3 files changed, 20 insertions, 86 deletions

diff --git a/arch/mips/include/uapi/asm/Kbuild b/arch/mips/include/uapi/asm/Kbuild
index a0266feba9e6..7a4becd8963a 100644
--- a/arch/mips/include/uapi/asm/Kbuild
+++ b/arch/mips/include/uapi/asm/Kbuild
@@ -1,4 +1,5 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+generic-y += bpf_perf_event.h
 generic-y += ipcbuf.h
diff --git a/arch/mips/include/uapi/asm/poll.h b/arch/mips/include/uapi/asm/poll.h
index ad289d7b7434..3173f8917128 100644
--- a/arch/mips/include/uapi/asm/poll.h
+++ b/arch/mips/include/uapi/asm/poll.h
@@ -2,8 +2,25 @@
 #ifndef __ASM_POLL_H
 #define __ASM_POLL_H
 
+#ifndef __KERNEL__
 #define POLLWRNORM	POLLOUT
-#define POLLWRBAND	0x0100
+#define POLLWRBAND	(__force __poll_t)0x0100
+#else
+#define __ARCH_HAS_MANGLED_POLL
+static inline __u16 mangle_poll(__poll_t val)
+{
+	__u16 v = (__force __u16)val;
+	/* bit 9 -> bit 8, bit 8 -> bit 2 */
+	return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6);
+}
+
+static inline __poll_t demangle_poll(__u16 v)
+{
+        /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */
+	return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) |
+				((v & 4) << 6));
+}
+#endif
 
 #include <asm-generic/poll.h>
 
diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
index f17d8163dec6..262504bd59a5 100644
--- a/arch/mips/include/uapi/asm/siginfo.h
+++ b/arch/mips/include/uapi/asm/siginfo.h
@@ -14,8 +14,6 @@
 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
 #undef __ARCH_SI_TRAPNO /* exception code needs to fill this ...  */
 
-#define HAVE_ARCH_SIGINFO_T
-
 /*
  * Careful to keep union _sifields from shifting ...
  */
@@ -27,92 +25,10 @@
 #error _MIPS_SZLONG neither 32 nor 64
 #endif
 
-#define __ARCH_SIGSYS
+#define __ARCH_HAS_SWAPPED_SIGINFO
 
 #include <asm-generic/siginfo.h>
 
-/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
-typedef struct siginfo {
-	int si_signo;
-	int si_code;
-	int si_errno;
-	int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
-
-	union {
-		int _pad[SI_PAD_SIZE];
-
-		/* kill() */
-		struct {
-			__kernel_pid_t _pid;	/* sender's pid */
-			__ARCH_SI_UID_T _uid;	/* sender's uid */
-		} _kill;
-
-		/* POSIX.1b timers */
-		struct {
-			__kernel_timer_t _tid;	/* timer id */
-			int _overrun;		/* overrun count */
-			char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
-			sigval_t _sigval;	/* same as below */
-			int _sys_private;	/* not to be passed to user */
-		} _timer;
-
-		/* POSIX.1b signals */
-		struct {
-			__kernel_pid_t _pid;	/* sender's pid */
-			__ARCH_SI_UID_T _uid;	/* sender's uid */
-			sigval_t _sigval;
-		} _rt;
-
-		/* SIGCHLD */
-		struct {
-			__kernel_pid_t _pid;	/* which child */
-			__ARCH_SI_UID_T _uid;	/* sender's uid */
-			int _status;		/* exit code */
-			__kernel_clock_t _utime;
-			__kernel_clock_t _stime;
-		} _sigchld;
-
-		/* IRIX SIGCHLD */
-		struct {
-			__kernel_pid_t _pid;	/* which child */
-			__kernel_clock_t _utime;
-			int _status;		/* exit code */
-			__kernel_clock_t _stime;
-		} _irix_sigchld;
-
-		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
-		struct {
-			void __user *_addr; /* faulting insn/memory ref. */
-#ifdef __ARCH_SI_TRAPNO
-			int _trapno;	/* TRAP # which caused the signal */
-#endif
-			short _addr_lsb;
-			union {
-				/* used when si_code=SEGV_BNDERR */
-				struct {
-					void __user *_lower;
-					void __user *_upper;
-				} _addr_bnd;
-				/* used when si_code=SEGV_PKUERR */
-				__u32 _pkey;
-			};
-		} _sigfault;
-
-		/* SIGPOLL, SIGXFSZ (To do ...)	 */
-		struct {
-			__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
-			int _fd;
-		} _sigpoll;
-
-		/* SIGSYS */
-		struct {
-			void __user *_call_addr; /* calling user insn */
-			int _syscall;	/* triggering system call number */
-			unsigned int _arch;	/* AUDIT_ARCH_* of syscall */
-		} _sigsys;
-	} _sifields;
-} siginfo_t;
-
 /*
  * si_code values
  * Again these have been chosen to be IRIX compatible.