Commit 6df8cd3d authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: ERROR: "sys_ioctl" [arch/sparc64/solaris/solaris.ko] undefined!
  [SPARC32]: Make PAGE_SHARED a read-mostly variable.
  [SPARC32]: Take enable_irq/disable_irq out of line.
  [SPARC32]: clean include/asm-sparc/irq.h
  [SPARC32]: Fix rounding errors in ndelay/udelay implementation.
parents 08f1c192 3167d93f
......@@ -1749,8 +1749,8 @@ fpload:
__ndelay:
save %sp, -STACKFRAME_SZ, %sp
mov %i0, %o0
call .umul
mov 0x1ad, %o1 ! 2**32 / (1 000 000 000 / HZ)
call .umul ! round multiplier up so large ns ok
mov 0x1ae, %o1 ! 2**32 / (1 000 000 000 / HZ)
call .umul
mov %i1, %o1 ! udelay_val
ba delay_continue
......@@ -1760,11 +1760,17 @@ __ndelay:
__udelay:
save %sp, -STACKFRAME_SZ, %sp
mov %i0, %o0
sethi %hi(0x10c6), %o1
sethi %hi(0x10c7), %o1 ! round multiplier up so large us ok
call .umul
or %o1, %lo(0x10c6), %o1 ! 2**32 / 1 000 000
or %o1, %lo(0x10c7), %o1 ! 2**32 / 1 000 000
call .umul
mov %i1, %o1 ! udelay_val
sethi %hi(0x028f4b62), %l0 ! Add in rounding constant * 2**32,
or %g0, %lo(0x028f4b62), %l0
addcc %o0, %l0, %o0 ! 2**32 * 0.009 999
bcs,a 3f
add %o1, 0x01, %o1
3:
call .umul
mov HZ, %o0 ! >>32 earlier for wider range
......
......@@ -47,6 +47,8 @@
#include <asm/cacheflush.h>
#include <asm/irq_regs.h>
#include "irq.h"
#ifdef CONFIG_SMP
#define SMP_NOP2 "nop; nop;\n\t"
#define SMP_NOP3 "nop; nop; nop;\n\t"
......@@ -268,7 +270,7 @@ void free_irq(unsigned int irq, void *dev_id)
kfree(action);
if (!sparc_irq[cpu_irq].action)
disable_irq(irq);
__disable_irq(irq);
out_unlock:
spin_unlock_irqrestore(&irq_action_lock, flags);
......@@ -464,7 +466,7 @@ int request_fast_irq(unsigned int irq,
sparc_irq[cpu_irq].action = action;
enable_irq(irq);
__enable_irq(irq);
ret = 0;
out_unlock:
......@@ -544,7 +546,7 @@ int request_irq(unsigned int irq,
*actionp = action;
enable_irq(irq);
__enable_irq(irq);
ret = 0;
out_unlock:
......@@ -555,6 +557,25 @@ out:
EXPORT_SYMBOL(request_irq);
void disable_irq_nosync(unsigned int irq)
{
return __disable_irq(irq);
}
EXPORT_SYMBOL(disable_irq_nosync);
void disable_irq(unsigned int irq)
{
return __disable_irq(irq);
}
EXPORT_SYMBOL(disable_irq);
void enable_irq(unsigned int irq)
{
return __enable_irq(irq);
}
EXPORT_SYMBOL(enable_irq);
/* We really don't need these at all on the Sparc. We only have
* stubs here because they are exported to modules.
*/
......
#include <asm/btfixup.h>
/* Dave Redman (djhr@tadpole.co.uk)
* changed these to function pointers.. it saves cycles and will allow
* the irq dependencies to be split into different files at a later date
* sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
* Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Changed these to btfixup entities... It saves cycles :)
*/
BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, clear_clock_irq, void)
BTFIXUPDEF_CALL(void, clear_profile_irq, int)
BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
static inline void __disable_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_irq)(irq);
}
static inline void __enable_irq(unsigned int irq)
{
BTFIXUP_CALL(enable_irq)(irq);
}
static inline void disable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_pil_irq)(irq);
}
static inline void enable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(enable_pil_irq)(irq);
}
static inline void clear_clock_irq(void)
{
BTFIXUP_CALL(clear_clock_irq)();
}
static inline void clear_profile_irq(int irq)
{
BTFIXUP_CALL(clear_profile_irq)(irq);
}
static inline void load_profile_irq(int cpu, int limit)
{
BTFIXUP_CALL(load_profile_irq)(cpu, limit);
}
extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
extern void claim_ticker14(irq_handler_t irq_handler,
int irq,
unsigned int timeout);
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
BTFIXUPDEF_CALL(void, set_irq_udt, int)
#define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level)
#define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level)
#define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
#endif
......@@ -36,6 +36,7 @@
#include <asm/uaccess.h>
#include <asm/irq_regs.h>
#include "irq.h"
/*
* I studied different documents and many live PROMs both from 2.30
......
......@@ -33,6 +33,8 @@
#include <asm/tlbflush.h>
#include <asm/cpudata.h>
#include "irq.h"
int smp_num_cpus = 1;
volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,};
unsigned char boot_cpu_id = 0;
......
......@@ -154,8 +154,6 @@ EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32));
#else
EXPORT_SYMBOL(BTFIXUP_CALL(__hard_smp_processor_id));
#endif
EXPORT_SYMBOL(BTFIXUP_CALL(enable_irq));
EXPORT_SYMBOL(BTFIXUP_CALL(disable_irq));
EXPORT_SYMBOL(BTFIXUP_CALL(mmu_unlockarea));
EXPORT_SYMBOL(BTFIXUP_CALL(mmu_lockarea));
EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_sgl));
......
......@@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/init.h>
#include "irq.h"
#include <asm/ptrace.h>
#include <asm/processor.h>
......@@ -40,6 +41,20 @@ static struct resource sun4c_timer_eb = { "sun4c_timer" };
static struct resource sun4c_intr_eb = { "sun4c_intr" };
#endif
/*
* Bit field defines for the interrupt registers on various
* Sparc machines.
*/
/* The sun4c interrupt register. */
#define SUN4C_INT_ENABLE 0x01 /* Allow interrupts. */
#define SUN4C_INT_E14 0x80 /* Enable level 14 IRQ. */
#define SUN4C_INT_E10 0x20 /* Enable level 10 IRQ. */
#define SUN4C_INT_E8 0x10 /* Enable level 8 IRQ. */
#define SUN4C_INT_E6 0x08 /* Enable level 6 IRQ. */
#define SUN4C_INT_E4 0x04 /* Enable level 4 IRQ. */
#define SUN4C_INT_E1 0x02 /* Enable level 1 IRQ. */
/* Pointer to the interrupt enable byte
*
* Dave Redman (djhr@tadpole.co.uk)
......
......@@ -39,6 +39,8 @@
#include <asm/cacheflush.h>
#include <asm/irq_regs.h>
#include "irq.h"
/* If you trust current SCSI layer to handle different SCSI IRQs, enable this. I don't trust it... -jj */
/* #define DISTRIBUTE_IRQS */
......@@ -188,7 +190,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
kfree(action);
if (!(*actionp))
disable_irq(irq);
__disable_irq(irq);
out_unlock:
spin_unlock_irqrestore(&irq_action_lock, flags);
......@@ -346,7 +348,7 @@ int sun4d_request_irq(unsigned int irq,
else
*actionp = action;
enable_irq(irq);
__enable_irq(irq);
ret = 0;
out_unlock:
......
......@@ -36,6 +36,7 @@
#include <asm/cacheflush.h>
#include <asm/cpudata.h>
#include "irq.h"
#define IRQ_CROSS_CALL 15
extern ctxd_t *srmmu_ctx_table_phys;
......
......@@ -38,11 +38,85 @@
#include <asm/sbus.h>
#include <asm/cacheflush.h>
#include "irq.h"
/* On the sun4m, just like the timers, we have both per-cpu and master
* interrupt registers.
*/
/* These registers are used for sending/receiving irqs from/to
* different cpu's.
*/
struct sun4m_intreg_percpu {
unsigned int tbt; /* Interrupts still pending for this cpu. */
/* These next two registers are WRITE-ONLY and are only
* "on bit" sensitive, "off bits" written have NO affect.
*/
unsigned int clear; /* Clear this cpus irqs here. */
unsigned int set; /* Set this cpus irqs here. */
unsigned char space[PAGE_SIZE - 12];
};
/*
* djhr
* Actually the clear and set fields in this struct are misleading..
* according to the SLAVIO manual (and the same applies for the SEC)
* the clear field clears bits in the mask which will ENABLE that IRQ
* the set field sets bits in the mask to DISABLE the IRQ.
*
* Also the undirected_xx address in the SLAVIO is defined as
* RESERVED and write only..
*
* DAVEM_NOTE: The SLAVIO only specifies behavior on uniprocessor
* sun4m machines, for MP the layout makes more sense.
*/
struct sun4m_intregs {
struct sun4m_intreg_percpu cpu_intregs[SUN4M_NCPUS];
unsigned int tbt; /* IRQ's that are still pending. */
unsigned int irqs; /* Master IRQ bits. */
/* Again, like the above, two these registers are WRITE-ONLY. */
unsigned int clear; /* Clear master IRQ's by setting bits here. */
unsigned int set; /* Set master IRQ's by setting bits here. */
/* This register is both READ and WRITE. */
unsigned int undirected_target; /* Which cpu gets undirected irqs. */
};
static unsigned long dummy;
struct sun4m_intregs *sun4m_interrupts;
unsigned long *irq_rcvreg = &dummy;
/* Dave Redman (djhr@tadpole.co.uk)
* The sun4m interrupt registers.
*/
#define SUN4M_INT_ENABLE 0x80000000
#define SUN4M_INT_E14 0x00000080
#define SUN4M_INT_E10 0x00080000
#define SUN4M_HARD_INT(x) (0x000000001 << (x))
#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */
#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */
#define SUN4M_INT_M2S_WRITE 0x20000000 /* write buffer error */
#define SUN4M_INT_ECC 0x10000000 /* ecc memory error */
#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */
#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */
#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */
#define SUN4M_INT_REALTIME 0x00080000 /* system timer */
#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */
#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */
#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */
#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */
#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */
#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */
#define SUN4M_INT_SBUS(x) (1 << (x+7))
#define SUN4M_INT_VME(x) (1 << (x))
/* These tables only apply for interrupts greater than 15..
*
* any intr value below 0x10 is considered to be a soft-int
......
......@@ -31,6 +31,8 @@
#include <asm/oplib.h>
#include <asm/cpudata.h>
#include "irq.h"
#define IRQ_RESCHEDULE 13
#define IRQ_STOP_CPU 14
#define IRQ_CROSS_CALL 15
......
......@@ -25,6 +25,8 @@
#include <asm/irq.h>
#include <asm/io.h>
#include "irq.h"
extern unsigned long lvl14_save[5];
static unsigned long *linux_lvl14 = NULL;
static unsigned long obp_lvl14[4];
......@@ -62,7 +64,7 @@ void claim_ticker14(irq_handler_t handler,
/* first we copy the obp handler instructions
*/
disable_irq(irq_nr);
__disable_irq(irq_nr);
if (!handler)
return;
......@@ -79,6 +81,6 @@ void claim_ticker14(irq_handler_t handler,
NULL)) {
install_linux_ticker();
load_profile_irq(cpu, timeout);
enable_irq(irq_nr);
__enable_irq(irq_nr);
}
}
......@@ -44,6 +44,8 @@
#include <asm/of_device.h>
#include <asm/irq_regs.h>
#include "irq.h"
DEFINE_SPINLOCK(rtc_lock);
enum sparc_clock_type sp_clock_typ;
DEFINE_SPINLOCK(mostek_lock);
......
......@@ -308,6 +308,9 @@ extern void sun4c_paging_init(void);
extern void srmmu_paging_init(void);
extern void device_scan(void);
pgprot_t PAGE_SHARED __read_mostly;
EXPORT_SYMBOL(PAGE_SHARED);
void __init paging_init(void)
{
switch(sparc_cpu_model) {
......
......@@ -2154,7 +2154,7 @@ void __init ld_mmu_srmmu(void)
BTFIXUPSET_SIMM13(ptrs_per_pgd, SRMMU_PTRS_PER_PGD);
BTFIXUPSET_INT(page_none, pgprot_val(SRMMU_PAGE_NONE));
BTFIXUPSET_INT(page_shared, pgprot_val(SRMMU_PAGE_SHARED));
PAGE_SHARED = pgprot_val(SRMMU_PAGE_SHARED);
BTFIXUPSET_INT(page_copy, pgprot_val(SRMMU_PAGE_COPY));
BTFIXUPSET_INT(page_readonly, pgprot_val(SRMMU_PAGE_RDONLY));
BTFIXUPSET_INT(page_kernel, pgprot_val(SRMMU_PAGE_KERNEL));
......
......@@ -2155,7 +2155,7 @@ void __init ld_mmu_sun4c(void)
BTFIXUPSET_SIMM13(user_ptrs_per_pgd, KERNBASE / SUN4C_PGDIR_SIZE);
BTFIXUPSET_INT(page_none, pgprot_val(SUN4C_PAGE_NONE));
BTFIXUPSET_INT(page_shared, pgprot_val(SUN4C_PAGE_SHARED));
PAGE_SHARED = pgprot_val(SUN4C_PAGE_SHARED);
BTFIXUPSET_INT(page_copy, pgprot_val(SUN4C_PAGE_COPY));
BTFIXUPSET_INT(page_readonly, pgprot_val(SUN4C_PAGE_READONLY));
BTFIXUPSET_INT(page_kernel, pgprot_val(SUN4C_PAGE_KERNEL));
......
......@@ -280,6 +280,7 @@ EXPORT_SYMBOL(sys_getgid);
EXPORT_SYMBOL(svr4_getcontext);
EXPORT_SYMBOL(svr4_setcontext);
EXPORT_SYMBOL(compat_sys_ioctl);
EXPORT_SYMBOL(sys_ioctl);
EXPORT_SYMBOL(sparc32_open);
#endif
......
......@@ -7,178 +7,16 @@
#ifndef _SPARC_IRQ_H
#define _SPARC_IRQ_H
#include <linux/linkage.h>
#include <linux/threads.h> /* For NR_CPUS */
#include <linux/interrupt.h>
#include <asm/system.h> /* For SUN4M_NCPUS */
#include <asm/btfixup.h>
#define __irq_ino(irq) irq
#define __irq_pil(irq) irq
#define NR_IRQS 16
#define irq_canonicalize(irq) (irq)
/* Dave Redman (djhr@tadpole.co.uk)
* changed these to function pointers.. it saves cycles and will allow
* the irq dependencies to be split into different files at a later date
* sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
* Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Changed these to btfixup entities... It saves cycles :)
*/
BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, clear_clock_irq, void)
BTFIXUPDEF_CALL(void, clear_profile_irq, int)
BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
static inline void disable_irq_nosync(unsigned int irq)
{
BTFIXUP_CALL(disable_irq)(irq);
}
static inline void disable_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_irq)(irq);
}
static inline void enable_irq(unsigned int irq)
{
BTFIXUP_CALL(enable_irq)(irq);
}
static inline void disable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_pil_irq)(irq);
}
static inline void enable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(enable_pil_irq)(irq);
}
static inline void clear_clock_irq(void)
{
BTFIXUP_CALL(clear_clock_irq)();
}
static inline void clear_profile_irq(int irq)
{
BTFIXUP_CALL(clear_profile_irq)(irq);
}
static inline void load_profile_irq(int cpu, int limit)
{
BTFIXUP_CALL(load_profile_irq)(cpu, limit);
}
extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
extern void claim_ticker14(irq_handler_t irq_handler,
int irq,
unsigned int timeout);
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
BTFIXUPDEF_CALL(void, set_irq_udt, int)
#define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level)
#define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level)
#define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
#endif
extern void disable_irq_nosync(unsigned int irq);
extern void disable_irq(unsigned int irq);
extern void enable_irq(unsigned int irq);
extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname);
/* On the sun4m, just like the timers, we have both per-cpu and master
* interrupt registers.
*/
/* These registers are used for sending/receiving irqs from/to
* different cpu's.
*/
struct sun4m_intreg_percpu {
unsigned int tbt; /* Interrupts still pending for this cpu. */
/* These next two registers are WRITE-ONLY and are only
* "on bit" sensitive, "off bits" written have NO affect.
*/
unsigned int clear; /* Clear this cpus irqs here. */
unsigned int set; /* Set this cpus irqs here. */
unsigned char space[PAGE_SIZE - 12];
};
/*
* djhr
* Actually the clear and set fields in this struct are misleading..
* according to the SLAVIO manual (and the same applies for the SEC)
* the clear field clears bits in the mask which will ENABLE that IRQ
* the set field sets bits in the mask to DISABLE the IRQ.
*
* Also the undirected_xx address in the SLAVIO is defined as
* RESERVED and write only..
*
* DAVEM_NOTE: The SLAVIO only specifies behavior on uniprocessor
* sun4m machines, for MP the layout makes more sense.
*/
struct sun4m_intregs {
struct sun4m_intreg_percpu cpu_intregs[SUN4M_NCPUS];
unsigned int tbt; /* IRQ's that are still pending. */
unsigned int irqs; /* Master IRQ bits. */
/* Again, like the above, two these registers are WRITE-ONLY. */
unsigned int clear; /* Clear master IRQ's by setting bits here. */
unsigned int set; /* Set master IRQ's by setting bits here. */
/* This register is both READ and WRITE. */
unsigned int undirected_target; /* Which cpu gets undirected irqs. */
};
extern struct sun4m_intregs *sun4m_interrupts;
/*
* Bit field defines for the interrupt registers on various
* Sparc machines.
*/
/* The sun4c interrupt register. */
#define SUN4C_INT_ENABLE 0x01 /* Allow interrupts. */
#define SUN4C_INT_E14 0x80 /* Enable level 14 IRQ. */
#define SUN4C_INT_E10 0x20 /* Enable level 10 IRQ. */
#define SUN4C_INT_E8 0x10 /* Enable level 8 IRQ. */
#define SUN4C_INT_E6 0x08 /* Enable level 6 IRQ. */
#define SUN4C_INT_E4 0x04 /* Enable level 4 IRQ. */
#define SUN4C_INT_E1 0x02 /* Enable level 1 IRQ. */
/* Dave Redman (djhr@tadpole.co.uk)
* The sun4m interrupt registers.
*/
#define SUN4M_INT_ENABLE 0x80000000
#define SUN4M_INT_E14 0x00000080
#define SUN4M_INT_E10 0x00080000
#define SUN4M_HARD_INT(x) (0x000000001 << (x))
#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */
#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */
#define SUN4M_INT_M2S_WRITE 0x20000000 /* write buffer error */
#define SUN4M_INT_ECC 0x10000000 /* ecc memory error */
#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */
#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */
#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */
#define SUN4M_INT_REALTIME 0x00080000 /* system timer */
#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */
#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */
#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */
#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */
#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */
#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */
#define SUN4M_INT_SBUS(x) (1 << (x+7))
#define SUN4M_INT_VME(x) (1 << (x))
#endif
......@@ -46,7 +46,6 @@ BTFIXUPDEF_SIMM13(user_ptrs_per_pgd)
#define pgd_ERROR(e) __builtin_trap()
BTFIXUPDEF_INT(page_none)
BTFIXUPDEF_INT(page_shared)
BTFIXUPDEF_INT(page_copy)
BTFIXUPDEF_INT(page_readonly)
BTFIXUPDEF_INT(page_kernel)
......@@ -66,7 +65,7 @@ BTFIXUPDEF_INT(page_kernel)
#define PTE_SIZE (PTRS_PER_PTE*4)
#define PAGE_NONE __pgprot(BTFIXUP_INT(page_none))
#define PAGE_SHARED __pgprot(BTFIXUP_INT(page_shared))
extern pgprot_t PAGE_SHARED;
#define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy))
#define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly))
......
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