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984bfb373f
Resolve an assortment of style inconsistencies including use of white space, typos, capitalization, and line wrapping. There is no functional change. Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: George Melikov <mail@gmelikov.ru> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #9030
69 lines
1.8 KiB
Plaintext
69 lines
1.8 KiB
Plaintext
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 # 5.0: All kernel fpu functions are GPL only, so we can't use them.
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dnl # (nothing defined)
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dnl #
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dnl # 4.2: Use __kernel_fpu_{begin,end}()
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dnl # HAVE_UNDERSCORE_KERNEL_FPU & KERNEL_EXPORTS_X86_FPU
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dnl #
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dnl # Pre-4.2: Use kernel_fpu_{begin,end}()
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dnl # HAVE_KERNEL_FPU & KERNEL_EXPORTS_X86_FPU
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_FPU], [
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AC_MSG_CHECKING([which kernel_fpu header to use])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/module.h>
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#include <asm/fpu/api.h>
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],[
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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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],[
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AC_MSG_RESULT(i387.h & xcr.h)
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])
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AC_MSG_CHECKING([which kernel_fpu function to use])
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ZFS_LINUX_TRY_COMPILE_SYMBOL([
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#include <linux/module.h>
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#ifdef HAVE_KERNEL_FPU_API_HEADER
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#include <asm/fpu/api.h>
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#else
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#include <asm/i387.h>
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#include <asm/xcr.h>
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#endif
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MODULE_LICENSE("$ZFS_META_LICENSE");
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],[
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kernel_fpu_begin();
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kernel_fpu_end();
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], [kernel_fpu_begin], [arch/x86/kernel/fpu/core.c], [
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AC_MSG_RESULT(kernel_fpu_*)
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AC_DEFINE(HAVE_KERNEL_FPU, 1,
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[kernel has kernel_fpu_* functions])
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AC_DEFINE(KERNEL_EXPORTS_X86_FPU, 1,
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[kernel exports FPU functions])
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],[
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ZFS_LINUX_TRY_COMPILE_SYMBOL([
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#include <linux/module.h>
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#ifdef HAVE_KERNEL_FPU_API_HEADER
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#include <asm/fpu/api.h>
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#else
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#include <asm/i387.h>
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#include <asm/xcr.h>
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#endif
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MODULE_LICENSE("$ZFS_META_LICENSE");
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],[
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__kernel_fpu_begin();
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__kernel_fpu_end();
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], [__kernel_fpu_begin], [arch/x86/kernel/fpu/core.c arch/x86/kernel/i387.c], [
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AC_MSG_RESULT(__kernel_fpu_*)
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AC_DEFINE(HAVE_UNDERSCORE_KERNEL_FPU, 1, [kernel has __kernel_fpu_* functions])
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AC_DEFINE(KERNEL_EXPORTS_X86_FPU, 1, [kernel exports FPU functions])
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],[
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AC_MSG_RESULT(not exported)
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])
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])
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])
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