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linux: remove kernel version checks for unsupported kernels

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Following 2b069768a (#16479), anything gated on a kernel version before
4.18 can be always included/excluded.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16545
This commit is contained in:
Rob Norris 2024-09-19 13:03:47 +10:00 committed by Brian Behlendorf
parent a877b39624
commit a83762b3f4
3 changed files with 1 additions and 22 deletions
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10
include/os/linux/kernel/linux/simd_aarch64.h
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@ -56,17 +56,7 @@
#include <asm/elf.h>
#include <asm/hwcap.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 17, 0)
#include <asm/sysreg.h>
#else
#define sys_reg(op0, op1, crn, crm, op2) ( \
((op0) << Op0_shift) | \
((op1) << Op1_shift) | \
((crn) << CRn_shift) | \
((crm) << CRm_shift) | \
((op2) << Op2_shift))
#endif
#define ID_AA64PFR0_EL1 sys_reg(3, 0, 0, 1, 0)
#define ID_AA64ISAR0_EL1 sys_reg(3, 0, 0, 6, 0)

11
include/os/linux/kernel/linux/simd_powerpc.h
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@ -56,16 +56,10 @@
#include <asm/switch_to.h>
#include <sys/types.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0)
#include <asm/cpufeature.h>
#else
#include <asm/cputable.h>
#endif
#define kfpu_allowed() 1
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)
#ifdef CONFIG_ALTIVEC
#define ENABLE_KERNEL_ALTIVEC enable_kernel_altivec();
#define DISABLE_KERNEL_ALTIVEC disable_kernel_altivec();
@ -101,11 +95,6 @@
DISABLE_KERNEL_ALTIVEC \
preempt_enable(); \
}
#else
/* seems that before 4.5 no-one bothered */
#define kfpu_begin()
#define kfpu_end() preempt_enable()
#endif /* Linux version >= 4.5 */
#define kfpu_init() 0
#define kfpu_fini() ((void) 0)

2
module/os/linux/spl/spl-proc.c
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@ -39,7 +39,7 @@
#include <linux/version.h>
#include "zfs_gitrev.h"
#if defined(CONSTIFY_PLUGIN) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)
#if defined(CONSTIFY_PLUGIN)
typedef struct ctl_table __no_const spl_ctl_table;
#else
typedef struct ctl_table spl_ctl_table;