git: 83df72e5fb25 - main - linuxkpi: Define `pat_enabled()`
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Date: Tue, 21 Mar 2023 22:40:00 UTC
The branch main has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=83df72e5fb253a8842693ae8135e42d0c2403540 commit 83df72e5fb253a8842693ae8135e42d0c2403540 Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2023-02-20 20:45:24 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2023-03-21 22:36:40 +0000 linuxkpi: Define `pat_enabled()` This new <asm/memtype.h> header is included from <linux/pci.h> because that's how it is included in Linux too. DRM drivers depend on this. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D39052 --- sys/compat/linuxkpi/common/include/asm/memtype.h | 18 ++++++++++++++++++ sys/compat/linuxkpi/common/include/linux/pci.h | 1 + 2 files changed, 19 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/asm/memtype.h b/sys/compat/linuxkpi/common/include/asm/memtype.h new file mode 100644 index 000000000000..c433e54fd7bf --- /dev/null +++ b/sys/compat/linuxkpi/common/include/asm/memtype.h @@ -0,0 +1,18 @@ +/* Public domain. */ + +#ifndef _LINUXKPI_ASM_MEMTYPE_H_ +#define _LINUXKPI_ASM_MEMTYPE_H_ + +#if defined(__amd64__) || defined(__i386__) + +#include <asm/cpufeature.h> + +static inline bool +pat_enabled(void) +{ + return (boot_cpu_has(X86_FEATURE_PAT)); +} + +#endif + +#endif /* _LINUXKPI_ASM_MEMTYPE_H_ */ diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h index 2c222bf1cdbe..8077a75c4dd9 100644 --- a/sys/compat/linuxkpi/common/include/linux/pci.h +++ b/sys/compat/linuxkpi/common/include/linux/pci.h @@ -57,6 +57,7 @@ #include <linux/compiler.h> #include <linux/errno.h> #include <asm/atomic.h> +#include <asm/memtype.h> #include <linux/device.h> #include <linux/pci_ids.h> #include <linux/pm.h>