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 (540B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_X86_FB_H
      3#define _ASM_X86_FB_H
      4
      5#include <linux/fb.h>
      6#include <linux/fs.h>
      7#include <asm/page.h>
      8
      9static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
     10				unsigned long off)
     11{
     12	unsigned long prot;
     13
     14	prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK;
     15	if (boot_cpu_data.x86 > 3)
     16		pgprot_val(vma->vm_page_prot) =
     17			prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
     18}
     19
     20extern int fb_is_primary_device(struct fb_info *info);
     21
     22#endif /* _ASM_X86_FB_H */