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authorIngo Molnar <mingo@kernel.org>2022-02-21 11:53:51 +0100
committerIngo Molnar <mingo@kernel.org>2022-02-21 11:53:51 +0100
commit6255b48aebfd4dff375e97fc8b075a235848db0b (patch)
treebcedf2b959a843a18cf7ebcc9120a0dd1c4e234f /arch/x86/kernel/cpu
parent1b2d3451ee50a0968cb9933f726e50b368ba5073 (diff)
parentcfb92440ee71adcc2105b0890bb01ac3cddb8507 (diff)
Merge tag 'v5.17-rc5' into sched/core, to resolve conflicts
New conflicts in sched/core due to the following upstream fixes: 44585f7bc0cb ("psi: fix "defined but not used" warnings when CONFIG_PROC_FS=n") a06247c6804f ("psi: Fix uaf issue when psi trigger is destroyed while being polled") Conflicts: include/linux/psi_types.h kernel/sched/psi.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r--arch/x86/kernel/cpu/mce/amd.c2
-rw-r--r--arch/x86/kernel/cpu/mce/intel.c1
-rw-r--r--arch/x86/kernel/cpu/sgx/encl.c2
-rw-r--r--arch/x86/kernel/cpu/sgx/main.c10
4 files changed, 5 insertions, 10 deletions
diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index a1e2f41796dc..9f4b508886dd 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -423,7 +423,7 @@ static void threshold_restart_bank(void *_tr)
u32 hi, lo;
/* sysfs write might race against an offline operation */
- if (this_cpu_read(threshold_banks))
+ if (!this_cpu_read(threshold_banks) && !tr->set_lvt_off)
return;
rdmsr(tr->b->address, lo, hi);
diff --git a/arch/x86/kernel/cpu/mce/intel.c b/arch/x86/kernel/cpu/mce/intel.c
index bb9a46a804bf..baafbb37be67 100644
--- a/arch/x86/kernel/cpu/mce/intel.c
+++ b/arch/x86/kernel/cpu/mce/intel.c
@@ -486,6 +486,7 @@ static void intel_ppin_init(struct cpuinfo_x86 *c)
case INTEL_FAM6_BROADWELL_X:
case INTEL_FAM6_SKYLAKE_X:
case INTEL_FAM6_ICELAKE_X:
+ case INTEL_FAM6_ICELAKE_D:
case INTEL_FAM6_SAPPHIRERAPIDS_X:
case INTEL_FAM6_XEON_PHI_KNL:
case INTEL_FAM6_XEON_PHI_KNM:
diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
index 001808e3901c..48afe96ae0f0 100644
--- a/arch/x86/kernel/cpu/sgx/encl.c
+++ b/arch/x86/kernel/cpu/sgx/encl.c
@@ -410,6 +410,8 @@ void sgx_encl_release(struct kref *ref)
}
kfree(entry);
+ /* Invoke scheduler to prevent soft lockups. */
+ cond_resched();
}
xa_destroy(&encl->page_array);
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 4b41efc9e367..8e4bc6453d26 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -344,10 +344,8 @@ static void sgx_reclaim_pages(void)
{
struct sgx_epc_page *chunk[SGX_NR_TO_SCAN];
struct sgx_backing backing[SGX_NR_TO_SCAN];
- struct sgx_epc_section *section;
struct sgx_encl_page *encl_page;
struct sgx_epc_page *epc_page;
- struct sgx_numa_node *node;
pgoff_t page_index;
int cnt = 0;
int ret;
@@ -418,13 +416,7 @@ skip:
kref_put(&encl_page->encl->refcount, sgx_encl_release);
epc_page->flags &= ~SGX_EPC_PAGE_RECLAIMER_TRACKED;
- section = &sgx_epc_sections[epc_page->section];
- node = section->node;
-
- spin_lock(&node->lock);
- list_add_tail(&epc_page->list, &node->free_page_list);
- spin_unlock(&node->lock);
- atomic_long_inc(&sgx_nr_free_pages);
+ sgx_free_epc_page(epc_page);
}
}