kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/x86/kernel/acpi/boot.c
..
..
@@ -1,26 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  boot.c - Architecture-Specific Low-Level ACPI Boot Support
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  *
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  *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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  *  Copyright (C) 2001 Jun Nakajima <jun.nakajima@intel.com>
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- *
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- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2 of the License, or
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- *  (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to the Free Software
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- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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- *
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- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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7
  */
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8
 
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 #include <linux/init.h>
..
..
@@ -32,22 +15,23 @@
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15
 #include <linux/dmi.h>
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 #include <linux/irq.h>
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 #include <linux/slab.h>
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-#include <linux/bootmem.h>
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+#include <linux/memblock.h>
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 #include <linux/ioport.h>
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 #include <linux/pci.h>
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21
 #include <linux/efi-bgrt.h>
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22
 #include <linux/serial_core.h>
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+#include <linux/pgtable.h>
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24
 
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 #include <asm/e820/api.h>
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26
 #include <asm/irqdomain.h>
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27
 #include <asm/pci_x86.h>
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-#include <asm/pgtable.h>
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28
 #include <asm/io_apic.h>
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 #include <asm/apic.h>
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30
 #include <asm/io.h>
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31
 #include <asm/mpspec.h>
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32
 #include <asm/smp.h>
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33
 #include <asm/i8259.h>
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+#include <asm/setup.h>
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35
 
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 #include "sleep.h" /* To include x86_acpi_suspend_lowlevel */
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37
 static int __initdata acpi_force = 0;
..
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@@ -61,6 +45,7 @@
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 #define PREFIX			"ACPI: "
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46
 
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 int acpi_noirq;				/* skip ACPI IRQ initialization */
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+static int acpi_nobgrt;			/* skip ACPI BGRT */
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 int acpi_pci_disabled;		/* skip ACPI PCI scan and IRQ initialization */
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 EXPORT_SYMBOL(acpi_pci_disabled);
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51
 
..
..
@@ -196,7 +181,7 @@
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181
 }
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182
 
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 static int __init
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-acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
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+acpi_parse_x2apic(union acpi_subtable_headers *header, const unsigned long end)
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185
 {
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186
 	struct acpi_madt_local_x2apic *processor = NULL;
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187
 #ifdef CONFIG_X86_X2APIC
..
..
@@ -209,7 +194,7 @@
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194
 	if (BAD_MADT_ENTRY(processor, end))
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195
 		return -EINVAL;
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196
 
212
-	acpi_table_print_madt_entry(header);
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+	acpi_table_print_madt_entry(&header->common);
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198
 
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 #ifdef CONFIG_X86_X2APIC
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 	apic_id = processor->local_apic_id;
..
..
@@ -241,7 +226,7 @@
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226
 }
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227
 
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 static int __init
244
-acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end)
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+acpi_parse_lapic(union acpi_subtable_headers * header, const unsigned long end)
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230
 {
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231
 	struct acpi_madt_local_apic *processor = NULL;
247
232
 
..
..
@@ -250,7 +235,7 @@
250
235
 	if (BAD_MADT_ENTRY(processor, end))
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236
 		return -EINVAL;
252
237
 
253
-	acpi_table_print_madt_entry(header);
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+	acpi_table_print_madt_entry(&header->common);
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239
 
255
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 	/* Ignore invalid ID */
256
241
 	if (processor->id == 0xff)
..
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@@ -271,7 +256,7 @@
271
256
 }
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257
 
273
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 static int __init
274
-acpi_parse_sapic(struct acpi_subtable_header *header, const unsigned long end)
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+acpi_parse_sapic(union acpi_subtable_headers *header, const unsigned long end)
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260
 {
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261
 	struct acpi_madt_local_sapic *processor = NULL;
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262
 
..
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@@ -280,7 +265,7 @@
280
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 	if (BAD_MADT_ENTRY(processor, end))
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266
 		return -EINVAL;
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267
 
283
-	acpi_table_print_madt_entry(header);
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+	acpi_table_print_madt_entry(&header->common);
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269
 
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 	acpi_register_lapic((processor->id << 8) | processor->eid,/* APIC ID */
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 			    processor->processor_id, /* ACPI ID */
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@@ -290,7 +275,7 @@
290
275
 }
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276
 
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 static int __init
293
-acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
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+acpi_parse_lapic_addr_ovr(union acpi_subtable_headers * header,
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279
 			  const unsigned long end)
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 {
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 	struct acpi_madt_local_apic_override *lapic_addr_ovr = NULL;
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@@ -300,7 +285,7 @@
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 	if (BAD_MADT_ENTRY(lapic_addr_ovr, end))
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 		return -EINVAL;
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287
 
303
-	acpi_table_print_madt_entry(header);
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+	acpi_table_print_madt_entry(&header->common);
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289
 
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 	acpi_lapic_addr = lapic_addr_ovr->address;
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291
 
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@@ -308,7 +293,7 @@
308
293
 }
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294
 
310
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 static int __init
311
-acpi_parse_x2apic_nmi(struct acpi_subtable_header *header,
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+acpi_parse_x2apic_nmi(union acpi_subtable_headers *header,
312
297
 		      const unsigned long end)
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 {
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 	struct acpi_madt_local_x2apic_nmi *x2apic_nmi = NULL;
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@@ -318,7 +303,7 @@
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 	if (BAD_MADT_ENTRY(x2apic_nmi, end))
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 		return -EINVAL;
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305
 
321
-	acpi_table_print_madt_entry(header);
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+	acpi_table_print_madt_entry(&header->common);
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307
 
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 	if (x2apic_nmi->lint != 1)
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 		printk(KERN_WARNING PREFIX "NMI not connected to LINT 1!\n");
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@@ -327,7 +312,7 @@
327
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 }
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313
 
329
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 static int __init
330
-acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
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+acpi_parse_lapic_nmi(union acpi_subtable_headers * header, const unsigned long end)
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 {
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 	struct acpi_madt_local_apic_nmi *lapic_nmi = NULL;
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@@ -336,7 +321,7 @@
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 	if (BAD_MADT_ENTRY(lapic_nmi, end))
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 		return -EINVAL;
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323
 
339
-	acpi_table_print_madt_entry(header);
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+	acpi_table_print_madt_entry(&header->common);
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 	if (lapic_nmi->lint != 1)
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 		printk(KERN_WARNING PREFIX "NMI not connected to LINT 1!\n");
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@@ -448,7 +433,7 @@
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 }
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 static int __init
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-acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
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+acpi_parse_ioapic(union acpi_subtable_headers * header, const unsigned long end)
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 {
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 	struct acpi_madt_io_apic *ioapic = NULL;
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 	struct ioapic_domain_cfg cfg = {
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@@ -461,7 +446,7 @@
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 	if (BAD_MADT_ENTRY(ioapic, end))
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 		return -EINVAL;
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448
 
464
-	acpi_table_print_madt_entry(header);
449
+	acpi_table_print_madt_entry(&header->common);
465
450
 
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 	/* Statically assign IRQ numbers for IOAPICs hosting legacy IRQs */
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 	if (ioapic->global_irq_base < nr_legacy_irqs())
..
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@@ -507,7 +492,7 @@
507
492
 }
508
493
 
509
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 static int __init
510
-acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
495
+acpi_parse_int_src_ovr(union acpi_subtable_headers * header,
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496
 		       const unsigned long end)
512
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 {
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498
 	struct acpi_madt_interrupt_override *intsrc = NULL;
..
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@@ -517,7 +502,7 @@
517
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 	if (BAD_MADT_ENTRY(intsrc, end))
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 		return -EINVAL;
519
504
 
520
-	acpi_table_print_madt_entry(header);
505
+	acpi_table_print_madt_entry(&header->common);
521
506
 
522
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 	if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) {
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 		acpi_sci_ioapic_setup(intsrc->source_irq,
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@@ -549,7 +534,7 @@
549
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 }
550
535
 
551
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 static int __init
552
-acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
537
+acpi_parse_nmi_src(union acpi_subtable_headers * header, const unsigned long end)
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538
 {
554
539
 	struct acpi_madt_nmi_source *nmi_src = NULL;
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540
 
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@@ -558,7 +543,7 @@
558
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 	if (BAD_MADT_ENTRY(nmi_src, end))
559
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 		return -EINVAL;
560
545
 
561
-	acpi_table_print_madt_entry(header);
546
+	acpi_table_print_madt_entry(&header->common);
562
547
 
563
548
 	/* TBD: Support nimsrc entries? */
564
549
 
..
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@@ -847,7 +832,7 @@
847
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 /**
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  * acpi_ioapic_registered - Check whether IOAPIC assoicatied with @gsi_base
849
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  *			    has been registered
850
- * @handle:	ACPI handle of the IOAPIC deivce
835
+ * @handle:	ACPI handle of the IOAPIC device
851
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  * @gsi_base:	GSI base associated with the IOAPIC
852
837
  *
853
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  * Assume caller holds some type of lock to serialize acpi_ioapic_registered()
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@@ -932,7 +917,11 @@
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 	 * the resource tree during the lateinit timeframe.
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918
 	 */
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 #define HPET_RESOURCE_NAME_SIZE 9
935
-	hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);
920
+	hpet_res = memblock_alloc(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE,
921
+				  SMP_CACHE_BYTES);
922
+	if (!hpet_res)
923
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
924
+		      sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);
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925
 
937
926
 	hpet_res->name = (void *)&hpet_res[1];
938
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 	hpet_res->flags = IORESOURCE_MEM;
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@@ -1351,6 +1340,17 @@
1351
1340
 	return 0;
1352
1341
 }
1353
1342
 
1343
+static int __init disable_acpi_xsdt(const struct dmi_system_id *d)
1344
+{
1345
+	if (!acpi_force) {
1346
+		pr_notice("%s detected: force use of acpi=rsdt\n", d->ident);
1347
+		acpi_gbl_do_not_use_xsdt = TRUE;
1348
+	} else {
1349
+		pr_notice("Warning: DMI blacklist says broken, but acpi XSDT forced\n");
1350
+	}
1351
+	return 0;
1352
+}
1353
+
1354
1354
 static int __init dmi_disable_acpi(const struct dmi_system_id *d)
1355
1355
 {
1356
1356
 	if (!acpi_force) {
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@@ -1473,6 +1473,19 @@
1473
1473
 	 .matches = {
1474
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 		     DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1475
1475
 		     DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
1476
+		     },
1477
+	 },
1478
+	/*
1479
+	 * Boxes that need ACPI XSDT use disabled due to corrupted tables
1480
+	 */
1481
+	{
1482
+	 .callback = disable_acpi_xsdt,
1483
+	 .ident = "Advantech DAC-BJ01",
1484
+	 .matches = {
1485
+		     DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
1486
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Bearlake CRB Board"),
1487
+		     DMI_MATCH(DMI_BIOS_VERSION, "V1.12"),
1488
+		     DMI_MATCH(DMI_BIOS_DATE, "02/01/2011"),
1476
1489
 		     },
1477
1490
 	 },
1478
1491
 	{}
..
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@@ -1630,7 +1643,7 @@
1630
1643
 	acpi_process_madt();
1631
1644
 
1632
1645
 	acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet);
1633
-	if (IS_ENABLED(CONFIG_ACPI_BGRT))
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+	if (IS_ENABLED(CONFIG_ACPI_BGRT) && !acpi_nobgrt)
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 		acpi_table_parse(ACPI_SIG_BGRT, acpi_parse_bgrt);
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1649
 	if (!acpi_noirq)
..
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@@ -1681,6 +1694,13 @@
1681
1694
 	return 0;
1682
1695
 }
1683
1696
 early_param("acpi", parse_acpi);
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+
1698
+static int __init parse_acpi_bgrt(char *arg)
1699
+{
1700
+	acpi_nobgrt = true;
1701
+	return 0;
1702
+}
1703
+early_param("bgrt_disable", parse_acpi_bgrt);
1684
1704
 
1685
1705
 /* FIXME: Using pci= for an ACPI parameter is a travesty. */
1686
1706
 static int __init parse_pci(char *arg)
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@@ -1770,3 +1790,13 @@
1770
1790
 	e820__range_add(addr, size, E820_TYPE_ACPI);
1771
1791
 	e820__update_table_print();
1772
1792
 }
1793
+
1794
+void x86_default_set_root_pointer(u64 addr)
1795
+{
1796
+	boot_params.acpi_rsdp_addr = addr;
1797
+}
1798
+
1799
+u64 x86_default_get_root_pointer(void)
1800
+{
1801
+	return boot_params.acpi_rsdp_addr;
1802
+}