add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/x86/kernel/perf_regs.c
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@@ -59,18 +59,37 @@
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 u64 perf_reg_value(struct pt_regs *regs, int idx)
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 {
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+	struct x86_perf_regs *perf_regs;
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+
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+	if (idx >= PERF_REG_X86_XMM0 && idx < PERF_REG_X86_XMM_MAX) {
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+		perf_regs = container_of(regs, struct x86_perf_regs, regs);
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+		if (!perf_regs->xmm_regs)
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+			return 0;
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+		return perf_regs->xmm_regs[idx - PERF_REG_X86_XMM0];
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+	}
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+
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 	if (WARN_ON_ONCE(idx >= ARRAY_SIZE(pt_regs_offset)))
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 		return 0;
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 	return regs_get_register(regs, pt_regs_offset[idx]);
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 }
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-#define REG_RESERVED (~((1ULL << PERF_REG_X86_MAX) - 1ULL))
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+#define PERF_REG_X86_RESERVED	(((1ULL << PERF_REG_X86_XMM0) - 1) & \
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+				 ~((1ULL << PERF_REG_X86_MAX) - 1))
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 #ifdef CONFIG_X86_32
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+#define REG_NOSUPPORT ((1ULL << PERF_REG_X86_R8) | \
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+		       (1ULL << PERF_REG_X86_R9) | \
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+		       (1ULL << PERF_REG_X86_R10) | \
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+		       (1ULL << PERF_REG_X86_R11) | \
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+		       (1ULL << PERF_REG_X86_R12) | \
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+		       (1ULL << PERF_REG_X86_R13) | \
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+		       (1ULL << PERF_REG_X86_R14) | \
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+		       (1ULL << PERF_REG_X86_R15))
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+
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 int perf_reg_validate(u64 mask)
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 {
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-	if (!mask || mask & REG_RESERVED)
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+	if (!mask || (mask & (REG_NOSUPPORT | PERF_REG_X86_RESERVED)))
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 		return -EINVAL;
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 	return 0;
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@@ -82,8 +101,7 @@
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 }
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 void perf_get_regs_user(struct perf_regs *regs_user,
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-			struct pt_regs *regs,
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-			struct pt_regs *regs_user_copy)
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+			struct pt_regs *regs)
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 {
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 	regs_user->regs = task_pt_regs(current);
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 	regs_user->abi = perf_reg_abi(current);
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@@ -96,10 +114,7 @@
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 int perf_reg_validate(u64 mask)
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 {
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-	if (!mask || mask & REG_RESERVED)
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-		return -EINVAL;
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-
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-	if (mask & REG_NOSUPPORT)
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+	if (!mask || (mask & (REG_NOSUPPORT | PERF_REG_X86_RESERVED)))
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 		return -EINVAL;
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 	return 0;
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@@ -113,12 +128,20 @@
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 		return PERF_SAMPLE_REGS_ABI_64;
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 }
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+static DEFINE_PER_CPU(struct pt_regs, nmi_user_regs);
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+
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 void perf_get_regs_user(struct perf_regs *regs_user,
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-			struct pt_regs *regs,
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-			struct pt_regs *regs_user_copy)
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+			struct pt_regs *regs)
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 {
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+	struct pt_regs *regs_user_copy = this_cpu_ptr(&nmi_user_regs);
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 	struct pt_regs *user_regs = task_pt_regs(current);
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+	if (!in_nmi()) {
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+		regs_user->regs = user_regs;
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+		regs_user->abi = perf_reg_abi(current);
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+		return;
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+	}
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+
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 	/*
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 	 * If we're in an NMI that interrupted task_pt_regs setup, then
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 	 * we can't sample user regs at all.  This check isn't really