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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:32 +0000
commitf530fbb7a18f2794e4178dfb7cd07719b9586147 (patch)
tree3f704b17427743e26452771cf7da2ed110346ddd /arch/x86/mm/ioremap.c
parentAdding debian version 4.19.260-1. (diff)
downloadlinux-f530fbb7a18f2794e4178dfb7cd07719b9586147.tar.xz
linux-f530fbb7a18f2794e4178dfb7cd07719b9586147.zip
Merging upstream version 4.19.269.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/mm/ioremap.c')
-rw-r--r--arch/x86/mm/ioremap.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index adc77904f..7da9b4270 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -171,9 +171,15 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
* Mappings have to be page-aligned
*/
offset = phys_addr & ~PAGE_MASK;
- phys_addr &= PHYSICAL_PAGE_MASK;
+ phys_addr &= PAGE_MASK;
size = PAGE_ALIGN(last_addr+1) - phys_addr;
+ /*
+ * Mask out any bits not part of the actual physical
+ * address, like memory encryption bits.
+ */
+ phys_addr &= PHYSICAL_PAGE_MASK;
+
retval = reserve_memtype(phys_addr, (u64)phys_addr + size,
pcm, &new_pcm);
if (retval) {