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
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@ -2,6 +2,9 @@ dnl #
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dnl # Handle differences in kernel FPU code.
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dnl #
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dnl # Kernel
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dnl # 5.19: The asm/fpu/internal.h header was removed, it has been
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dnl # effectively empty since the 5.16 kernel.
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dnl #
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dnl # 5.11: kernel_fpu_begin() is an inlined function now, so don't check
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dnl # for it inside the kernel symbols.
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dnl #
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@ -27,10 +30,22 @@ AC_DEFUN([ZFS_AC_KERNEL_FPU_HEADER], [
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],[
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AC_DEFINE(HAVE_KERNEL_FPU_API_HEADER, 1,
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[kernel has asm/fpu/api.h])
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AC_MSG_RESULT(asm/fpu/api.h)
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/module.h>
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#include <asm/fpu/internal.h>
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],[
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AC_MSG_RESULT(i387.h)
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],[
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AC_DEFINE(HAVE_KERNEL_FPU_INTERNAL_HEADER, 1,
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[kernel has asm/fpu/internal.h])
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AC_MSG_RESULT([asm/fpu/api.h asm/fpu/internal.h])
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],[
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AC_MSG_RESULT([asm/fpu/api.h])
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])
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],[
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AC_MSG_RESULT([i387.h])
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_FPU], [
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@ -38,7 +53,9 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_FPU], [
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#include <linux/types.h>
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#ifdef HAVE_KERNEL_FPU_API_HEADER
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#include <asm/fpu/api.h>
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#ifdef HAVE_KERNEL_FPU_INTERNAL_HEADER
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#include <asm/fpu/internal.h>
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#endif
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#else
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#include <asm/i387.h>
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#endif
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@ -51,7 +68,9 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_FPU], [
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#include <linux/types.h>
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#ifdef HAVE_KERNEL_FPU_API_HEADER
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#include <asm/fpu/api.h>
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#ifdef HAVE_KERNEL_FPU_INTERNAL_HEADER
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#include <asm/fpu/internal.h>
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#endif
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#else
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#include <asm/i387.h>
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#endif
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@ -93,7 +93,9 @@
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#if defined(HAVE_KERNEL_FPU_API_HEADER)
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#include <asm/fpu/api.h>
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#if defined(HAVE_KERNEL_FPU_INTERNAL_HEADER)
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#include <asm/fpu/internal.h>
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#endif
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#else
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#include <asm/i387.h>
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#endif
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