From db562aeff7755a1128165cc0fbf8252756004847 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratyev Date: Mon, 15 Nov 2021 18:06:50 +0300 Subject: [PATCH] LinuxKPI: Implement clflush_cache_range() Required by drm-kmod 5.7 MFC after: 1 week Reviewed by: hselasky, manu Differential Revision: https://reviews.freebsd.org/D33289 --- sys/compat/linuxkpi/common/include/linux/page.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/page.h b/sys/compat/linuxkpi/common/include/linux/page.h index 7cdaf01dce0..ed1b562dba4 100644 --- a/sys/compat/linuxkpi/common/include/linux/page.h +++ b/sys/compat/linuxkpi/common/include/linux/page.h @@ -119,6 +119,13 @@ lkpi_clflushopt(unsigned long addr) } #define clflush(x) clflush((unsigned long)(x)) #define clflushopt(x) lkpi_clflushopt((unsigned long)(x)) + +static inline void +clflush_cache_range(void *addr, unsigned int size) +{ + pmap_force_invalidate_cache_range((vm_offset_t)addr, + (vm_offset_t)addr + size); +} #endif #endif /* _LINUX_PAGE_H_ */