[6.6] [Feature] : Backport Anolis k6.6 Venice IBS Enhancements on Openanolis · Pull Request !6871 · anolis/cloud-kernel

bugzilla: https://bugzilla.openanolis.cn/show_bug.cgi?id=34127

**Backport Anolis k6.6 Venice IBS Enhancements** 
1.	perf/amd/ibs: Account interrupt for discarded samples
2.	perf/core: Export perf_exclude_event()
3.	perf/x86: Relax privilege filter restriction on AMD IBS
4.	perf/amd/ibs: Limit ldlat->l3missonly dependency to Zen5
5.	perf/x86: Check data address for IBS software filter
6.	perf/amd/ibs: Prevent leaking sensitive data to userspace
7.	perf/amd/ibs: Preserve PhyAddrVal bit when clearing PhyAddr MSR
8.	perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler
9.	perf/amd/ibs: Avoid race between event add and NMI
10.	perf/amd/ibs: Define macro for ldlat mask and shift
11.	perf/amd/ibs: Add new MSRs and CPUID bits definitions
12.	perf/amd/ibs: Support IBS_{FETCH|OP}_CTL2[Dis] to eliminate RMW race
13.	perf/amd/ibs: Enable fetch latency filtering
14.	perf/amd/ibs: Enable RIP bit63 hardware filtering
15.	perf/amd/ibs: Enable streaming store filter
16.	perf/amd/ibs: Advertise remote socket capability

**Description:**

Backport AMD IBS enhancements from Anolis k6.6 to improve perf IBS support.
Includes fixes for interrupt accounting, race conditions, and security issues, along with new filtering capabilities (fetch latency, RIP, streaming store) and support for newer AMD hardware features. Verified via perf-based unit tests and sysfs capability exposure.

**Unit test Results:**

* Enable fetch latency filtering
$ ./perf record -e ibs_fetch/fetchlat=128/ -c 10000 -a -- sleep 5
			[ perf record: Woken up 1 times to write data ]
			[ perf record: Captured and wrote 0.817 MB perf.data ]

*  Enable RIP bit63 hardware filtering
$./perf record -e ibs_op//u -- ./stream_store_test
			[ perf record: Woken up 3 times to write data ]
			[ perf record: Captured and wrote 0.022 MB perf.data ]

*   Enable streaming store filter
$ ./perf record -e ibs_op/strmst=1/ -- ./stream_store_test
			[ perf record: Woken up 3 times to write data ]
			[ perf record: Captured and wrote 0.031 MB perf.data (2 samples) ]

* perf/amd/ibs: Advertise remote socket capability
$ ls /sys/bus/event_source/devices/ibs_op/caps
			dtlb_pgsize  ldlat  rmtsocket  strmst  zen4_ibs_extensions

类型	指派人员	状态
审查	王鹏 xunlei 半叶枫尘 Artie Ding winterddd xueshuai 冯光辉 Guixin Liu kun-llfl Xuchun Shang XiangZao	已完成 (0/0人)
测试	小龙已测试通过	已完成 (1/1人)

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