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arm64: Disable coverage sanitization of pmap_update_strided

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The break-before-make update invalidates PTEs, including the PTE
pointing to curthread, causing a fault in `trace_pc`. This
addresses a similar issue in
01bb9a2a35.

Reviewed by:	markj
MFC after:	1 week
This commit is contained in:
Zhuo Ying Jiang Li 2024-10-11 17:41:49 +01:00 committed by Mark Johnston
parent a78bacf3b0
commit 4f2ca36c7b
1 changed files with 1 additions and 1 deletions
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2
sys/arm64/arm64/pmap.c
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@ -4618,7 +4618,7 @@ pmap_update_entry(pmap_t pmap, pd_entry_t *ptep, pd_entry_t newpte,
/*
* Performs a break-before-make update of an ATTR_CONTIGUOUS mapping.
*/
static void
static void __nosanitizecoverage
pmap_update_strided(pmap_t pmap, pd_entry_t *ptep, pd_entry_t *ptep_end,
pd_entry_t newpte, vm_offset_t va, vm_offset_t stride, vm_size_t size)
{