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-rw-r--r--include/asm-generic/barrier.h8
-rw-r--r--include/asm-generic/io.h29
-rw-r--r--include/linux/cpuhotplug.h1
-rw-r--r--include/linux/gfp.h2
-rw-r--r--include/linux/huge_mm.h12
-rw-r--r--include/linux/perf/riscv_pmu.h4
6 files changed, 54 insertions, 2 deletions
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h
index fd7e8fbaeef1..961f4d88f9ef 100644
--- a/include/asm-generic/barrier.h
+++ b/include/asm-generic/barrier.h
@@ -38,6 +38,10 @@
#define wmb() do { kcsan_wmb(); __wmb(); } while (0)
#endif
+#ifdef __dma_mb
+#define dma_mb() do { kcsan_mb(); __dma_mb(); } while (0)
+#endif
+
#ifdef __dma_rmb
#define dma_rmb() do { kcsan_rmb(); __dma_rmb(); } while (0)
#endif
@@ -65,6 +69,10 @@
#define wmb() mb()
#endif
+#ifndef dma_mb
+#define dma_mb() mb()
+#endif
+
#ifndef dma_rmb
#define dma_rmb() rmb()
#endif
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 98954dda5734..72974cb81343 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -964,7 +964,34 @@ static inline void iounmap(volatile void __iomem *addr)
#elif defined(CONFIG_GENERIC_IOREMAP)
#include <linux/pgtable.h>
-void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot);
+/*
+ * Arch code can implement the following two hooks when using GENERIC_IOREMAP
+ * ioremap_allowed() return a bool,
+ * - true means continue to remap
+ * - false means skip remap and return directly
+ * iounmap_allowed() return a bool,
+ * - true means continue to vunmap
+ * - false means skip vunmap and return directly
+ */
+#ifndef ioremap_allowed
+#define ioremap_allowed ioremap_allowed
+static inline bool ioremap_allowed(phys_addr_t phys_addr, size_t size,
+ unsigned long prot)
+{
+ return true;
+}
+#endif
+
+#ifndef iounmap_allowed
+#define iounmap_allowed iounmap_allowed
+static inline bool iounmap_allowed(void *addr)
+{
+ return true;
+}
+#endif
+
+void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
+ unsigned long prot);
void iounmap(volatile void __iomem *addr);
static inline void __iomem *ioremap(phys_addr_t addr, size_t size)
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index b66c5f389159..154daff0b46b 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -229,6 +229,7 @@ enum cpuhp_state {
CPUHP_AP_PERF_ARM_HISI_PA_ONLINE,
CPUHP_AP_PERF_ARM_HISI_SLLC_ONLINE,
CPUHP_AP_PERF_ARM_HISI_PCIE_PMU_ONLINE,
+ CPUHP_AP_PERF_ARM_HNS3_PMU_ONLINE,
CPUHP_AP_PERF_ARM_L2X0_ONLINE,
CPUHP_AP_PERF_ARM_QCOM_L2_ONLINE,
CPUHP_AP_PERF_ARM_QCOM_L3_ONLINE,
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 2d2ccae933c2..0ace7759acd2 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -348,7 +348,7 @@ struct vm_area_struct;
#define GFP_DMA32 __GFP_DMA32
#define GFP_HIGHUSER (GFP_USER | __GFP_HIGHMEM)
#define GFP_HIGHUSER_MOVABLE (GFP_HIGHUSER | __GFP_MOVABLE | \
- __GFP_SKIP_KASAN_POISON)
+ __GFP_SKIP_KASAN_POISON | __GFP_SKIP_KASAN_UNPOISON)
#define GFP_TRANSHUGE_LIGHT ((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
__GFP_NOMEMALLOC | __GFP_NOWARN) & ~__GFP_RECLAIM)
#define GFP_TRANSHUGE (GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM)
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index de29821231c9..4ddaf6ad73ef 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -461,4 +461,16 @@ static inline int split_folio_to_list(struct folio *folio,
return split_huge_page_to_list(&folio->page, list);
}
+/*
+ * archs that select ARCH_WANTS_THP_SWAP but don't support THP_SWP due to
+ * limitations in the implementation like arm64 MTE can override this to
+ * false
+ */
+#ifndef arch_thp_swp_supported
+static inline bool arch_thp_swp_supported(void)
+{
+ return true;
+}
+#endif
+
#endif /* _LINUX_HUGE_MM_H */
diff --git a/include/linux/perf/riscv_pmu.h b/include/linux/perf/riscv_pmu.h
index 46f9b6fe306e..bf66fe011fa8 100644
--- a/include/linux/perf/riscv_pmu.h
+++ b/include/linux/perf/riscv_pmu.h
@@ -56,9 +56,13 @@ struct riscv_pmu {
struct cpu_hw_events __percpu *hw_events;
struct hlist_node node;
+ struct notifier_block riscv_pm_nb;
};
#define to_riscv_pmu(p) (container_of(p, struct riscv_pmu, pmu))
+
+void riscv_pmu_start(struct perf_event *event, int flags);
+void riscv_pmu_stop(struct perf_event *event, int flags);
unsigned long riscv_pmu_ctr_read_csr(unsigned long csr);
int riscv_pmu_event_set_period(struct perf_event *event);
uint64_t riscv_pmu_ctr_get_width_mask(struct perf_event *event);