cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fb.h (569B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_FB_H_
      3#define _ASM_FB_H_
      4
      5#include <linux/fb.h>
      6#include <linux/fs.h>
      7#include <linux/efi.h>
      8#include <asm/page.h>
      9
     10static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
     11				unsigned long off)
     12{
     13	if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
     14		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
     15	else
     16		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
     17}
     18
     19static inline int fb_is_primary_device(struct fb_info *info)
     20{
     21	return 0;
     22}
     23
     24#endif /* _ASM_FB_H_ */