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mtl: bugfix: tlb driver should allow remapping all unused pages

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UNUSED_L2_START_ALIGNED is a marker of first page not used by the
linker. Starting from this page, the memory may be re-mapped.
assertion <= is banning remapping of the first unused page
changing to <

Signed-off-by: Marcin Szkudlinski <marcin.szkudlinski@intel.com>
This commit is contained in:
Marcin Szkudlinski 2023-01-31 18:24:49 +01:00 • committed by Stephanos Ioannidis
commit 44222b7dfc
1 changed files with 2 additions and 2 deletions
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4
drivers/mm/mm_drv_intel_adsp_mtl_tlb.c
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@ -190,7 +190,7 @@ int sys_mm_drv_map_page(void *virt, uintptr_t phys, uint32_t flags)
}
/* Check bounds of virtual address space */
CHECKIF((va <= UNUSED_L2_START_ALIGNED) ||
CHECKIF((va < UNUSED_L2_START_ALIGNED) ||
(va >= (CONFIG_KERNEL_VM_BASE + CONFIG_KERNEL_VM_SIZE))) {
ret = -EINVAL;
goto out;
@ -336,7 +336,7 @@ int sys_mm_drv_unmap_page(void *virt)
uintptr_t va = POINTER_TO_UINT(z_soc_cached_ptr(virt));
/* Check bounds of virtual address space */
CHECKIF((va <= UNUSED_L2_START_ALIGNED) ||
CHECKIF((va < UNUSED_L2_START_ALIGNED) ||
(va >= (CONFIG_KERNEL_VM_BASE + CONFIG_KERNEL_VM_SIZE))) {
ret = -EINVAL;
goto out;