Merge: update ACPI to Linux v6.7

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/3794

JIRA: https://issues.redhat.com/browse/RHEL-26871

Signed-off-by: Mark Langsdorf <mlangsdo@redhat.com>

Approved-by: John W. Linville <linville@redhat.com>
Approved-by: David Arcari <darcari@redhat.com>
Approved-by: Jerry Snitselaar <jsnitsel@redhat.com>
Approved-by: Rafael Aquini <aquini@redhat.com>
Approved-by: Wander Lairson Costa <wander@redhat.com>
Approved-by: Myron Stowe <mstowe@redhat.com>

Merged-by: Lucas Zampieri <lzampier@redhat.com>

Author: zampierilucas

Documentation/admin-guide/kernel-parameters.txt

@@ -6158,10 +6158,6 @@
 			-1: disable all critical trip points in all thermal zones
 			<degrees C>: override all critical trip points
 
-	thermal.nocrt=	[HW,ACPI]
-			Set to disable actions on ACPI thermal zone
-			critical and hot trip points.
-
 	thermal.off=	[HW,ACPI]
 			1: disable ACPI thermal control
 

MAINTAINERS

@@ -351,6 +351,8 @@ F:	drivers/pnp/pnpacpi/
 F:	include/acpi/
 F:	include/linux/acpi.h
 F:	include/linux/fwnode.h
+F:	include/linux/fw_table.h
+F:	lib/fw_table.c
 F:	tools/power/acpi/
 
 ACPI APEI

arch/arm64/include/asm/acpi.h

@@ -9,6 +9,7 @@
 #ifndef _ASM_ACPI_H
 #define _ASM_ACPI_H
 
+#include <linux/cpuidle.h>
 #include <linux/efi.h>
 #include <linux/memblock.h>
 #include <linux/psci.h>
@@ -42,6 +43,25 @@
 #define ACPI_MADT_GICC_SPE  (offsetof(struct acpi_madt_generic_interrupt, \
 	spe_interrupt) + sizeof(u16))
 
+/*
+ * Arm® Functional Fixed Hardware Specification Version 1.2.
+ * Table 2: Arm Architecture context loss flags
+ */
+#define CPUIDLE_CORE_CTXT		BIT(0) /* Core context Lost */
+
+static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
+{
+	if (arch_flags & CPUIDLE_CORE_CTXT)
+		return CPUIDLE_FLAG_TIMER_STOP;
+
+	return 0;
+}
+#define arch_get_idle_state_flags arch_get_idle_state_flags
+
+#define CPUIDLE_TRACE_CTXT		BIT(1) /* Trace context loss */
+#define CPUIDLE_GICR_CTXT		BIT(2) /* GICR */
+#define CPUIDLE_GICD_CTXT		BIT(3) /* GICD */
+
 /* Basic configuration for ACPI */
 #ifdef	CONFIG_ACPI
 pgprot_t __acpi_get_mem_attribute(phys_addr_t addr);

arch/arm64/kernel/smp.c

@@ -520,7 +520,7 @@ acpi_map_gic_cpu_interface(struct acpi_madt_generic_interrupt *processor)
 {
 	u64 hwid = processor->arm_mpidr;
 
-	if (!(processor->flags & ACPI_MADT_ENABLED)) {
+	if (!acpi_gicc_is_usable(processor)) {
 		pr_debug("skipping disabled CPU entry with 0x%llx MPIDR\n", hwid);
 		return;
 	}

arch/ia64/include/asm/acpi.h

@@ -11,7 +11,7 @@
 
 #ifdef __KERNEL__
 
-#include <acpi/pdc_intel.h>
+#include <acpi/proc_cap_intel.h>
 
 #include <linux/init.h>
 #include <linux/numa.h>
@@ -69,9 +69,9 @@ extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
 #endif
 
 static inline bool arch_has_acpi_pdc(void) { return true; }
-static inline void arch_acpi_set_pdc_bits(u32 *buf)
+static inline void arch_acpi_set_proc_cap_bits(u32 *cap)
 {
-	buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
+	*cap |= ACPI_PROC_CAP_EST_CAPABILITY_SMP;
 }
 
 #ifdef CONFIG_ACPI_NUMA

arch/x86/include/asm/acpi.h

@@ -6,7 +6,7 @@
  *  Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
  *  Copyright (C) 2001 Patrick Mochel <mochel@osdl.org>
  */
-#include <acpi/pdc_intel.h>
+#include <acpi/proc_cap_intel.h>
 
 #include <asm/numa.h>
 #include <asm/fixmap.h>
@@ -102,23 +102,31 @@ static inline bool arch_has_acpi_pdc(void)
 		c->x86_vendor == X86_VENDOR_CENTAUR);
 }
 
-static inline void arch_acpi_set_pdc_bits(u32 *buf)
+static inline void arch_acpi_set_proc_cap_bits(u32 *cap)
 {
 	struct cpuinfo_x86 *c = &cpu_data(0);
 
-	buf[2] |= ACPI_PDC_C_CAPABILITY_SMP;
+	*cap |= ACPI_PROC_CAP_C_CAPABILITY_SMP;
+
+	/* Enable coordination with firmware's _TSD info */
+	*cap |= ACPI_PROC_CAP_SMP_T_SWCOORD;
 
 	if (cpu_has(c, X86_FEATURE_EST))
-		buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
+		*cap |= ACPI_PROC_CAP_EST_CAPABILITY_SWSMP;
 
 	if (cpu_has(c, X86_FEATURE_ACPI))
-		buf[2] |= ACPI_PDC_T_FFH;
+		*cap |= ACPI_PROC_CAP_T_FFH;
+
+	if (cpu_has(c, X86_FEATURE_HWP))
+		*cap |= ACPI_PROC_CAP_COLLAB_PROC_PERF;
 
 	/*
-	 * If mwait/monitor is unsupported, C2/C3_FFH will be disabled
+	 * If mwait/monitor is unsupported, C_C1_FFH and
+	 * C2/C3_FFH will be disabled.
 	 */
-	if (!cpu_has(c, X86_FEATURE_MWAIT))
-		buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
+	if (!cpu_has(c, X86_FEATURE_MWAIT) ||
+	    boot_option_idle_override == IDLE_NOMWAIT)
+		*cap &= ~(ACPI_PROC_CAP_C_C1_FFH | ACPI_PROC_CAP_C_C2C3_FFH);
 }
 
 static inline bool acpi_has_cpu_in_madt(void)

arch/x86/mm/numa.c

@@ -964,7 +964,7 @@ static int __init cmp_memblk(const void *a, const void *b)
 	const struct numa_memblk *ma = *(const struct numa_memblk **)a;
 	const struct numa_memblk *mb = *(const struct numa_memblk **)b;
 
-	return ma->start - mb->start;
+	return (ma->start > mb->start) - (ma->start < mb->start);
 }
 
 static struct numa_memblk *numa_memblk_list[NR_NODE_MEMBLKS] __initdata;
@@ -974,14 +974,12 @@ static struct numa_memblk *numa_memblk_list[NR_NODE_MEMBLKS] __initdata;
  * @start: address to begin fill
  * @end: address to end fill
  *
- * Find and extend numa_meminfo memblks to cover the @start-@end
- * physical address range, such that the first memblk includes
- * @start, the last memblk includes @end, and any gaps in between
- * are filled.
+ * Find and extend numa_meminfo memblks to cover the physical
+ * address range @start-@end
  *
  * RETURNS:
  * 0		  : Success
- * NUMA_NO_MEMBLK : No memblk exists in @start-@end range
+ * NUMA_NO_MEMBLK : No memblks exist in address range @start-@end
  */
 
 int __init numa_fill_memblks(u64 start, u64 end)
@@ -993,17 +991,14 @@ int __init numa_fill_memblks(u64 start, u64 end)
 
 	/*
 	 * Create a list of pointers to numa_meminfo memblks that
-	 * overlap start, end. Exclude (start == bi->end) since
-	 * end addresses in both a CFMWS range and a memblk range
-	 * are exclusive.
-	 *
-	 * This list of pointers is used to make in-place changes
-	 * that fill out the numa_meminfo memblks.
+	 * overlap start, end. The list is used to make in-place
+	 * changes that fill out the numa_meminfo memblks.
 	 */
 	for (int i = 0; i < mi->nr_blks; i++) {
 		struct numa_memblk *bi = &mi->blk[i];
 
-		if (start < bi->end && end >= bi->start) {
+		if (memblock_addrs_overlap(start, end - start, bi->start,
+					   bi->end - bi->start)) {
 			blk[count] = &mi->blk[i];
 			count++;
 		}

arch/x86/xen/enlighten_pv.c

@@ -79,7 +79,7 @@
 #ifdef CONFIG_ACPI
 #include <linux/acpi.h>
 #include <asm/acpi.h>
-#include <acpi/pdc_intel.h>
+#include <acpi/proc_cap_intel.h>
 #include <acpi/processor.h>
 #include <xen/interface/platform.h>
 #endif
@@ -299,17 +299,17 @@ static bool __init xen_check_mwait(void)
 
 	native_cpuid(&ax, &bx, &cx, &dx);
 
-	/* Ask the Hypervisor whether to clear ACPI_PDC_C_C2C3_FFH. If so,
+	/* Ask the Hypervisor whether to clear ACPI_PROC_CAP_C_C2C3_FFH. If so,
 	 * don't expose MWAIT_LEAF and let ACPI pick the IOPORT version of C3.
 	 */
 	buf[0] = ACPI_PDC_REVISION_ID;
 	buf[1] = 1;
-	buf[2] = (ACPI_PDC_C_CAPABILITY_SMP | ACPI_PDC_EST_CAPABILITY_SWSMP);
+	buf[2] = (ACPI_PROC_CAP_C_CAPABILITY_SMP | ACPI_PROC_CAP_EST_CAPABILITY_SWSMP);
 
 	set_xen_guest_handle(op.u.set_pminfo.pdc, buf);
 
 	if ((HYPERVISOR_platform_op(&op) == 0) &&
-	    (buf[2] & (ACPI_PDC_C_C1_FFH | ACPI_PDC_C_C2C3_FFH))) {
+	    (buf[2] & (ACPI_PROC_CAP_C_C1_FFH | ACPI_PROC_CAP_C_C2C3_FFH))) {
 		cpuid_leaf5_ecx_val = cx;
 		cpuid_leaf5_edx_val = dx;
 	}

drivers/acpi/Kconfig

@@ -12,6 +12,7 @@ menuconfig ACPI
 	select PNP
 	select NLS
 	select CRC32
+	select FIRMWARE_TABLE
 	default y if X86
 	help
 	  Advanced Configuration and Power Interface (ACPI) support for 

drivers/acpi/Makefile

@@ -50,7 +50,6 @@ acpi-$(CONFIG_PCI)		+= acpi_lpss.o
 acpi-y				+= acpi_apd.o
 acpi-y				+= acpi_platform.o
 acpi-y				+= acpi_pnp.o
-acpi-$(CONFIG_ARM_AMBA)	+= acpi_amba.o
 acpi-y				+= power.o
 acpi-y				+= event.o
 acpi-y				+= evged.o