diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/ia64/include/asm/early_ioremap.h | 10 | ||||
| -rw-r--r-- | arch/ia64/include/asm/io.h | 5 | ||||
| -rw-r--r-- | arch/ia64/include/asm/percpu.h | 2 | ||||
| -rw-r--r-- | arch/ia64/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/ia64/include/uapi/asm/socket.h | 3 | ||||
| -rw-r--r-- | arch/ia64/include/uapi/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/ia64/kernel/entry.S | 1 | ||||
| -rw-r--r-- | arch/ia64/kernel/ftrace.c | 12 |
9 files changed, 23 insertions, 15 deletions
diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h index df896a1c41d3..209c4b817c95 100644 --- a/arch/ia64/include/asm/barrier.h +++ b/arch/ia64/include/asm/barrier.h @@ -77,7 +77,7 @@ do { \ ___p1; \ }) -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) +#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0) /* * The group barrier in front of the rsm & ssm are necessary to ensure diff --git a/arch/ia64/include/asm/early_ioremap.h b/arch/ia64/include/asm/early_ioremap.h new file mode 100644 index 000000000000..eec9e1d1b833 --- /dev/null +++ b/arch/ia64/include/asm/early_ioremap.h @@ -0,0 +1,10 @@ +#ifndef _ASM_IA64_EARLY_IOREMAP_H +#define _ASM_IA64_EARLY_IOREMAP_H + +extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size); +#define early_memremap(phys_addr, size) early_ioremap(phys_addr, size) + +extern void early_iounmap (volatile void __iomem *addr, unsigned long size); +#define early_memunmap(addr, size) early_iounmap(addr, size) + +#endif diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h index 9041bbe2b7b4..a865d2a04f75 100644 --- a/arch/ia64/include/asm/io.h +++ b/arch/ia64/include/asm/io.h @@ -20,6 +20,7 @@ */ #include <asm/unaligned.h> +#include <asm/early_ioremap.h> /* We don't use IO slowdowns on the ia64, but.. */ #define __SLOW_DOWN_IO do { } while (0) @@ -427,10 +428,6 @@ __writeq (unsigned long val, volatile void __iomem *addr) extern void __iomem * ioremap(unsigned long offset, unsigned long size); extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); extern void iounmap (volatile void __iomem *addr); -extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size); -#define early_memremap(phys_addr, size) early_ioremap(phys_addr, size) -extern void early_iounmap (volatile void __iomem *addr, unsigned long size); -#define early_memunmap(addr, size) early_iounmap(addr, size) static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned long size) { return ioremap(phys_addr, size); diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h index 0ec484d2dcbc..b9295793a5e2 100644 --- a/arch/ia64/include/asm/percpu.h +++ b/arch/ia64/include/asm/percpu.h @@ -6,8 +6,6 @@ * David Mosberger-Tang <davidm@hpl.hp.com> */ -#define PERCPU_ENOUGH_ROOM PERCPU_PAGE_SIZE - #ifdef __ASSEMBLY__ # define THIS_CPU(var) (var) /* use this to mark accesses to per-CPU variables... */ #else /* !__ASSEMBLY__ */ diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h index db73390568c8..74c132d901bd 100644 --- a/arch/ia64/include/asm/unistd.h +++ b/arch/ia64/include/asm/unistd.h @@ -11,7 +11,7 @@ -#define NR_syscalls 322 /* length of syscall table */ +#define NR_syscalls 323 /* length of syscall table */ /* * The following defines stop scripts/checksyscalls.sh from complaining about diff --git a/arch/ia64/include/uapi/asm/socket.h b/arch/ia64/include/uapi/asm/socket.h index 59be3d87f86d..bce29166de1b 100644 --- a/arch/ia64/include/uapi/asm/socket.h +++ b/arch/ia64/include/uapi/asm/socket.h @@ -94,4 +94,7 @@ #define SO_ATTACH_BPF 50 #define SO_DETACH_BPF SO_DETACH_FILTER +#define SO_ATTACH_REUSEPORT_CBPF 51 +#define SO_ATTACH_REUSEPORT_EBPF 52 + #endif /* _ASM_IA64_SOCKET_H */ diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h index 9038726e7d26..762edce7572e 100644 --- a/arch/ia64/include/uapi/asm/unistd.h +++ b/arch/ia64/include/uapi/asm/unistd.h @@ -335,5 +335,6 @@ #define __NR_userfaultfd 1343 #define __NR_membarrier 1344 #define __NR_kcmp 1345 +#define __NR_mlock2 1346 #endif /* _UAPI_ASM_IA64_UNISTD_H */ diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index dcd97f84d065..534a74acb849 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1771,5 +1771,6 @@ sys_call_table: data8 sys_userfaultfd data8 sys_membarrier data8 sys_kcmp // 1345 + data8 sys_mlock2 .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls diff --git a/arch/ia64/kernel/ftrace.c b/arch/ia64/kernel/ftrace.c index 3b0c2aa07857..cee411e647ca 100644 --- a/arch/ia64/kernel/ftrace.c +++ b/arch/ia64/kernel/ftrace.c @@ -97,13 +97,11 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code, unsigned char replaced[MCOUNT_INSN_SIZE]; /* - * Note: Due to modules and __init, code can - * disappear and change, we need to protect against faulting - * as well as code changing. We do this by using the - * probe_kernel_* functions. - * - * No real locking needed, this code is run through - * kstop_machine, or before SMP starts. + * Note: + * We are paranoid about modifying text, as if a bug was to happen, it + * could cause us to read or write to someplace that could cause harm. + * Carefully read and modify the code with probe_kernel_*(), and make + * sure what we read is what we expected it to be before modifying it. */ if (!do_check) |