diff options
-rw-r--r-- | sys/amd64/amd64/pmap.c | 22 | ||||
-rw-r--r-- | sys/amd64/include/pmap.h | 3 | ||||
-rw-r--r-- | sys/dev/drm2/i915/intel_ringbuffer.c | 4 | ||||
-rw-r--r-- | sys/i386/i386/pmap.c | 22 | ||||
-rw-r--r-- | sys/i386/i386/vm_machdep.c | 2 | ||||
-rw-r--r-- | sys/i386/include/pmap.h | 3 |
6 files changed, 33 insertions, 23 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 3344b35..fadde28 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -1710,16 +1710,20 @@ pmap_update_pde(pmap_t pmap, vm_offset_t va, pd_entry_t *pde, pd_entry_t newpde) #define PMAP_CLFLUSH_THRESHOLD (2 * 1024 * 1024) void -pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva) +pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva, boolean_t force) { - KASSERT((sva & PAGE_MASK) == 0, - ("pmap_invalidate_cache_range: sva not page-aligned")); - KASSERT((eva & PAGE_MASK) == 0, - ("pmap_invalidate_cache_range: eva not page-aligned")); + if (force) { + sva &= ~(vm_offset_t)cpu_clflush_line_size; + } else { + KASSERT((sva & PAGE_MASK) == 0, + ("pmap_invalidate_cache_range: sva not page-aligned")); + KASSERT((eva & PAGE_MASK) == 0, + ("pmap_invalidate_cache_range: eva not page-aligned")); + } - if (cpu_feature & CPUID_SS) - ; /* If "Self Snoop" is supported, do nothing. */ + if ((cpu_feature & CPUID_SS) != 0 && !force) + ; /* If "Self Snoop" is supported and allowed, do nothing. */ else if ((cpu_feature & CPUID_CLFSH) != 0 && eva - sva < PMAP_CLFLUSH_THRESHOLD) { @@ -6222,7 +6226,7 @@ pmap_mapdev_attr(vm_paddr_t pa, vm_size_t size, int mode) for (tmpsize = 0; tmpsize < size; tmpsize += PAGE_SIZE) pmap_kenter_attr(va + tmpsize, pa + tmpsize, mode); pmap_invalidate_range(kernel_pmap, va, va + tmpsize); - pmap_invalidate_cache_range(va, va + tmpsize); + pmap_invalidate_cache_range(va, va + tmpsize, FALSE); return ((void *)(va + offset)); } @@ -6558,7 +6562,7 @@ pmap_change_attr_locked(vm_offset_t va, vm_size_t size, int mode) */ if (changed) { pmap_invalidate_range(kernel_pmap, base, tmpva); - pmap_invalidate_cache_range(base, tmpva); + pmap_invalidate_cache_range(base, tmpva, FALSE); } return (error); } diff --git a/sys/amd64/include/pmap.h b/sys/amd64/include/pmap.h index e83e07e..ebf32c6 100644 --- a/sys/amd64/include/pmap.h +++ b/sys/amd64/include/pmap.h @@ -394,7 +394,8 @@ void pmap_invalidate_range(pmap_t, vm_offset_t, vm_offset_t); void pmap_invalidate_all(pmap_t); void pmap_invalidate_cache(void); void pmap_invalidate_cache_pages(vm_page_t *pages, int count); -void pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva); +void pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva, + boolean_t force); void pmap_get_mapping(pmap_t pmap, vm_offset_t va, uint64_t *ptr, int *num); #endif /* _KERNEL */ diff --git a/sys/dev/drm2/i915/intel_ringbuffer.c b/sys/dev/drm2/i915/intel_ringbuffer.c index 26bc695..89a5c94 100644 --- a/sys/dev/drm2/i915/intel_ringbuffer.c +++ b/sys/dev/drm2/i915/intel_ringbuffer.c @@ -366,7 +366,7 @@ init_pipe_control(struct intel_ring_buffer *ring) goto err_unpin; pmap_qenter((uintptr_t)pc->cpu_page, &obj->pages[0], 1); pmap_invalidate_cache_range((vm_offset_t)pc->cpu_page, - (vm_offset_t)pc->cpu_page + PAGE_SIZE); + (vm_offset_t)pc->cpu_page + PAGE_SIZE, FALSE); pc->obj = obj; ring->private = pc; @@ -1014,7 +1014,7 @@ static int init_status_page(struct intel_ring_buffer *ring) pmap_qenter((vm_offset_t)ring->status_page.page_addr, &obj->pages[0], 1); pmap_invalidate_cache_range((vm_offset_t)ring->status_page.page_addr, - (vm_offset_t)ring->status_page.page_addr + PAGE_SIZE); + (vm_offset_t)ring->status_page.page_addr + PAGE_SIZE, FALSE); ring->status_page.obj = obj; memset(ring->status_page.page_addr, 0, PAGE_SIZE); diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 37e14e9..90ea046 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1172,16 +1172,20 @@ pmap_update_pde(pmap_t pmap, vm_offset_t va, pd_entry_t *pde, pd_entry_t newpde) #define PMAP_CLFLUSH_THRESHOLD (2 * 1024 * 1024) void -pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva) +pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva, boolean_t force) { - KASSERT((sva & PAGE_MASK) == 0, - ("pmap_invalidate_cache_range: sva not page-aligned")); - KASSERT((eva & PAGE_MASK) == 0, - ("pmap_invalidate_cache_range: eva not page-aligned")); + if (force) { + sva &= ~(vm_offset_t)cpu_clflush_line_size; + } else { + KASSERT((sva & PAGE_MASK) == 0, + ("pmap_invalidate_cache_range: sva not page-aligned")); + KASSERT((eva & PAGE_MASK) == 0, + ("pmap_invalidate_cache_range: eva not page-aligned")); + } - if (cpu_feature & CPUID_SS) - ; /* If "Self Snoop" is supported, do nothing. */ + if ((cpu_feature & CPUID_SS) != 0 && !force) + ; /* If "Self Snoop" is supported and allowed, do nothing. */ else if ((cpu_feature & CPUID_CLFSH) != 0 && eva - sva < PMAP_CLFLUSH_THRESHOLD) { @@ -5164,7 +5168,7 @@ pmap_mapdev_attr(vm_paddr_t pa, vm_size_t size, int mode) for (tmpsize = 0; tmpsize < size; tmpsize += PAGE_SIZE) pmap_kenter_attr(va + tmpsize, pa + tmpsize, mode); pmap_invalidate_range(kernel_pmap, va, va + tmpsize); - pmap_invalidate_cache_range(va, va + size); + pmap_invalidate_cache_range(va, va + size, FALSE); return ((void *)(va + offset)); } @@ -5370,7 +5374,7 @@ pmap_change_attr(vm_offset_t va, vm_size_t size, int mode) */ if (changed) { pmap_invalidate_range(kernel_pmap, base, tmpva); - pmap_invalidate_cache_range(base, tmpva); + pmap_invalidate_cache_range(base, tmpva, FALSE); } return (0); } diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c index 9c87548..e2ba874 100644 --- a/sys/i386/i386/vm_machdep.c +++ b/sys/i386/i386/vm_machdep.c @@ -813,7 +813,7 @@ sf_buf_invalidate(struct sf_buf *sf) * settings are recalculated. */ pmap_qenter(sf->kva, &m, 1); - pmap_invalidate_cache_range(sf->kva, sf->kva + PAGE_SIZE); + pmap_invalidate_cache_range(sf->kva, sf->kva + PAGE_SIZE, FALSE); } /* diff --git a/sys/i386/include/pmap.h b/sys/i386/include/pmap.h index 100475c..05656cd 100644 --- a/sys/i386/include/pmap.h +++ b/sys/i386/include/pmap.h @@ -458,7 +458,8 @@ void pmap_invalidate_range(pmap_t, vm_offset_t, vm_offset_t); void pmap_invalidate_all(pmap_t); void pmap_invalidate_cache(void); void pmap_invalidate_cache_pages(vm_page_t *pages, int count); -void pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva); +void pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva, + boolean_t force); #endif /* _KERNEL */ |