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Linux 5.19 compat: asm/fpu/internal.h 

As of the Linux 5.19 kernel the asm/fpu/internal.h header was
entirely removed.  It has been effectively empty since the 5.16
kernel and provides no required functionality.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Attila Fülöp <attila@fueloep.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13529
This commit is contained in:
Brian Behlendorf 2022-05-31 17:26:47 -07:00
parent 69430e39e3
commit 1c4e6a312c
2 changed files with 26 additions and 7 deletions
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31
config/kernel-fpu.m4
View File

@ -2,6 +2,9 @@ dnl #
dnl # Handle differences in kernel FPU code.
dnl #
dnl # Kernel
dnl # 5.19: The asm/fpu/internal.h header was removed, it has been
dnl # effectively empty since the 5.16 kernel.
dnl #
dnl # 5.16: XCR code put into asm/fpu/xcr.h
dnl # HAVE_KERNEL_FPU_XCR_HEADER
dnl #
@ -33,21 +36,31 @@ AC_DEFUN([ZFS_AC_KERNEL_FPU_HEADER], [
],[
AC_DEFINE(HAVE_KERNEL_FPU_API_HEADER, 1,
[kernel has asm/fpu/api.h])
AC_MSG_RESULT(asm/fpu/api.h)
AC_MSG_CHECKING([whether fpu/xcr header is available])
fpu_headers="asm/fpu/api.h"
ZFS_LINUX_TRY_COMPILE([
#include <linux/module.h>
#include <asm/fpu/xcr.h>
],[
],[
AC_DEFINE(HAVE_KERNEL_FPU_XCR_HEADER, 1,
[kernel has asm/fpu/xcr.h])
AC_MSG_RESULT(asm/fpu/xcr.h)
],[
AC_MSG_RESULT(no asm/fpu/xcr.h)
[kernel has asm/fpu/xcr.h])
fpu_headers="$fpu_headers asm/fpu/xcr.h"
])
ZFS_LINUX_TRY_COMPILE([
#include <linux/module.h>
#include <asm/fpu/internal.h>
],[
],[
AC_DEFINE(HAVE_KERNEL_FPU_INTERNAL_HEADER, 1,
[kernel has asm/fpu/internal.h])
fpu_headers="$fpu_headers asm/fpu/internal.h"
])
AC_MSG_RESULT([$fpu_headers])
],[
AC_MSG_RESULT(i387.h & xcr.h)
AC_MSG_RESULT([i387.h & xcr.h])
])
])
@ -93,7 +106,9 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_FPU], [
#include <linux/types.h>
#ifdef HAVE_KERNEL_FPU_API_HEADER
#include <asm/fpu/api.h>
#ifdef HAVE_KERNEL_FPU_INTERNAL_HEADER
#include <asm/fpu/internal.h>
#endif
#else
#include <asm/i387.h>
#include <asm/xcr.h>
@ -130,7 +145,9 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_FPU], [
#include <linux/types.h>
#ifdef HAVE_KERNEL_FPU_API_HEADER
#include <asm/fpu/api.h>
#ifdef HAVE_KERNEL_FPU_INTERNAL_HEADER
#include <asm/fpu/internal.h>
#endif
#else
#include <asm/i387.h>
#include <asm/xcr.h>

2
include/os/linux/kernel/linux/simd_x86.h
View File

@ -87,7 +87,9 @@
#if defined(HAVE_KERNEL_FPU_API_HEADER)
#include <asm/fpu/api.h>
#if defined(HAVE_KERNEL_FPU_INTERNAL_HEADER)
#include <asm/fpu/internal.h>
#endif
#if defined(HAVE_KERNEL_FPU_XCR_HEADER)
#include <asm/fpu/xcr.h>
#endif