Merge tag 'x86-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull core x86 updates from Ingo Molnar:
"Boot code changes:

- A large series of changes to reorganize th

Merge tag 'x86-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull core x86 updates from Ingo Molnar:
"Boot code changes:

- A large series of changes to reorganize the x86 boot code into a
better isolated and easier to maintain base of PIC early startup
code in arch/x86/boot/startup/, by Ard Biesheuvel.

Motivation & background:

| Since commit
|
| c88d71508e36 ("x86/boot/64: Rewrite startup_64() in C")
|
| dated Jun 6 2017, we have been using C code on the boot path in a way
| that is not supported by the toolchain, i.e., to execute non-PIC C
| code from a mapping of memory that is different from the one provided
| to the linker. It should have been obvious at the time that this was a
| bad idea, given the need to sprinkle fixup_pointer() calls left and
| right to manipulate global variables (including non-pointer variables)
| without crashing.
|
| This C startup code has been expanding, and in particular, the SEV-SNP
| startup code has been expanding over the past couple of years, and
| grown many of these warts, where the C code needs to use special
| annotations or helpers to access global objects.

This tree includes the first phase of this work-in-progress x86
boot code reorganization.

Scalability enhancements and micro-optimizations:

- Improve code-patching scalability (Eric Dumazet)

- Remove MFENCEs for X86_BUG_CLFLUSH_MONITOR (Andrew Cooper)

CPU features enumeration updates:

- Thorough reorganization and cleanup of CPUID parsing APIs (Ahmed S.
Darwish)

- Fix, refactor and clean up the cacheinfo code (Ahmed S. Darwish,
Thomas Gleixner)

- Update CPUID bitfields to x86-cpuid-db v2.3 (Ahmed S. Darwish)

Memory management changes:

- Allow temporary MMs when IRQs are on (Andy Lutomirski)

- Opt-in to IRQs-off activate_mm() (Andy Lutomirski)

- Simplify choose_new_asid() and generate better code (Borislav
Petkov)

- Simplify 32-bit PAE page table handling (Dave Hansen)

- Always use dynamic memory layout (Kirill A. Shutemov)

- Make SPARSEMEM_VMEMMAP the only memory model (Kirill A. Shutemov)

- Make 5-level paging support unconditional (Kirill A. Shutemov)

- Stop prefetching current->mm->mmap_lock on page faults (Mateusz
Guzik)

- Predict valid_user_address() returning true (Mateusz Guzik)

- Consolidate initmem_init() (Mike Rapoport)

FPU support and vector computing:

- Enable Intel APX support (Chang S. Bae)

- Reorgnize and clean up the xstate code (Chang S. Bae)

- Make task_struct::thread constant size (Ingo Molnar)

- Restore fpu_thread_struct_whitelist() to fix
CONFIG_HARDENED_USERCOPY=y (Kees Cook)

- Simplify the switch_fpu_prepare() + switch_fpu_finish() logic (Oleg
Nesterov)

- Always preserve non-user xfeatures/flags in __state_perm (Sean
Christopherson)

Microcode loader changes:

- Help users notice when running old Intel microcode (Dave Hansen)

- AMD: Do not return error when microcode update is not necessary
(Annie Li)

- AMD: Clean the cache if update did not load microcode (Boris
Ostrovsky)

Code patching (alternatives) changes:

- Simplify, reorganize and clean up the x86 text-patching code (Ingo
Molnar)

- Make smp_text_poke_batch_process() subsume
smp_text_poke_batch_finish() (Nikolay Borisov)

- Refactor the {,un}use_temporary_mm() code (Peter Zijlstra)

Debugging support:

- Add early IDT and GDT loading to debug relocate_kernel() bugs
(David Woodhouse)

- Print the reason for the last reset on modern AMD CPUs (Yazen
Ghannam)

- Add AMD Zen debugging document (Mario Limonciello)

- Fix opcode map (!REX2) superscript tags (Masami Hiramatsu)

- Stop decoding i64 instructions in x86-64 mode at opcode (Masami
Hiramatsu)

CPU bugs and bug mitigations:

- Remove X86_BUG_MMIO_UNKNOWN (Borislav Petkov)

- Fix SRSO reporting on Zen1/2 with SMT disabled (Borislav Petkov)

- Restructure and harmonize the various CPU bug mitigation methods
(David Kaplan)

- Fix spectre_v2 mitigation default on Intel (Pawan Gupta)

MSR API:

- Large MSR code and API cleanup (Xin Li)

- In-kernel MSR API type cleanups and renames (Ingo Molnar)

PKEYS:

- Simplify PKRU update in signal frame (Chang S. Bae)

NMI handling code:

- Clean up, refactor and simplify the NMI handling code (Sohil Mehta)

- Improve NMI duration console printouts (Sohil Mehta)

Paravirt guests interface:

- Restrict PARAVIRT_XXL to 64-bit only (Kirill A. Shutemov)

SEV support:

- Share the sev_secrets_pa value again (Tom Lendacky)

x86 platform changes:

- Introduce the <asm/amd/> header namespace (Ingo Molnar)

- i2c: piix4, x86/platform: Move the SB800 PIIX4 FCH definitions to
<asm/amd/fch.h> (Mario Limonciello)

Fixes and cleanups:

- x86 assembly code cleanups and fixes (Uros Bizjak)

- Misc fixes and cleanups (Andi Kleen, Andy Lutomirski, Andy
Shevchenko, Ard Biesheuvel, Bagas Sanjaya, Baoquan He, Borislav
Petkov, Chang S. Bae, Chao Gao, Dan Williams, Dave Hansen, David
Kaplan, David Woodhouse, Eric Biggers, Ingo Molnar, Josh Poimboeuf,
Juergen Gross, Malaya Kumar Rout, Mario Limonciello, Nathan
Chancellor, Oleg Nesterov, Pawan Gupta, Peter Zijlstra, Shivank
Garg, Sohil Mehta, Thomas Gleixner, Uros Bizjak, Xin Li)"

* tag 'x86-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (331 commits)
x86/bugs: Fix spectre_v2 mitigation default on Intel
x86/bugs: Restructure ITS mitigation
x86/xen/msr: Fix uninitialized variable 'err'
x86/msr: Remove a superfluous inclusion of <asm/asm.h>
x86/paravirt: Restrict PARAVIRT_XXL to 64-bit only
x86/mm/64: Make 5-level paging support unconditional
x86/mm/64: Make SPARSEMEM_VMEMMAP the only memory model
x86/mm/64: Always use dynamic memory layout
x86/bugs: Fix indentation due to ITS merge
x86/cpuid: Rename hypervisor_cpuid_base()/for_each_possible_hypervisor_cpuid_base() to cpuid_base_hypervisor()/for_each_possible_cpuid_base_hypervisor()
x86/cpu/intel: Rename CPUID(0x2) descriptors iterator parameter
x86/cacheinfo: Rename CPUID(0x2) descriptors iterator parameter
x86/cpuid: Rename cpuid_get_leaf_0x2_regs() to cpuid_leaf_0x2()
x86/cpuid: Rename have_cpuid_p() to cpuid_feature()
x86/cpuid: Set <asm/cpuid/api.h> as the main CPUID header
x86/cpuid: Move CPUID(0x2) APIs into <cpuid/api.h>
x86/msr: Add rdmsrl_on_cpu() compatibility wrapper
x86/mm: Fix kernel-doc descriptions of various pgtable methods
x86/asm-offsets: Export certain 'struct cpuinfo_x86' fields for 64-bit asm use too
x86/boot: Defer initialization of VM space related global variables
...

show more ...

Merge tag 'v6.16-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
"API:
- Fix memcpy_sglist to handle partially overlapping SG lists

Merge tag 'v6.16-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
"API:
- Fix memcpy_sglist to handle partially overlapping SG lists
- Use memcpy_sglist to replace null skcipher
- Rename CRYPTO_TESTS to CRYPTO_BENCHMARK
- Flip CRYPTO_MANAGER_DISABLE_TEST into CRYPTO_SELFTESTS
- Hide CRYPTO_MANAGER
- Add delayed freeing of driver crypto_alg structures

Compression:
- Allocate large buffers on first use instead of initialisation in scomp
- Drop destination linearisation buffer in scomp
- Move scomp stream allocation into acomp
- Add acomp scatter-gather walker
- Remove request chaining
- Add optional async request allocation

Hashing:
- Remove request chaining
- Add optional async request allocation
- Move partial block handling into API
- Add ahash support to hmac
- Fix shash documentation to disallow usage in hard IRQs

Algorithms:
- Remove unnecessary SIMD fallback code on x86 and arm/arm64
- Drop avx10_256 xts(aes)/ctr(aes) on x86
- Improve avx-512 optimisations for xts(aes)
- Move chacha arch implementations into lib/crypto
- Move poly1305 into lib/crypto and drop unused Crypto API algorithm
- Disable powerpc/poly1305 as it has no SIMD fallback
- Move sha256 arch implementations into lib/crypto
- Convert deflate to acomp
- Set block size correctly in cbcmac

Drivers:
- Do not use sg_dma_len before mapping in sun8i-ss
- Fix warm-reboot failure by making shutdown do more work in qat
- Add locking in zynqmp-sha
- Remove cavium/zip
- Add support for PCI device 0x17D8 to ccp
- Add qat_6xxx support in qat
- Add support for RK3576 in rockchip-rng
- Add support for i.MX8QM in caam

Others:
- Fix irq_fpu_usable/kernel_fpu_begin inconsistency during CPU bring-up
- Add new SEV/SNP platform shutdown API in ccp"

* tag 'v6.16-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (382 commits)
x86/fpu: Fix irq_fpu_usable() to return false during CPU onlining
crypto: qat - add missing header inclusion
crypto: api - Redo lookup on EEXIST
Revert "crypto: testmgr - Add hash export format testing"
crypto: marvell/cesa - Do not chain submitted requests
crypto: powerpc/poly1305 - add depends on BROKEN for now
Revert "crypto: powerpc/poly1305 - Add SIMD fallback"
crypto: ccp - Add missing tee info reg for teev2
crypto: ccp - Add missing bootloader info reg for pspv5
crypto: sun8i-ce - move fallback ahash_request to the end of the struct
crypto: octeontx2 - Use dynamic allocated memory region for lmtst
crypto: octeontx2 - Initialize cptlfs device info once
crypto: xts - Only add ecb if it is not already there
crypto: lrw - Only add ecb if it is not already there
crypto: testmgr - Add hash export format testing
crypto: testmgr - Use ahash for generic tfm
crypto: hmac - Add ahash support
crypto: testmgr - Ignore EEXIST on shash allocation
crypto: algapi - Add driver template support to crypto_inst_setname
crypto: shash - Set reqsize in shash_alg
...

show more ...

Merge branch 'x86/mm' into x86/core, to resolve conflicts

Conflicts:
arch/x86/mm/numa.c
arch/x86/mm/pgtable.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>

crypto: x86 - Remove CONFIG_AS_SHA256_NI

Current minimum required version of binutils is 2.25,
which supports SHA-256 instruction mnemonics.

Remove check for assembler support of SHA-256 instructio

crypto: x86 - Remove CONFIG_AS_SHA256_NI

Current minimum required version of binutils is 2.25,
which supports SHA-256 instruction mnemonics.

Remove check for assembler support of SHA-256 instructions
and all relevant macros for conditional compilation.

No functional change intended.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

show more ...

crypto: x86 - Remove CONFIG_AS_SHA1_NI

Current minimum required version of binutils is 2.25,
which supports SHA-1 instruction mnemonics.

Remove check for assembler support of SHA-1 instructions
and

crypto: x86 - Remove CONFIG_AS_SHA1_NI

Current minimum required version of binutils is 2.25,
which supports SHA-1 instruction mnemonics.

Remove check for assembler support of SHA-1 instructions
and all relevant macros for conditional compilation.

No functional change intended.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

show more ...

x86/idle: Remove CONFIG_AS_TPAUSE

There is not much point in CONFIG_AS_TPAUSE at all when the emitted
assembly is always the same - it only obfuscates the __tpause() code
in essence.

Remove the TPA

x86/idle: Remove CONFIG_AS_TPAUSE

There is not much point in CONFIG_AS_TPAUSE at all when the emitted
assembly is always the same - it only obfuscates the __tpause() code
in essence.

Remove the TPAUSE insn mnemonic from __tpause() and leave only
the equivalent byte-wise definition. This can then be changed
back to insn mnemonic once binutils 2.31.1 is the minimum version
to build the kernel. (Right now it's 2.25.)

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250402180827.3762-4-ubizjak@gmail.com

show more ...

Merge drm/drm-next into drm-intel-gt-next

We need
4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope")
in order to land a i915 PMU simplification and a fix. That landed in 6.12
and

Merge drm/drm-next into drm-intel-gt-next

We need
4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope")
in order to land a i915 PMU simplification and a fix. That landed in 6.12
and we are stuck at 6.9 so lets bump things forward.

Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>

show more ...

Merge branch 'next' into for-linus

Prepare input updates for 6.12 merge window.

Merge branch 'ib/6.11-rc6-matrix-keypad-spitz' into next

Bring in changes removing support for platform data from matrix-keypad
driver.

Merge tag 'v6.10' into next

Sync up with mainline to bring in device_for_each_child_node_scoped()
and other newer APIs.

Merge tag 'v6.11-rc1' into clk-meson-next

Linux 6.11-rc1

Merge tag 'v6.11-rc3' into trace/ring-buffer/core

The "reserve_mem" kernel command line parameter has been pulled into
v6.11. Merge the latest -rc3 to allow the persistent ring buffer memory to
be a

Merge tag 'v6.11-rc3' into trace/ring-buffer/core

The "reserve_mem" kernel command line parameter has been pulled into
v6.11. Merge the latest -rc3 to allow the persistent ring buffer memory to
be able to be mapped at the address specified by the "reserve_mem" command
line parameter.

Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

show more ...

Merge tag 'v6.11-rc1' into for-6.12

Linux 6.11-rc1

Merge drm/drm-next into drm-xe-next

Get drm-xe-next on v6.11-rc2 and synchronized with drm-intel-next for
the display side. This resolves the current conflict for the
enable_display module parameter

Merge drm/drm-next into drm-xe-next

Get drm-xe-next on v6.11-rc2 and synchronized with drm-intel-next for
the display side. This resolves the current conflict for the
enable_display module parameter and allows further pending refactors.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

show more ...

Merge drm/drm-next into drm-misc-next

Get drm-misc-next to the state of v6.11-rc2.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Merge drm/drm-next into drm-intel-next

Sync with v6.11-rc1 in general, and specifically get the new
BACKLIGHT_POWER_ constants for power states.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Merge branch 'linus' into x86/mm

Bring x86 and selftests up to date

Merge drm/drm-fixes into drm-misc-fixes

Let's start the new drm-misc-fixes cycle by bringing in 6.11-rc1.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

Merge branch 'next' into for-linus

Prepare input updates for 6.11 merge window.

Merge tag 'v6.9' into next

Sync up with the mainline to bring in the new cleanup API.

Merge drm-misc-next-2024-07-04 into drm-misc-next-fixes

Let's start the drm-misc-next-fixes cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

Merge drm/drm-next into drm-intel-next

Sync to v6.10-rc3.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Merge drm/drm-next into drm-xe-next

Needed to get tracing cleanup and add mmio tracing series.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge remote-tracking branch 'drm-misc/drm-misc-next' into HEAD

Merge drm-misc-next tree into the msm-next tree in order to be able to
use HDMI connector framework for the MSM HDMI driver.

Merge drm/drm-next into drm-misc-next

Let's start the new release cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>