Contributors: 21
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Thomas Gleixner |
37 |
20.11% |
2 |
7.41% |
| Al Viro |
22 |
11.96% |
1 |
3.70% |
| Borislav Petkov |
19 |
10.33% |
4 |
14.81% |
| Andrew Lutomirski |
15 |
8.15% |
2 |
7.41% |
| Alexei Starovoitov |
14 |
7.61% |
1 |
3.70% |
| Mathias Krause |
13 |
7.07% |
1 |
3.70% |
| H. Peter Anvin |
12 |
6.52% |
1 |
3.70% |
| Tony Luck |
9 |
4.89% |
2 |
7.41% |
| Harvey Harrison |
8 |
4.35% |
1 |
3.70% |
| Jann Horn |
8 |
4.35% |
1 |
3.70% |
| Chen Gong |
5 |
2.72% |
1 |
3.70% |
| Ingo Molnar |
4 |
2.17% |
1 |
3.70% |
| Linus Torvalds (pre-git) |
4 |
2.17% |
1 |
3.70% |
| Andi Kleen |
3 |
1.63% |
1 |
3.70% |
| Naveen N. Rao |
2 |
1.09% |
1 |
3.70% |
| Glauber de Oliveira Costa |
2 |
1.09% |
1 |
3.70% |
| Yazen Ghannam |
2 |
1.09% |
1 |
3.70% |
| Peter Zijlstra |
2 |
1.09% |
1 |
3.70% |
| Paul Gortmaker |
1 |
0.54% |
1 |
3.70% |
| Ard Biesheuvel |
1 |
0.54% |
1 |
3.70% |
| Greg Kroah-Hartman |
1 |
0.54% |
1 |
3.70% |
| Total |
184 |
|
27 |
|
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_EXTABLE_H
#define _ASM_X86_EXTABLE_H
#include <asm/extable_fixup_types.h>
/*
* The exception table consists of two addresses relative to the
* exception table entry itself and a type selector field.
*
* The first address is of an instruction that is allowed to fault, the
* second is the target at which the program should continue.
*
* The type entry is used by fixup_exception() to select the handler to
* deal with the fault caused by the instruction in the first field.
*
* All the routines below use bits of fixup code that are out of line
* with the main instruction path. This means when everything is well,
* we don't even have to jump over them. Further, they do not intrude
* on our cache or tlb entries.
*/
struct exception_table_entry {
int insn, fixup, data;
};
struct pt_regs;
#define ARCH_HAS_RELATIVE_EXTABLE
#define swap_ex_entry_fixup(a, b, tmp, delta) \
do { \
(a)->fixup = (b)->fixup + (delta); \
(b)->fixup = (tmp).fixup - (delta); \
(a)->data = (b)->data; \
(b)->data = (tmp).data; \
} while (0)
extern int fixup_exception(struct pt_regs *regs, int trapnr,
unsigned long error_code, unsigned long fault_addr);
extern int ex_get_fixup_type(unsigned long ip);
extern void early_fixup_exception(struct pt_regs *regs, int trapnr);
#ifdef CONFIG_X86_MCE
extern void __noreturn ex_handler_msr_mce(struct pt_regs *regs, bool wrmsr);
#else
static inline void __noreturn ex_handler_msr_mce(struct pt_regs *regs, bool wrmsr)
{
for (;;)
cpu_relax();
}
#endif
#if defined(CONFIG_BPF_JIT) && defined(CONFIG_X86_64)
bool ex_handler_bpf(const struct exception_table_entry *x, struct pt_regs *regs);
#else
static inline bool ex_handler_bpf(const struct exception_table_entry *x,
struct pt_regs *regs) { return false; }
#endif
#endif