tjh.dev
+8
-6
arch/x86/kernel/apic/vector.c
+8
-6
arch/x86/kernel/apic/vector.c
···
838
838
bool managed = apicd->is_managed;
839
839
840
840
/*
841
-
* This should never happen. Managed interrupts are not
842
-
* migrated except on CPU down, which does not involve the
843
-
* cleanup vector. But try to keep the accounting correct
844
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* nevertheless.
841
+
* Managed interrupts are usually not migrated away
842
+
* from an online CPU, but CPU isolation 'managed_irq'
843
+
* can make that happen.
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* 1) Activation does not take the isolation into account
845
+
* to keep the code simple
846
+
* 2) Migration away from an isolated CPU can happen when
847
+
* a non-isolated CPU which is in the calculated
848
+
* affinity mask comes online.
845
849
*/
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WARN_ON_ONCE(managed);
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-
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trace_vector_free_moved(apicd->irq, cpu, vector, managed);
849
851
irq_matrix_free(vector_matrix, cpu, vector, managed);
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per_cpu(vector_irq, cpu)[vector] = VECTOR_UNUSED;
+18
arch/x86/mm/ioremap.c
+18
arch/x86/mm/ioremap.c
···
106
106
return 0;
107
107
}
108
108
109
+
/*
110
+
* The EFI runtime services data area is not covered by walk_mem_res(), but must
111
+
* be mapped encrypted when SEV is active.
112
+
*/
113
+
static void __ioremap_check_other(resource_size_t addr, struct ioremap_desc *desc)
114
+
{
115
+
if (!sev_active())
116
+
return;
117
+
118
+
if (efi_mem_type(addr) == EFI_RUNTIME_SERVICES_DATA)
119
+
desc->flags |= IORES_MAP_ENCRYPTED;
120
+
}
121
+
109
122
static int __ioremap_collect_map_flags(struct resource *res, void *arg)
110
123
{
111
124
struct ioremap_desc *desc = arg;
···
137
124
* To avoid multiple resource walks, this function walks resources marked as
138
125
* IORESOURCE_MEM and IORESOURCE_BUSY and looking for system RAM and/or a
139
126
* resource described not as IORES_DESC_NONE (e.g. IORES_DESC_ACPI_TABLES).
127
+
*
128
+
* After that, deal with misc other ranges in __ioremap_check_other() which do
129
+
* not fall into the above category.
140
130
*/
141
131
static void __ioremap_check_mem(resource_size_t addr, unsigned long size,
142
132
struct ioremap_desc *desc)
···
151
135
memset(desc, 0, sizeof(struct ioremap_desc));
152
136
153
137
walk_mem_res(start, end, desc, __ioremap_collect_map_flags);
138
+
139
+
__ioremap_check_other(addr, desc);
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140
}
155
141
156
142
/*