add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/tools/testing/selftests/x86/vdso_restorer.c
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@@ -1,15 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * vdso_restorer.c - tests vDSO-based signal restore
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  * Copyright (c) 2015 Andrew Lutomirski
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
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  *
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  * This makes sure that sa_restorer == NULL keeps working on 32-bit
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  * configurations.  Modern glibc doesn't use it under any circumstances,
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@@ -23,6 +15,7 @@
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 #include <err.h>
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 #include <stdio.h>
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+#include <dlfcn.h>
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 #include <string.h>
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 #include <signal.h>
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 #include <unistd.h>
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@@ -54,10 +47,22 @@
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 	int nerrs = 0;
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 	struct real_sigaction sa;
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+	void *vdso = dlopen("linux-vdso.so.1",
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+			    RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
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+	if (!vdso)
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+		vdso = dlopen("linux-gate.so.1",
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+			      RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
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+	if (!vdso) {
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+		printf("[SKIP]\tFailed to find vDSO.  Tests are not expected to work.\n");
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+		return 0;
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+	}
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+
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 	memset(&sa, 0, sizeof(sa));
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 	sa.handler = handler_with_siginfo;
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 	sa.flags = SA_SIGINFO;
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 	sa.restorer = NULL;	/* request kernel-provided restorer */
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+
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+	printf("[RUN]\tRaise a signal, SA_SIGINFO, sa.restorer == NULL\n");
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 	if (syscall(SYS_rt_sigaction, SIGUSR1, &sa, NULL, 8) != 0)
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 		err(1, "raw rt_sigaction syscall");
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@@ -71,6 +76,8 @@
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 		nerrs++;
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 	}
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+	printf("[RUN]\tRaise a signal, !SA_SIGINFO, sa.restorer == NULL\n");
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+
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 	sa.flags = 0;
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 	sa.handler = handler_without_siginfo;
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 	if (syscall(SYS_sigaction, SIGUSR1, &sa, 0) != 0)