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Atish Patra ff435a6273 RISC-V: KVM: Disable the kernel perf counter during configure 
[ Upstream commit bbb6224887 ]

The perf event should be marked disabled during the creation as
it is not ready to be scheduled until there is SBI PMU start call
or config matching is called with auto start. Otherwise, event add/start
gets called during perf_event_create_kernel_counter function.
It will be enabled and scheduled to run via perf_event_enable during
either the above mentioned scenario.

Fixes: 0cb74b65d2 ("RISC-V: KVM: Implement perf support without sampling")

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20250303-kvm_pmu_improve-v2-1-41d177e45929@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-04-10 14:39:11 +02:00
arch RISC-V: KVM: Disable the kernel perf counter during configure 2025-04-10 14:39:11 +02:00
block block: fix 'kmem_cache of name 'bio-108' already exists' 2025-03-22 12:54:21 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: api - Fix boot-up self-test race 2025-02-08 09:57:28 +01:00
Documentation dt-bindings: can: renesas,rcar-canfd: Fix typo in pattern properties for R-Car V4M 2025-03-28 22:03:28 +01:00
drivers cpufreq: tegra194: Allow building for Tegra234 2025-04-10 14:39:11 +02:00
fs bcachefs: bch2_ioctl_subvolume_destroy() fixes 2025-04-07 10:08:37 +02:00
include PM: sleep: Adjust check before setting power.must_resume 2025-04-10 14:39:11 +02:00
init rust: Disallow BTF generation with Rust + LTO 2025-03-22 12:54:23 -07:00
io_uring io_uring/net: fix sendzc double notif flush 2025-03-28 22:03:32 +01:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-05 14:03:02 +01:00
kernel sched/eevdf: Force propagating min_slice of cfs_rq when {en,de}queue tasks 2025-04-10 14:39:10 +02:00
lib rcuref: Plug slowpath race in rcuref_put() 2025-03-07 18:25:43 +01:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm lockdep/mm: Fix might_fault() lockdep check of current->mm->mmap_lock 2025-04-10 14:39:11 +02:00
net netfilter: socket: Lookup orig tuple for IPv6 SNAT 2025-04-07 10:08:35 +02:00
rust rust: init: add missing newline to pr_info! calls 2025-03-22 12:54:26 -07:00
samples rust: treewide: switch to the kernel Vec type 2025-03-13 13:01:46 +01:00
scripts scripts: generate_rust_analyzer: add uapi crate 2025-03-22 12:54:27 -07:00
security smack: ipv4/ipv6: tcp/dccp/sctp: fix incorrect child socket label 2025-04-10 14:39:10 +02:00
sound ALSA: hda/realtek: Support mute LED on HP Laptop 15s-du3xxx 2025-04-07 10:08:35 +02:00
tools perf tools: Fix up some comments and code to properly use the event_source bus 2025-04-07 10:08:36 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 13:02:18 +01:00
virt KVM: x86: switch hugepage recovery thread to vhost_task 2024-12-05 14:02:43 +01:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml rust: enable Clippy's check-private-items 2025-03-13 13:01:42 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore rust: introduce .clippy.toml 2025-03-13 13:01:42 +01:00
.mailmap mailmap: add entry for Thorsten Blum 2024-11-07 14:14:59 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove self from DSA entry 2024-11-03 12:52:38 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: add entry for the Rust alloc module 2025-03-13 13:01:47 +01:00
Makefile Linux 6.12.22 2025-04-07 10:08:37 +02:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.