Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

include/net/sock.h 310731e ("net: Fix data-races around sysctl_mem.") e70f3c7 ("Revert "net: set SK_MEM_QUANTUM to 4096"") https://lore.kernel.org/all/[email protected]/ net/ipv4/fib_semantics.c 747c143 ("ip: fix dflt addr selection for connected nexthop") d62607c ("net: rename reference+tracking helpers") net/tls/tls.h include/net/tls.h 3d8c51b ("net/tls: Check for errors in tls_device_init") 5879031 ("tls: create an internal header") Signed-off-by: Jakub Kicinski <[email protected]>
adrianhajdin · Jul 14, 2022 · 816cd16 · 816cd16
2 parents b126047 + db88697
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diff --git a/.mailmap b/.mailmap
@@ -64,6 +64,9 @@ Bart Van Assche <[email protected]> <[email protected]>
 Bart Van Assche <[email protected]> <[email protected]>
 Ben Gardner <[email protected]>
 Ben M Cahill <[email protected]>
+Ben Widawsky <[email protected]> <[email protected]>
+Ben Widawsky <[email protected]> <[email protected]>
+Ben Widawsky <[email protected]> <[email protected]>
 Björn Steinbrink <[email protected]>
 Björn Töpel <[email protected]> <[email protected]>
 Björn Töpel <[email protected]> <[email protected]>

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
@@ -5197,6 +5197,30 @@
 
 	retain_initrd	[RAM] Keep initrd memory after extraction
 
+	retbleed=	[X86] Control mitigation of RETBleed (Arbitrary
+			Speculative Code Execution with Return Instructions)
+			vulnerability.
+
+			off          - no mitigation
+			auto         - automatically select a migitation
+			auto,nosmt   - automatically select a mitigation,
+				       disabling SMT if necessary for
+				       the full mitigation (only on Zen1
+				       and older without STIBP).
+			ibpb	     - mitigate short speculation windows on
+				       basic block boundaries too. Safe, highest
+				       perf impact.
+			unret        - force enable untrained return thunks,
+				       only effective on AMD f15h-f17h
+				       based systems.
+			unret,nosmt  - like unret, will disable SMT when STIBP
+			               is not available.
+
+			Selecting 'auto' will choose a mitigation method at run
+			time according to the CPU.
+
+			Not specifying this option is equivalent to retbleed=auto.
+
 	rfkill.default_state=
 		0	"airplane mode".  All wifi, bluetooth, wimax, gps, fm,
 			etc. communication is blocked by default.
@@ -5568,6 +5592,7 @@
 			eibrs		  - enhanced IBRS
 			eibrs,retpoline   - enhanced IBRS + Retpolines
 			eibrs,lfence      - enhanced IBRS + LFENCE
+			ibrs		  - use IBRS to protect kernel
 
 			Not specifying this option is equivalent to
 			spectre_v2=auto.

diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst
@@ -223,7 +223,7 @@ Module Loading
 Inter Module support
 --------------------
 
-Refer to the file kernel/module.c for more information.
+Refer to the files in kernel/module/ for more information.
 
 Hardware Interfaces
 ===================

diff --git a/Documentation/core-api/symbol-namespaces.rst b/Documentation/core-api/symbol-namespaces.rst
@@ -51,8 +51,8 @@ namespace ``USB_STORAGE``, use::
 The corresponding ksymtab entry struct ``kernel_symbol`` will have the member
 ``namespace`` set accordingly. A symbol that is exported without a namespace will
 refer to ``NULL``. There is no default namespace if none is defined. ``modpost``
-and kernel/module.c make use the namespace at build time or module load time,
-respectively.
+and kernel/module/main.c make use the namespace at build time or module load
+time, respectively.
 
 2.2 Using the DEFAULT_SYMBOL_NAMESPACE define
 =============================================

diff --git a/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml b/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml
@@ -67,7 +67,7 @@ if:
 then:
   properties:
     clocks:
-      maxItems: 2
+      minItems: 2
 
   required:
     - clock-names

diff --git a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.yaml b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Qualcomm Atheros ath9k wireless devices Generic Binding
 
 maintainers:
-  - Kalle Valo <[email protected]>
+  - Toke Høiland-Jørgensen <[email protected]>
 
 description: |
   This node provides properties for configuring the ath9k wireless device.

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
@@ -9,7 +9,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Qualcomm Technologies ath11k wireless devices Generic Binding
 
 maintainers:
-  - Kalle Valo <kvalo@codeaurora.org>
+  - Kalle Valo <kvalo@kernel.org>
 
 description: |
   These are dt entries for Qualcomm Technologies, Inc. IEEE 802.11ax

diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
@@ -25,12 +25,12 @@ properties:
       - qcom,sc7280-lpass-cpu
 
   reg:
-    minItems: 2
+    minItems: 1
     maxItems: 6
     description: LPAIF core registers
 
   reg-names:
-    minItems: 2
+    minItems: 1
     maxItems: 6
 
   clocks:
@@ -42,12 +42,12 @@ properties:
     maxItems: 10
 
   interrupts:
-    minItems: 2
+    minItems: 1
     maxItems: 4
     description: LPAIF DMA buffer interrupt
 
   interrupt-names:
-    minItems: 2
+    minItems: 1
     maxItems: 4
 
   qcom,adsp:

diff --git a/Documentation/filesystems/overlayfs.rst b/Documentation/filesystems/overlayfs.rst
@@ -466,6 +466,10 @@ overlay filesystem and the value of st_ino for filesystem objects may not be
 persistent and could change even while the overlay filesystem is mounted, as
 summarized in the `Inode properties`_ table above.
 
+4) "idmapped mounts"
+When the upper or lower layers are idmapped mounts overlayfs will be mounted
+without support for POSIX Access Control Lists (ACLs). This limitation will
+eventually be lifted.
 
 Changes to underlying filesystems
 ---------------------------------

diff --git a/Documentation/livepatch/module-elf-format.rst b/Documentation/livepatch/module-elf-format.rst
@@ -210,11 +210,11 @@ module->symtab.
 =====================================
 Normally, a stripped down copy of a module's symbol table (containing only
 "core" symbols) is made available through module->symtab (See layout_symtab()
-in kernel/module.c). For livepatch modules, the symbol table copied into memory
-on module load must be exactly the same as the symbol table produced when the
-patch module was compiled. This is because the relocations in each livepatch
-relocation section refer to their respective symbols with their symbol indices,
-and the original symbol indices (and thus the symtab ordering) must be
+in kernel/module/kallsyms.c). For livepatch modules, the symbol table copied
+into memory on module load must be exactly the same as the symbol table produced
+when the patch module was compiled. This is because the relocations in each
+livepatch relocation section refer to their respective symbols with their symbol
+indices, and the original symbol indices (and thus the symtab ordering) must be
 preserved in order for apply_relocate_add() to find the right symbol.
 
 For example, take this particular rela from a livepatch module:::

diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
@@ -1091,7 +1091,7 @@ cipso_cache_enable - BOOLEAN
 cipso_cache_bucket_size - INTEGER
 	The CIPSO label cache consists of a fixed size hash table with each
 	hash bucket containing a number of cache entries.  This variable limits
-	the number of entries in each hash bucket; the larger the value the
+	the number of entries in each hash bucket; the larger the value is, the
 	more CIPSO label mappings that can be cached.  When the number of
 	entries in a given hash bucket reaches this limit adding new entries
 	causes the oldest entry in the bucket to be removed to make room.
@@ -1185,7 +1185,7 @@ ip_autobind_reuse - BOOLEAN
 	option should only be set by experts.
 	Default: 0
 
-ip_dynaddr - BOOLEAN
+ip_dynaddr - INTEGER
 	If set non-zero, enables support for dynamic addresses.
 	If set to a non-zero value larger than 1, a kernel log
 	message will be printed when dynamic address rewriting

diff --git a/Documentation/sound/soc/dai.rst b/Documentation/sound/soc/dai.rst
@@ -10,7 +10,7 @@ AC97
 ====
 
 AC97 is a five wire interface commonly found on many PC sound cards. It is
-now also popular in many portable devices. This DAI has a reset line and time
+now also popular in many portable devices. This DAI has a RESET line and time
 multiplexes its data on its SDATA_OUT (playback) and SDATA_IN (capture) lines.
 The bit clock (BCLK) is always driven by the CODEC (usually 12.288MHz) and the
 frame (FRAME) (usually 48kHz) is always driven by the controller. Each AC97

diff --git a/Documentation/translations/it_IT/core-api/symbol-namespaces.rst b/Documentation/translations/it_IT/core-api/symbol-namespaces.rst
@@ -50,9 +50,9 @@ Di conseguenza, nella tabella dei simboli del kernel ci sarà una voce
 rappresentata dalla struttura ``kernel_symbol`` che avrà il campo
 ``namespace`` (spazio dei nomi) impostato. Un simbolo esportato senza uno spazio
 dei nomi avrà questo campo impostato a ``NULL``. Non esiste uno spazio dei nomi
-di base. Il programma ``modpost`` e il codice in kernel/module.c usano lo spazio
-dei nomi, rispettivamente, durante la compilazione e durante il caricamento
-di un modulo.
+di base. Il programma ``modpost`` e il codice in kernel/module/main.c usano lo
+spazio dei nomi, rispettivamente, durante la compilazione e durante il
+caricamento di un modulo.
 
 2.2 Usare il simbolo di preprocessore DEFAULT_SYMBOL_NAMESPACE
 ==============================================================

diff --git a/Documentation/translations/zh_CN/core-api/kernel-api.rst b/Documentation/translations/zh_CN/core-api/kernel-api.rst
@@ -224,7 +224,7 @@ kernel/kmod.c
 模块接口支持
 ------------
 
-更多信息请参考文件kernel/module.c。
+更多信息请参阅kernel/module/目录下的文件。
 
 硬件接口
 ========

diff --git a/Documentation/translations/zh_CN/core-api/symbol-namespaces.rst b/Documentation/translations/zh_CN/core-api/symbol-namespaces.rst
@@ -52,7 +52,7 @@
 
 相应的 ksymtab 条目结构体 ``kernel_symbol`` 将有相应的成员 ``命名空间`` 集。
 导出时未指明命名空间的符号将指向 ``NULL`` 。如果没有定义命名空间，则默认没有。
-``modpost`` 和kernel/module.c分别在构建时或模块加载时使用名称空间。
+``modpost`` 和kernel/module/main.c分别在构建时或模块加载时使用名称空间。
 
 2.2 使用DEFAULT_SYMBOL_NAMESPACE定义
 ====================================

diff --git a/MAINTAINERS b/MAINTAINERS
@@ -425,7 +425,6 @@ F:	drivers/acpi/*thermal*
 ACPI VIOT DRIVER
 M:	Jean-Philippe Brucker <[email protected]>
 L:	[email protected]
-L:	[email protected]
 L:	[email protected]
 S:	Maintained
 F:	drivers/acpi/viot.c
@@ -959,7 +958,6 @@ F:	drivers/video/fbdev/geode/
 AMD IOMMU (AMD-VI)
 M:	Joerg Roedel <[email protected]>
 R:	Suravee Suthikulpanit <[email protected]>
-L:	[email protected]
 L:	[email protected]
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
@@ -1039,6 +1037,7 @@ F:	arch/arm64/boot/dts/amd/
 
 AMD XGBE DRIVER
 M:	Tom Lendacky <[email protected]>
+M:	"Shyam Sundar S K" <[email protected]>
 L:	[email protected]
 S:	Supported
 F:	arch/arm64/boot/dts/amd/amd-seattle-xgbe*.dtsi
@@ -5102,7 +5101,7 @@ COMPUTE EXPRESS LINK (CXL)
 M:	Alison Schofield <[email protected]>
 M:	Vishal Verma <[email protected]>
 M:	Ira Weiny <[email protected]>
-M:	Ben Widawsky <[email protected]>
+M:	Ben Widawsky <[email protected]>
 M:	Dan Williams <[email protected]>
 L:	[email protected]
 S:	Maintained
@@ -6054,7 +6053,6 @@ DMA MAPPING HELPERS
 M:	Christoph Hellwig <[email protected]>
 M:	Marek Szyprowski <[email protected]>
 R:	Robin Murphy <[email protected]>
-L:	[email protected]
 L:	[email protected]
 S:	Supported
 W:	http://git.infradead.org/users/hch/dma-mapping.git
@@ -6067,7 +6065,6 @@ F:	kernel/dma/
 
 DMA MAPPING BENCHMARK
 M:	Xiang Chen <[email protected]>
-L:	[email protected]
 L:	[email protected]
 F:	kernel/dma/map_benchmark.c
 F:	tools/testing/selftests/dma/
@@ -7666,7 +7663,6 @@ F:	drivers/gpu/drm/exynos/exynos_dp*
 
 EXYNOS SYSMMU (IOMMU) driver
 M:	Marek Szyprowski <[email protected]>
-L:	[email protected]
 L:	[email protected]
 S:	Maintained
 F:	drivers/iommu/exynos-iommu.c
@@ -10091,7 +10087,6 @@ F:	drivers/hid/intel-ish-hid/
 INTEL IOMMU (VT-d)
 M:	David Woodhouse <[email protected]>
 M:	Lu Baolu <[email protected]>
-L:	[email protected]
 L:	[email protected]
 S:	Supported
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
@@ -10471,7 +10466,6 @@ F:	include/linux/iomap.h
 IOMMU DRIVERS
 M:	Joerg Roedel <[email protected]>
 M:	Will Deacon <[email protected]>
-L:	[email protected]
 L:	[email protected]
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
@@ -12631,7 +12625,6 @@ F:	drivers/i2c/busses/i2c-mt65xx.c
 
 MEDIATEK IOMMU DRIVER
 M:	Yong Wu <[email protected]>
-L:	[email protected]
 L:	[email protected]
 L:	[email protected] (moderated for non-subscribers)
 S:	Supported
@@ -16683,7 +16676,6 @@ F:	drivers/i2c/busses/i2c-qcom-cci.c
 
 QUALCOMM IOMMU
 M:	Rob Clark <[email protected]>
-L:	[email protected]
 L:	[email protected]
 L:	[email protected]
 S:	Maintained
@@ -19326,7 +19318,6 @@ F:	arch/x86/boot/video*
 
 SWIOTLB SUBSYSTEM
 M:	Christoph Hellwig <[email protected]>
-L:	[email protected]
 L:	[email protected]
 S:	Supported
 W:	http://git.infradead.org/users/hch/dma-mapping.git
@@ -22008,7 +21999,6 @@ XEN SWIOTLB SUBSYSTEM
 M:	Juergen Gross <[email protected]>
 M:	Stefano Stabellini <[email protected]>
 L:	[email protected] (moderated for non-subscribers)
-L:	[email protected]
 L:	[email protected]
 S:	Supported
 F:	arch/x86/xen/*swiotlb*

diff --git a/Makefile b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 19
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Superb Owl
 
 # *DOCUMENTATION*

diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
@@ -112,19 +112,6 @@ static __always_inline void set_domain(unsigned int val)
 }
 #endif
 
-#ifdef CONFIG_CPU_USE_DOMAINS
-#define modify_domain(dom,type)					\
-	do {							\
-		unsigned int domain = get_domain();		\
-		domain &= ~domain_mask(dom);			\
-		domain = domain | domain_val(dom, type);	\
-		set_domain(domain);				\
-	} while (0)
-
-#else
-static inline void modify_domain(unsigned dom, unsigned type)	{ }
-#endif
-
 /*
  * Generate the T (user) versions of the LDR/STR and related
  * instructions (inline assembly)

diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
@@ -27,6 +27,7 @@ enum {
 	MT_HIGH_VECTORS,
 	MT_MEMORY_RWX,
 	MT_MEMORY_RW,
+	MT_MEMORY_RO,
 	MT_ROM,
 	MT_MEMORY_RWX_NONCACHED,
 	MT_MEMORY_RW_DTCM,

diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
@@ -163,5 +163,31 @@ static inline unsigned long user_stack_pointer(struct pt_regs *regs)
 		((current_stack_pointer | (THREAD_SIZE - 1)) - 7) - 1;	\
 })
 
+
+/*
+ * Update ITSTATE after normal execution of an IT block instruction.
+ *
+ * The 8 IT state bits are split into two parts in CPSR:
+ *	ITSTATE<1:0> are in CPSR<26:25>
+ *	ITSTATE<7:2> are in CPSR<15:10>
+ */
+static inline unsigned long it_advance(unsigned long cpsr)
+{
+	if ((cpsr & 0x06000400) == 0) {
+		/* ITSTATE<2:0> == 0 means end of IT block, so clear IT state */
+		cpsr &= ~PSR_IT_MASK;
+	} else {
+		/* We need to shift left ITSTATE<4:0> */
+		const unsigned long mask = 0x06001c00;  /* Mask ITSTATE<4:0> */
+		unsigned long it = cpsr & mask;
+		it <<= 1;
+		it |= it >> (27 - 10);  /* Carry ITSTATE<2> to correct place */
+		it &= mask;
+		cpsr &= ~mask;
+		cpsr |= it;
+	}
+	return cpsr;
+}
+
 #endif /* __ASSEMBLY__ */
 #endif
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
@@ -302,6 +302,7 @@ local_restart:
 	b	ret_fast_syscall
 #endif
 ENDPROC(vector_swi)
+	.ltorg
 
 	/*
 	 * This is the really slow path.  We're going to be doing
-Original file line number
+Diff line change
@@ Expand Up / @@ -302,6 +302,7 @@ local_restart: @@
     	b	ret_fast_syscall
     #endif
     ENDPROC(vector_swi)
+    	.ltorg
     	/*
     	 * This is the really slow path.  We're going to be doing
@@ Expand Down @@