Merge tag 'v6.6.85-rt53' into nilrt/master/6.6

Documentation/admin-guide/kernel-parameters.txt

@@ -3287,6 +3287,11 @@
 
 	mga=		[HW,DRM]
 
+	microcode.force_minrev=	[X86]
+			Format: <bool>
+			Enable or disable the microcode minimal revision
+			enforcement for the runtime microcode loader.
+
 	min_addr=nn[KMG]	[KNL,BOOT,IA-64] All physical memory below this
 			physical address is ignored.
 

Documentation/arch/arm64/elf_hwcaps.rst

@@ -174,22 +174,28 @@ HWCAP2_DCPODP
     Functionality implied by ID_AA64ISAR1_EL1.DPB == 0b0010.
 
 HWCAP2_SVE2
-    Functionality implied by ID_AA64ZFR0_EL1.SVEVer == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.SVEver == 0b0001.
 
 HWCAP2_SVEAES
-    Functionality implied by ID_AA64ZFR0_EL1.AES == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.AES == 0b0001.
 
 HWCAP2_SVEPMULL
-    Functionality implied by ID_AA64ZFR0_EL1.AES == 0b0010.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.AES == 0b0010.
 
 HWCAP2_SVEBITPERM
-    Functionality implied by ID_AA64ZFR0_EL1.BitPerm == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.BitPerm == 0b0001.
 
 HWCAP2_SVESHA3
-    Functionality implied by ID_AA64ZFR0_EL1.SHA3 == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.SHA3 == 0b0001.
 
 HWCAP2_SVESM4
-    Functionality implied by ID_AA64ZFR0_EL1.SM4 == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.SM4 == 0b0001.
 
 HWCAP2_FLAGM2
     Functionality implied by ID_AA64ISAR0_EL1.TS == 0b0010.
@@ -198,16 +204,20 @@ HWCAP2_FRINT
     Functionality implied by ID_AA64ISAR1_EL1.FRINTTS == 0b0001.
 
 HWCAP2_SVEI8MM
-    Functionality implied by ID_AA64ZFR0_EL1.I8MM == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.I8MM == 0b0001.
 
 HWCAP2_SVEF32MM
-    Functionality implied by ID_AA64ZFR0_EL1.F32MM == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.F32MM == 0b0001.
 
 HWCAP2_SVEF64MM
-    Functionality implied by ID_AA64ZFR0_EL1.F64MM == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.F64MM == 0b0001.
 
 HWCAP2_SVEBF16
-    Functionality implied by ID_AA64ZFR0_EL1.BF16 == 0b0001.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.BF16 == 0b0001.
 
 HWCAP2_I8MM
     Functionality implied by ID_AA64ISAR1_EL1.I8MM == 0b0001.
@@ -273,7 +283,8 @@ HWCAP2_EBF16
     Functionality implied by ID_AA64ISAR1_EL1.BF16 == 0b0010.
 
 HWCAP2_SVE_EBF16
-    Functionality implied by ID_AA64ZFR0_EL1.BF16 == 0b0010.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.BF16 == 0b0010.
 
 HWCAP2_CSSC
     Functionality implied by ID_AA64ISAR2_EL1.CSSC == 0b0001.
@@ -282,7 +293,8 @@ HWCAP2_RPRFM
     Functionality implied by ID_AA64ISAR2_EL1.RPRFM == 0b0001.
 
 HWCAP2_SVE2P1
-    Functionality implied by ID_AA64ZFR0_EL1.SVEver == 0b0010.
+    Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+    ID_AA64ZFR0_EL1.SVEver == 0b0010.
 
 HWCAP2_SME2
     Functionality implied by ID_AA64SMFR0_EL1.SMEver == 0b0001.

Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml

@@ -22,7 +22,7 @@ description:
   Each sub-node is identified using the node's name, with valid values listed
   for each of the pmics below.
 
-  For mp5496, s1, s2
+  For mp5496, s1, s2, l2, l5
 
   For pm2250, s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
   l12, l13, l14, l15, l16, l17, l18, l19, l20, l21, l22

Documentation/networking/strparser.rst

@@ -112,7 +112,7 @@ Functions
 Callbacks
 =========
 
-There are six callbacks:
+There are seven callbacks:
 
     ::
 
@@ -182,6 +182,13 @@ There are six callbacks:
     the length of the message. skb->len - offset may be greater
     then full_len since strparser does not trim the skb.
 
+    ::
+
+	int (*read_sock)(struct strparser *strp, read_descriptor_t *desc,
+                     sk_read_actor_t recv_actor);
+
+    The read_sock callback is used by strparser instead of
+    sock->ops->read_sock, if provided.
     ::
 
 	int (*read_sock_done)(struct strparser *strp, int err);

Documentation/timers/no_hz.rst

@@ -129,11 +129,8 @@ adaptive-tick CPUs:  At least one non-adaptive-tick CPU must remain
 online to handle timekeeping tasks in order to ensure that system
 calls like gettimeofday() returns accurate values on adaptive-tick CPUs.
 (This is not an issue for CONFIG_NO_HZ_IDLE=y because there are no running
-user processes to observe slight drifts in clock rate.)  Therefore, the
-boot CPU is prohibited from entering adaptive-ticks mode.  Specifying a
-"nohz_full=" mask that includes the boot CPU will result in a boot-time
-error message, and the boot CPU will be removed from the mask.  Note that
-this means that your system must have at least two CPUs in order for
+user processes to observe slight drifts in clock rate.) Note that this
+means that your system must have at least two CPUs in order for
 CONFIG_NO_HZ_FULL=y to do anything for you.
 
 Finally, adaptive-ticks CPUs must have their RCU callbacks offloaded.

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 6
-SUBLEVEL = 78
+SUBLEVEL = 85
 EXTRAVERSION =
 NAME = Pinguïn Aangedreven
 
@@ -1054,8 +1054,13 @@ LDFLAGS_vmlinux += --orphan-handling=$(CONFIG_LD_ORPHAN_WARN_LEVEL)
 endif
 
 # Align the bit size of userspace programs with the kernel
-KBUILD_USERCFLAGS  += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
-KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
+KBUILD_USERCFLAGS  += $(filter -m32 -m64 --target=%, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS))
+KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS))
+
+# userspace programs are linked via the compiler, use the correct linker
+ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_LD_IS_LLD),yy)
+KBUILD_USERLDFLAGS += $(call cc-option, --ld-path=$(LD))
+endif
 
 # make the checker run with the right architecture
 CHECKFLAGS += --arch=$(ARCH)
@@ -1348,18 +1353,13 @@ ifneq ($(wildcard $(resolve_btfids_O)),)
 	$(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(resolve_btfids_O) clean
 endif
 
-# Clear a bunch of variables before executing the submake
-ifeq ($(quiet),silent_)
-tools_silent=s
-endif
-
 tools/: FORCE
 	$(Q)mkdir -p $(objtree)/tools
-	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
+	$(Q)$(MAKE) LDFLAGS= O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
 
 tools/%: FORCE
 	$(Q)mkdir -p $(objtree)/tools
-	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
+	$(Q)$(MAKE) LDFLAGS= O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
 
 # ---------------------------------------------------------------------------
 # Kernel selftest

arch/alpha/include/asm/elf.h

@@ -74,7 +74,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */
-#define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)
+#define elf_check_arch(x) (((x)->e_machine == EM_ALPHA) && !((x)->e_flags & EF_ALPHA_32BIT))
 
 /*
  * These are used to set parameters in the core dumps.
@@ -139,10 +139,6 @@ extern int dump_elf_task(elf_greg_t *dest, struct task_struct *task);
 	: amask (AMASK_CIX) ? "ev6" : "ev67");	\
 })
 
-#define SET_PERSONALITY(EX)					\
-	set_personality(((EX).e_flags & EF_ALPHA_32BIT)		\
-	   ? PER_LINUX_32BIT : PER_LINUX)
-
 extern int alpha_l1i_cacheshape;
 extern int alpha_l1d_cacheshape;
 extern int alpha_l2_cacheshape;

arch/alpha/include/asm/pgtable.h

@@ -360,7 +360,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
 
 extern void paging_init(void);
 
-/* We have our own get_unmapped_area to cope with ADDR_LIMIT_32BIT.  */
+/* We have our own get_unmapped_area */
 #define HAVE_ARCH_UNMAPPED_AREA
 
 #endif /* _ALPHA_PGTABLE_H */

arch/alpha/include/asm/processor.h

@@ -8,23 +8,19 @@
 #ifndef __ASM_ALPHA_PROCESSOR_H
 #define __ASM_ALPHA_PROCESSOR_H
 
-#include <linux/personality.h>	/* for ADDR_LIMIT_32BIT */
-
 /*
  * We have a 42-bit user address space: 4TB user VM...
  */
 #define TASK_SIZE (0x40000000000UL)
 
-#define STACK_TOP \
-  (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL)
+#define STACK_TOP (0x00120000000UL)
 
 #define STACK_TOP_MAX	0x00120000000UL
 
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.
  */
-#define TASK_UNMAPPED_BASE \
-  ((current->personality & ADDR_LIMIT_32BIT) ? 0x40000000 : TASK_SIZE / 2)
+#define TASK_UNMAPPED_BASE (TASK_SIZE / 2)
 
 /* This is dead.  Everything has been moved to thread_info.  */
 struct thread_struct { };

arch/alpha/include/uapi/asm/ptrace.h

@@ -42,6 +42,8 @@ struct pt_regs {
 	unsigned long trap_a0;
 	unsigned long trap_a1;
 	unsigned long trap_a2;
+/* This makes the stack 16-byte aligned as GCC expects */
+	unsigned long __pad0;
 /* These are saved by PAL-code: */
 	unsigned long ps;
 	unsigned long pc;

arch/alpha/kernel/asm-offsets.c

@@ -34,7 +34,9 @@ void foo(void)
         DEFINE(CRED_EGID, offsetof(struct cred, egid));
         BLANK();
 
+	DEFINE(SP_OFF, offsetof(struct pt_regs, ps));
 	DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
+	DEFINE(SWITCH_STACK_SIZE, sizeof(struct switch_stack));
 	DEFINE(PT_PTRACED, PT_PTRACED);
 	DEFINE(CLONE_VM, CLONE_VM);
 	DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);

arch/alpha/kernel/entry.S

@@ -15,10 +15,6 @@
 	.set noat
 	.cfi_sections	.debug_frame
 
-/* Stack offsets.  */
-#define SP_OFF			184
-#define SWITCH_STACK_SIZE	64
-
 .macro	CFI_START_OSF_FRAME	func
 	.align	4
 	.globl	\func
@@ -198,8 +194,8 @@ CFI_END_OSF_FRAME entArith
 CFI_START_OSF_FRAME entMM
 	SAVE_ALL
 /* save $9 - $15 so the inline exception code can manipulate them.  */
-	subq	$sp, 56, $sp
-	.cfi_adjust_cfa_offset	56
+	subq	$sp, 64, $sp
+	.cfi_adjust_cfa_offset	64
 	stq	$9, 0($sp)
 	stq	$10, 8($sp)
 	stq	$11, 16($sp)
@@ -214,7 +210,7 @@ CFI_START_OSF_FRAME entMM
 	.cfi_rel_offset	$13, 32
 	.cfi_rel_offset	$14, 40
 	.cfi_rel_offset	$15, 48
-	addq	$sp, 56, $19
+	addq	$sp, 64, $19
 /* handle the fault */
 	lda	$8, 0x3fff
 	bic	$sp, $8, $8
@@ -227,15 +223,15 @@ CFI_START_OSF_FRAME entMM
 	ldq	$13, 32($sp)
 	ldq	$14, 40($sp)
 	ldq	$15, 48($sp)
-	addq	$sp, 56, $sp
+	addq	$sp, 64, $sp
 	.cfi_restore	$9
 	.cfi_restore	$10
 	.cfi_restore	$11
 	.cfi_restore	$12
 	.cfi_restore	$13
 	.cfi_restore	$14
 	.cfi_restore	$15
-	.cfi_adjust_cfa_offset	-56
+	.cfi_adjust_cfa_offset	-64
 /* finish up the syscall as normal.  */
 	br	ret_from_sys_call
 CFI_END_OSF_FRAME entMM
@@ -382,8 +378,8 @@ entUnaUser:
 	.cfi_restore	$0
 	.cfi_adjust_cfa_offset	-256
 	SAVE_ALL		/* setup normal kernel stack */
-	lda	$sp, -56($sp)
-	.cfi_adjust_cfa_offset	56
+	lda	$sp, -64($sp)
+	.cfi_adjust_cfa_offset	64
 	stq	$9, 0($sp)
 	stq	$10, 8($sp)
 	stq	$11, 16($sp)
@@ -399,7 +395,7 @@ entUnaUser:
 	.cfi_rel_offset	$14, 40
 	.cfi_rel_offset	$15, 48
 	lda	$8, 0x3fff
-	addq	$sp, 56, $19
+	addq	$sp, 64, $19
 	bic	$sp, $8, $8
 	jsr	$26, do_entUnaUser
 	ldq	$9, 0($sp)
@@ -409,15 +405,15 @@ entUnaUser:
 	ldq	$13, 32($sp)
 	ldq	$14, 40($sp)
 	ldq	$15, 48($sp)
-	lda	$sp, 56($sp)
+	lda	$sp, 64($sp)
 	.cfi_restore	$9
 	.cfi_restore	$10
 	.cfi_restore	$11
 	.cfi_restore	$12
 	.cfi_restore	$13
 	.cfi_restore	$14
 	.cfi_restore	$15
-	.cfi_adjust_cfa_offset	-56
+	.cfi_adjust_cfa_offset	-64
 	br	ret_from_sys_call
 CFI_END_OSF_FRAME entUna
 

arch/alpha/kernel/osf_sys.c

@@ -1211,8 +1211,7 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
 	return ret;
 }
 
-/* Get an address range which is currently unmapped.  Similar to the
-   generic version except that we know how to honor ADDR_LIMIT_32BIT.  */
+/* Get an address range which is currently unmapped. */
 
 static unsigned long
 arch_get_unmapped_area_1(unsigned long addr, unsigned long len,
@@ -1234,13 +1233,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 		       unsigned long len, unsigned long pgoff,
 		       unsigned long flags)
 {
-	unsigned long limit;
-
-	/* "32 bit" actually means 31 bit, since pointers sign extend.  */
-	if (current->personality & ADDR_LIMIT_32BIT)
-		limit = 0x80000000;
-	else
-		limit = TASK_SIZE;
+	unsigned long limit = TASK_SIZE;
 
 	if (len > limit)
 		return -ENOMEM;

arch/alpha/kernel/traps.c

@@ -707,7 +707,7 @@ s_reg_to_mem (unsigned long s_reg)
 static int unauser_reg_offsets[32] = {
 	R(r0), R(r1), R(r2), R(r3), R(r4), R(r5), R(r6), R(r7), R(r8),
 	/* r9 ... r15 are stored in front of regs.  */
-	-56, -48, -40, -32, -24, -16, -8,
+	-64, -56, -48, -40, -32, -24, -16,	/* padding at -8 */
 	R(r16), R(r17), R(r18),
 	R(r19), R(r20), R(r21), R(r22), R(r23), R(r24), R(r25), R(r26),
 	R(r27), R(r28), R(gp),

arch/alpha/mm/fault.c

@@ -78,8 +78,8 @@ __load_new_mm_context(struct mm_struct *next_mm)
 
 /* Macro for exception fixup code to access integer registers.  */
 #define dpf_reg(r)							\
-	(((unsigned long *)regs)[(r) <= 8 ? (r) : (r) <= 15 ? (r)-16 :	\
-				 (r) <= 18 ? (r)+10 : (r)-10])
+	(((unsigned long *)regs)[(r) <= 8 ? (r) : (r) <= 15 ? (r)-17 :	\
+				 (r) <= 18 ? (r)+11 : (r)-10])
 
 asmlinkage void
 do_page_fault(unsigned long address, unsigned long mmcsr,