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-rw-r--r--arch/loongarch/include/asm/kasan.h7
-rw-r--r--arch/loongarch/include/asm/kvm_pch_pic.h15
-rw-r--r--arch/loongarch/include/asm/thread_info.h76
-rw-r--r--arch/loongarch/include/uapi/asm/kvm.h1
4 files changed, 49 insertions, 50 deletions
diff --git a/arch/loongarch/include/asm/kasan.h b/arch/loongarch/include/asm/kasan.h
index 62f139a9c87d..0e50e5b5e056 100644
--- a/arch/loongarch/include/asm/kasan.h
+++ b/arch/loongarch/include/asm/kasan.h
@@ -66,7 +66,6 @@
#define XKPRANGE_WC_SHADOW_OFFSET (KASAN_SHADOW_START + XKPRANGE_WC_KASAN_OFFSET)
#define XKVRANGE_VC_SHADOW_OFFSET (KASAN_SHADOW_START + XKVRANGE_VC_KASAN_OFFSET)
-extern bool kasan_early_stage;
extern unsigned char kasan_early_shadow_page[PAGE_SIZE];
#define kasan_mem_to_shadow kasan_mem_to_shadow
@@ -75,12 +74,6 @@ void *kasan_mem_to_shadow(const void *addr);
#define kasan_shadow_to_mem kasan_shadow_to_mem
const void *kasan_shadow_to_mem(const void *shadow_addr);
-#define kasan_arch_is_ready kasan_arch_is_ready
-static __always_inline bool kasan_arch_is_ready(void)
-{
- return !kasan_early_stage;
-}
-
#define addr_has_metadata addr_has_metadata
static __always_inline bool addr_has_metadata(const void *addr)
{
diff --git a/arch/loongarch/include/asm/kvm_pch_pic.h b/arch/loongarch/include/asm/kvm_pch_pic.h
index e6df6a4c1c70..7f33a3039272 100644
--- a/arch/loongarch/include/asm/kvm_pch_pic.h
+++ b/arch/loongarch/include/asm/kvm_pch_pic.h
@@ -34,13 +34,26 @@
#define PCH_PIC_INT_ISR_END 0x3af
#define PCH_PIC_POLARITY_START 0x3e0
#define PCH_PIC_POLARITY_END 0x3e7
-#define PCH_PIC_INT_ID_VAL 0x7000000UL
+#define PCH_PIC_INT_ID_VAL 0x7UL
#define PCH_PIC_INT_ID_VER 0x1UL
+union pch_pic_id {
+ struct {
+ uint8_t reserved_0[3];
+ uint8_t id;
+ uint8_t version;
+ uint8_t reserved_1;
+ uint8_t irq_num;
+ uint8_t reserved_2;
+ } desc;
+ uint64_t data;
+};
+
struct loongarch_pch_pic {
spinlock_t lock;
struct kvm *kvm;
struct kvm_io_device device;
+ union pch_pic_id id;
uint64_t mask; /* 1:disable irq, 0:enable irq */
uint64_t htmsi_en; /* 1:msi */
uint64_t edge; /* 1:edge triggered, 0:level triggered */
diff --git a/arch/loongarch/include/asm/thread_info.h b/arch/loongarch/include/asm/thread_info.h
index 9dfa2ef00816..4d7117fcdc78 100644
--- a/arch/loongarch/include/asm/thread_info.h
+++ b/arch/loongarch/include/asm/thread_info.h
@@ -65,50 +65,42 @@ register unsigned long current_stack_pointer __asm__("$sp");
* access
* - pending work-to-be-done flags are in LSW
* - other flags in MSW
+ *
+ * Tell the generic TIF infrastructure which special bits loongarch supports
*/
-#define TIF_NEED_RESCHED 0 /* rescheduling necessary */
-#define TIF_NEED_RESCHED_LAZY 1 /* lazy rescheduling necessary */
-#define TIF_SIGPENDING 2 /* signal pending */
-#define TIF_NOTIFY_RESUME 3 /* callback before returning to user */
-#define TIF_NOTIFY_SIGNAL 4 /* signal notifications exist */
-#define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */
-#define TIF_NOHZ 6 /* in adaptive nohz mode */
-#define TIF_UPROBE 7 /* breakpointed or singlestepping */
-#define TIF_USEDFPU 8 /* FPU was used by this task this quantum (SMP) */
-#define TIF_USEDSIMD 9 /* SIMD has been used this quantum */
-#define TIF_MEMDIE 10 /* is terminating due to OOM killer */
-#define TIF_FIXADE 11 /* Fix address errors in software */
-#define TIF_LOGADE 12 /* Log address errors to syslog */
-#define TIF_32BIT_REGS 13 /* 32-bit general purpose registers */
-#define TIF_32BIT_ADDR 14 /* 32-bit address space */
-#define TIF_LOAD_WATCH 15 /* If set, load watch registers */
-#define TIF_SINGLESTEP 16 /* Single Step */
-#define TIF_LSX_CTX_LIVE 17 /* LSX context must be preserved */
-#define TIF_LASX_CTX_LIVE 18 /* LASX context must be preserved */
-#define TIF_USEDLBT 19 /* LBT was used by this task this quantum (SMP) */
-#define TIF_LBT_CTX_LIVE 20 /* LBT context must be preserved */
-#define TIF_PATCH_PENDING 21 /* pending live patching update */
+#define HAVE_TIF_NEED_RESCHED_LAZY
+#define HAVE_TIF_RESTORE_SIGMASK
+
+#include <asm-generic/thread_info_tif.h>
+
+/* Architecture specific bits */
+#define TIF_NOHZ 16 /* in adaptive nohz mode */
+#define TIF_USEDFPU 17 /* FPU was used by this task this quantum (SMP) */
+#define TIF_USEDSIMD 18 /* SIMD has been used this quantum */
+#define TIF_FIXADE 19 /* Fix address errors in software */
+#define TIF_LOGADE 20 /* Log address errors to syslog */
+#define TIF_32BIT_REGS 21 /* 32-bit general purpose registers */
+#define TIF_32BIT_ADDR 22 /* 32-bit address space */
+#define TIF_LOAD_WATCH 23 /* If set, load watch registers */
+#define TIF_SINGLESTEP 24 /* Single Step */
+#define TIF_LSX_CTX_LIVE 25 /* LSX context must be preserved */
+#define TIF_LASX_CTX_LIVE 26 /* LASX context must be preserved */
+#define TIF_USEDLBT 27 /* LBT was used by this task this quantum (SMP) */
+#define TIF_LBT_CTX_LIVE 28 /* LBT context must be preserved */
-#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
-#define _TIF_NEED_RESCHED_LAZY (1<<TIF_NEED_RESCHED_LAZY)
-#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
-#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
-#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL)
-#define _TIF_NOHZ (1<<TIF_NOHZ)
-#define _TIF_UPROBE (1<<TIF_UPROBE)
-#define _TIF_USEDFPU (1<<TIF_USEDFPU)
-#define _TIF_USEDSIMD (1<<TIF_USEDSIMD)
-#define _TIF_FIXADE (1<<TIF_FIXADE)
-#define _TIF_LOGADE (1<<TIF_LOGADE)
-#define _TIF_32BIT_REGS (1<<TIF_32BIT_REGS)
-#define _TIF_32BIT_ADDR (1<<TIF_32BIT_ADDR)
-#define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH)
-#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
-#define _TIF_LSX_CTX_LIVE (1<<TIF_LSX_CTX_LIVE)
-#define _TIF_LASX_CTX_LIVE (1<<TIF_LASX_CTX_LIVE)
-#define _TIF_USEDLBT (1<<TIF_USEDLBT)
-#define _TIF_LBT_CTX_LIVE (1<<TIF_LBT_CTX_LIVE)
-#define _TIF_PATCH_PENDING (1<<TIF_PATCH_PENDING)
+#define _TIF_NOHZ BIT(TIF_NOHZ)
+#define _TIF_USEDFPU BIT(TIF_USEDFPU)
+#define _TIF_USEDSIMD BIT(TIF_USEDSIMD)
+#define _TIF_FIXADE BIT(TIF_FIXADE)
+#define _TIF_LOGADE BIT(TIF_LOGADE)
+#define _TIF_32BIT_REGS BIT(TIF_32BIT_REGS)
+#define _TIF_32BIT_ADDR BIT(TIF_32BIT_ADDR)
+#define _TIF_LOAD_WATCH BIT(TIF_LOAD_WATCH)
+#define _TIF_SINGLESTEP BIT(TIF_SINGLESTEP)
+#define _TIF_LSX_CTX_LIVE BIT(TIF_LSX_CTX_LIVE)
+#define _TIF_LASX_CTX_LIVE BIT(TIF_LASX_CTX_LIVE)
+#define _TIF_USEDLBT BIT(TIF_USEDLBT)
+#define _TIF_LBT_CTX_LIVE BIT(TIF_LBT_CTX_LIVE)
#endif /* __KERNEL__ */
#endif /* _ASM_THREAD_INFO_H */
diff --git a/arch/loongarch/include/uapi/asm/kvm.h b/arch/loongarch/include/uapi/asm/kvm.h
index 5f354f5c6847..57ba1a563bb1 100644
--- a/arch/loongarch/include/uapi/asm/kvm.h
+++ b/arch/loongarch/include/uapi/asm/kvm.h
@@ -103,6 +103,7 @@ struct kvm_fpu {
#define KVM_LOONGARCH_VM_FEAT_PMU 5
#define KVM_LOONGARCH_VM_FEAT_PV_IPI 6
#define KVM_LOONGARCH_VM_FEAT_PV_STEALTIME 7
+#define KVM_LOONGARCH_VM_FEAT_PTW 8
/* Device Control API on vcpu fd */
#define KVM_LOONGARCH_VCPU_CPUCFG 0