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-rw-r--r--include/asm-ia64/asmmacro.h4
-rw-r--r--include/asm-ia64/pal.h34
-rw-r--r--include/asm-ia64/unistd.h3
3 files changed, 37 insertions, 4 deletions
diff --git a/include/asm-ia64/asmmacro.h b/include/asm-ia64/asmmacro.h
index d4cec32083d..edf2cebb296 100644
--- a/include/asm-ia64/asmmacro.h
+++ b/include/asm-ia64/asmmacro.h
@@ -38,6 +38,10 @@ name:
/*
* Helper macros for accessing user memory.
+ *
+ * When adding any new .section/.previous entries here, make sure to
+ * also add it to the DISCARD section in arch/ia64/kernel/gate.lds.S or
+ * unpleasant things will happen.
*/
.section "__ex_table", "a" // declare section & section attributes
diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index 4e7e6f23b08..37e52a2836b 100644
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -68,6 +68,7 @@
#define PAL_SHUTDOWN 40 /* enter processor shutdown state */
#define PAL_PREFETCH_VISIBILITY 41 /* Make Processor Prefetches Visible */
#define PAL_LOGICAL_TO_PHYSICAL 42 /* returns information on logical to physical processor mapping */
+#define PAL_CACHE_SHARED_INFO 43 /* returns information on caches shared by logical processor */
#define PAL_COPY_PAL 256 /* relocate PAL procedures and PAL PMI */
#define PAL_HALT_INFO 257 /* return the low power capabilities of processor */
@@ -130,7 +131,7 @@ typedef u64 pal_cache_line_state_t;
#define PAL_CACHE_LINE_STATE_MODIFIED 3 /* Modified */
typedef struct pal_freq_ratio {
- u64 den : 32, num : 32; /* numerator & denominator */
+ u32 den, num; /* numerator & denominator */
} itc_ratio, proc_ratio;
typedef union pal_cache_config_info_1_s {
@@ -151,10 +152,10 @@ typedef union pal_cache_config_info_1_s {
typedef union pal_cache_config_info_2_s {
struct {
- u64 cache_size : 32, /*cache size in bytes*/
+ u32 cache_size; /*cache size in bytes*/
- alias_boundary : 8, /* 39-32 aliased addr
+ u32 alias_boundary : 8, /* 39-32 aliased addr
* separation for max
* performance.
*/
@@ -1647,6 +1648,33 @@ ia64_pal_logical_to_phys(u64 proc_number, pal_logical_to_physical_t *mapping)
return iprv.status;
}
+
+typedef struct pal_cache_shared_info_s
+{
+ u64 num_shared;
+ pal_proc_n_log_info1_t ppli1;
+ pal_proc_n_log_info2_t ppli2;
+} pal_cache_shared_info_t;
+
+/* Get information on logical to physical processor mappings. */
+static inline s64
+ia64_pal_cache_shared_info(u64 level,
+ u64 type,
+ u64 proc_number,
+ pal_cache_shared_info_t *info)
+{
+ struct ia64_pal_retval iprv;
+
+ PAL_CALL(iprv, PAL_CACHE_SHARED_INFO, level, type, proc_number);
+
+ if (iprv.status == PAL_STATUS_SUCCESS) {
+ info->num_shared = iprv.v0;
+ info->ppli1.ppli1_data = iprv.v1;
+ info->ppli2.ppli2_data = iprv.v2;
+ }
+
+ return iprv.status;
+}
#endif /* __ASSEMBLY__ */
#endif /* _ASM_IA64_PAL_H */
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 019956c613e..36070c1014d 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -285,12 +285,13 @@
#define __NR_faccessat 1293
/* 1294, 1295 reserved for pselect/ppoll */
#define __NR_unshare 1296
+#define __NR_splice 1297
#ifdef __KERNEL__
#include <linux/config.h>
-#define NR_syscalls 273 /* length of syscall table */
+#define NR_syscalls 274 /* length of syscall table */
#define __ARCH_WANT_SYS_RT_SIGACTION