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Merge branch 'x86/mm' into efi/core, to pick up dependencies

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Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2017-08-26 09:20:01 +02:00
commit 3cb9bc8502
243 changed files with 3846 additions and 904 deletions
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12
drivers/video/fbdev/core/fbmem.c
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@ -32,6 +32,7 @@
#include <linux/device.h>
#include <linux/efi.h>
#include <linux/fb.h>
#include <linux/mem_encrypt.h>
#include <asm/fb.h>
@ -1396,6 +1397,12 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
mutex_lock(&info->mm_lock);
if (fb->fb_mmap) {
int res;
/*
* The framebuffer needs to be accessed decrypted, be sure
* SME protection is removed ahead of the call
*/
vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
res = fb->fb_mmap(info, vma);
mutex_unlock(&info->mm_lock);
return res;
@ -1421,6 +1428,11 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
mutex_unlock(&info->mm_lock);
vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
/*
* The framebuffer needs to be accessed decrypted, be sure
* SME protection is removed
*/
vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
fb_pgprotect(file, vma, start);
return vm_iomap_memory(vma, start, len);