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Commit c3e5523f authored by Helge Deller's avatar Helge Deller
Browse files

parisc: Drop per_cpu uaccess related exception_data struct 



The last users have been migrated off by commits d19f5e41 ("parisc:
Clean up fixup routines for get_user()/put_user()") and 554bfece
("parisc: Fix access fault handling in pa_memcpy()").

Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent 741394ca

arch/parisc/include/asm/uaccess.h

+0 −11
Original line number Diff line number Diff line
@@ -68,17 +68,6 @@ struct exception_table_entry { 
#define ASM_EXCEPTIONTABLE_ENTRY_EFAULT( fault_addr, except_addr )\

	ASM_EXCEPTIONTABLE_ENTRY( fault_addr, except_addr + 1)



/*

 * The page fault handler stores, in a per-cpu area, the following information

 * if a fixup routine is available.

 */

struct exception_data {

	unsigned long fault_ip;

	unsigned long fault_gp;

	unsigned long fault_space;

	unsigned long fault_addr;

};



/*

 * load_sr2() preloads the space register %%sr2 - based on the value of

 * get_fs() - with either a value of 0 to access kernel space (KERNEL_DS which

arch/parisc/kernel/asm-offsets.c

+0 −5
Original line number Diff line number Diff line
@@ -297,11 +297,6 @@ int main(void) 
#else

	DEFINE(HUGEPAGE_SIZE, PAGE_SIZE);

#endif

	BLANK();

	DEFINE(EXCDATA_IP, offsetof(struct exception_data, fault_ip));

	DEFINE(EXCDATA_GP, offsetof(struct exception_data, fault_gp));

	DEFINE(EXCDATA_SPACE, offsetof(struct exception_data, fault_space));

	DEFINE(EXCDATA_ADDR, offsetof(struct exception_data, fault_addr));

	BLANK();

	DEFINE(ASM_PDC_RESULT_SIZE, NUM_PDC_RESULT * sizeof(unsigned long));

	BLANK();

arch/parisc/mm/fault.c

+0 −9
Original line number Diff line number Diff line
@@ -29,8 +29,6 @@ 
#define BITSSET		0x1c0	/* for identifying LDCW */





DEFINE_PER_CPU(struct exception_data, exception_data);



int show_unhandled_signals = 1;



/*
@@ -143,13 +141,6 @@ int fixup_exception(struct pt_regs *regs) 


	fix = search_exception_tables(regs->iaoq[0]);

	if (fix) {

		struct exception_data *d;

		d = this_cpu_ptr(&exception_data);

		d->fault_ip = regs->iaoq[0];

		d->fault_gp = regs->gr[27];

		d->fault_space = regs->isr;

		d->fault_addr = regs->ior;



		/*

		 * Fix up get_user() and put_user().

		 * ASM_EXCEPTIONTABLE_ENTRY_EFAULT() sets the least-significant