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authorBorislav Petkov <bp@suse.de>2021-03-18 16:43:11 +0100
committerBorislav Petkov <bp@suse.de>2021-03-18 16:43:11 +0100
commitafb4a37778491eae010a43edebea32ff2d45f01c (patch)
treec40bcc6143e5542134477dd96a108d24b1f9074f /kernel/fork.c
parent229164175ff0c61ff581e6bf37fbfcb608b6e9bb (diff)
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
Merge tag 'v5.12-rc3' into x86/seves
Pick up dependent SEV-ES urgent changes which went into -rc3 to base new work ontop. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index d3171e8e88e5..0acc8ed1076b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -994,6 +994,13 @@ static void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
#endif
}
+static void mm_init_pasid(struct mm_struct *mm)
+{
+#ifdef CONFIG_IOMMU_SUPPORT
+ mm->pasid = INIT_PASID;
+#endif
+}
+
static void mm_init_uprobes_state(struct mm_struct *mm)
{
#ifdef CONFIG_UPROBES
@@ -1024,6 +1031,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
mm_init_cpumask(mm);
mm_init_aio(mm);
mm_init_owner(mm, p);
+ mm_init_pasid(mm);
RCU_INIT_POINTER(mm->exe_file, NULL);
mmu_notifier_subscriptions_init(mm);
init_tlb_flush_pending(mm);
@@ -2436,6 +2444,7 @@ struct task_struct *create_io_thread(int (*fn)(void *), void *arg, int node)
if (!IS_ERR(tsk)) {
sigfillset(&tsk->blocked);
sigdelsetmask(&tsk->blocked, sigmask(SIGKILL));
+ tsk->flags |= PF_NOFREEZE;
}
return tsk;
}