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authorHelge Deller <deller@gmx.de>2017-04-02 16:51:58 +0200
committerHelge Deller <deller@gmx.de>2017-05-10 17:46:13 +0200
commitc3e5523fcffdc9df8faa7d66f5ad8c1c833e1795 (patch)
tree6b49b3c65028a1aab7e5cd07e0cc4072a729cf09
parent741394ca54ac6701841a46a84cfa9a0a4ddd6969 (diff)
parisc: Drop per_cpu uaccess related exception_data struct
The last users have been migrated off by commits d19f5e41b344 ("parisc: Clean up fixup routines for get_user()/put_user()") and 554bfeceb8a2 ("parisc: Fix access fault handling in pa_memcpy()"). Signed-off-by: Helge Deller <deller@gmx.de>
-rw-r--r--arch/parisc/include/asm/uaccess.h11
-rw-r--r--arch/parisc/kernel/asm-offsets.c5
-rw-r--r--arch/parisc/mm/fault.c9
3 files changed, 0 insertions, 25 deletions
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 6b113f39f30c..c3e114f67485 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -69,17 +69,6 @@ struct exception_table_entry {
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
* is 0), or with the current value of %%sr3 to access user space (USER_DS)
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index 1c4fe61a592b..dfff8a0d6fd1 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -298,11 +298,6 @@ int main(void)
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();
return 0;
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 32ec22146141..fdc34cf4eb0e 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -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