Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2024-12-29 09:13:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

arm64 fixes for 6.13-rc1:

Browse Source 
- Deselect ARCH_CORRECT_STACKTRACE_ON_KRETPROBE so that tests depending
   on it don't run (and fail) on arm64
 
 - Fix lockdep assert in the Arm SMMUv3 PMU driver
 
 - Fix the port and device ID bits setting in the Arm CMN perf driver
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAmdKK6QACgkQa9axLQDI
 XvFvxg//SIcw9gQL+2POTH4taZ5Xk4lsUyCKygVINhO54RE1iKMAhsr5qar7YQtE
 0/sxOdHACqO0BATNGQMbwhHYvn7RkfcqnoXihvLxOwPp8Nqdf4W55eOIwQCPfVaZ
 p2N/Iy2SYEO044gIH6N8KzoFLjH7hwvXDtaWD6o+Fq9NEAwLMRn55QyIGfyM//V3
 6igBD1vjPKwxX7qIIlNqsn1l80jk8weF5uWeU1g06lSFSSRNGQ9PGT7oTLmgiKrl
 8daE8E+1++rKmelANNe4CZ2Ig9tFNonaE8jRFuEJMEu/mZ5AAMksGh1M7eaz/ODU
 ov6AukUVFRr+EsfSYlARhEgBKEssuRSDRiYuwTYPGHhDmyf+wNSu0u9K3p99DdJv
 Fu55u4weVShg/ooOY3HtPWm3WnSoaxO7L4OOVd6yxeF2McUyRI9qFrADkpr4D3Sv
 9aCGX9UdIuuTbEuXf3jacMhPq97QP9KAshWNEmzo9OZze7vLcbDz3IVeTanHIUOg
 PieUgcnLW0dOxPz+tXYzOs3Ebf0pU8nQY3Eyj3YP7GsJkJMQh3usNC2t/oYhsnyj
 OsohGT97CyBAgGtdlGsiNknIKisD3LIwa4gkJ+4sFIvFr5jfdrfCTvl23DieI8bf
 9YETifEaSrJ+R/wzP0cMUUAauBC0gxS4HMPXGETe02U+ziGt3LU=
 =ZNzJ
 -----END PGP SIGNATURE-----

Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Deselect ARCH_CORRECT_STACKTRACE_ON_KRETPROBE so that tests depending
   on it don't run (and fail) on arm64

 - Fix lockdep assert in the Arm SMMUv3 PMU driver

 - Fix the port and device ID bits setting in the Arm CMN perf driver

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  perf/arm-cmn: Ensure port and device id bits are set properly
  perf/arm-smmuv3: Fix lockdep assert in ->event_init()
  arm64: disable ARCH_CORRECT_STACKTRACE_ON_KRETPROBE tests
This commit is contained in:
Linus Torvalds 2024-11-30 14:33:44 -08:00
commit 50ee4a6fe3
3 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm64/Kconfig
View File

@ -14,7 +14,6 @@ config ARM64
select ARCH_HAS_DEBUG_WX
select ARCH_BINFMT_ELF_EXTRA_PHDRS
select ARCH_BINFMT_ELF_STATE
select ARCH_CORRECT_STACKTRACE_ON_KRETPROBE
select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
select ARCH_ENABLE_MEMORY_HOTPLUG
select ARCH_ENABLE_MEMORY_HOTREMOVE

4
drivers/perf/arm-cmn.c
View File

@ -2178,8 +2178,6 @@ static int arm_cmn_init_dtcs(struct arm_cmn *cmn)
continue;
xp = arm_cmn_node_to_xp(cmn, dn);
dn->portid_bits = xp->portid_bits;
dn->deviceid_bits = xp->deviceid_bits;
dn->dtc = xp->dtc;
dn->dtm = xp->dtm;
if (cmn->multi_dtm)
@ -2420,6 +2418,8 @@ static int arm_cmn_discover(struct arm_cmn *cmn, unsigned int rgn_offset)
}
arm_cmn_init_node_info(cmn, reg & CMN_CHILD_NODE_ADDR, dn);
dn->portid_bits = xp->portid_bits;
dn->deviceid_bits = xp->deviceid_bits;
switch (dn->type) {
case CMN_TYPE_DTC:

19
drivers/perf/arm_smmuv3_pmu.c
View File

@ -431,6 +431,17 @@ static int smmu_pmu_event_init(struct perf_event *event)
return -EINVAL;
}
/*
* Ensure all events are on the same cpu so all events are in the
* same cpu context, to avoid races on pmu_enable etc.
*/
event->cpu = smmu_pmu->on_cpu;
hwc->idx = -1;
if (event->group_leader == event)
return 0;
for_each_sibling_event(sibling, event->group_leader) {
if (is_software_event(sibling))
continue;
@ -442,14 +453,6 @@ static int smmu_pmu_event_init(struct perf_event *event)
return -EINVAL;
}
hwc->idx = -1;
/*
* Ensure all events are on the same cpu so all events are in the
* same cpu context, to avoid races on pmu_enable etc.
*/
event->cpu = smmu_pmu->on_cpu;
return 0;
}