code)
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return false;
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}
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-static void prepare_cpu_entries(SCLPDevice *sclp, CPUEntry *entry, int *count)
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+static void prepare_cpu_entries(MachineState *ms, CPUEntry *entry, int *count)
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{
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- MachineState *ms = MACHINE(qdev_get_machine());
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uint8_t features[SCCB_CPU_FEATURE_LEN] = { 0 };
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int i;
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@@ -77,7 +76,7 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
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IplParameterBlock *ipib = s390_ipl_get_iplb();
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/* CPU information */
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- prepare_cpu_entries(sclp, read_info->entries, &cpu_count);
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+ prepare_cpu_entries(machine, read_info->entries, &cpu_count);
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read_info->entries_cpu = cpu_to_be16(cpu_count);
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read_info->offset_cpu = cpu_to_be16(offsetof(ReadInfo, entries));
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read_info->highest_cpu = cpu_to_be16(machine->smp.max_cpus - 1);
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@@ -132,10 +131,11 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
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/* Provide information about the CPU */
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static void sclp_read_cpu_info(SCLPDevice *sclp, SCCB *sccb)
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{
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+ MachineState *machine = MACHINE(qdev_get_machine());
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ReadCpuInfo *cpu_info = (ReadCpuInfo *) sccb;
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int cpu_count;
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- prepare_cpu_entries(sclp, cpu_info->entries, &cpu_count);
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+ prepare_cpu_entries(machine, cpu_info->entries, &cpu_count);
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cpu_info->nr_configured = cpu_to_be16(cpu_count);
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cpu_info->offset_configured = cpu_to_be16(offsetof(ReadCpuInfo, entries));
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cpu_info->nr_standby = cpu_to_be16(0);
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--
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2.27.0
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