From nobody Wed Nov 27 14:34:41 2024 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 816221BCA1B; Thu, 10 Oct 2024 07:02:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728543730; cv=none; b=EQCpo+GxqoD9ulJTSiNoBTdd4IWA2g3Uj++QbsVZtQDPt9WT5QSEysYgC6jdBd9xwE8CC61JEKSYh6ZQzSQL4mBZ+ZlnS1/13g90MRXvYSU/LmChbrCMncKPzK39CqUA3Wt3szxBa6agr+kLsNyR/5YIqIephijJLZVFpsY/XfI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728543730; c=relaxed/simple; bh=l5D8fVN3aaA8131sEeFVg9vgV5lu/zKv8tftufGa+9s=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ESBpNK1kNeG7oHKiNelpH0S/tS051t4Tyed7px1C8BN6FrVbtn7jQf9N9zlj0hjLBONA2z4j1ffHQvl6pf72LuDNBb7twjsxo7rY4DWlIoFY43weqMbTAv8RH8fqcZXWGAF4akTJHLhDxrN6FTp9a6Tp2RPc5be06IWwK2PpN2M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=DlOxxwET; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=/5YBI8zM; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="DlOxxwET"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="/5YBI8zM" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1728543726; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iDYhkJLEk/wNM8RHtmH5cLtwxKP5hseONhnLJBEEc0o=; b=DlOxxwETZAxA9RhV/JznUypAblffACAwmhmbzWihKTz6AoOeLhwRnA1ukaJoAnRtozKk26 DlbvYyplIjBFkbxJypcleV9ML9vwxUDVv/g+9gCL9qmBbsFnAi0SfOMKflBkLNFsATVS40 BR0/LBnPUS+8jbGZlbJZq16s2s1+l2ZsznjzDOB5pvzlWqP3mgUeBOEadfANZHOKL6B1JT C8ZBNqILWkhCxqxwPwivhO0T8fVwHmMeEsMW7j7YRAniTcVCr9Kss3aGKxedaEpObq32hP y/Xw7Y7vnw7KWQiNy1c11xFD2KpQzMkoXx5vzuV7pYNCXdw/FGHyFM7vLSDrzQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1728543726; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iDYhkJLEk/wNM8RHtmH5cLtwxKP5hseONhnLJBEEc0o=; b=/5YBI8zMSmdgRX+tzQmAYFuw+rKVOSXC6dss2zODxuOwAxU8/niqmHv7dePR8JKJCXe+bE 3l94qY6mRiWTU/BA== Date: Thu, 10 Oct 2024 09:01:13 +0200 Subject: [PATCH 11/28] x86: vdso: Use __arch_get_vdso_data() to access vdso data Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241010-vdso-generic-base-v1-11-b64f0842d512@linutronix.de> References: <20241010-vdso-generic-base-v1-0-b64f0842d512@linutronix.de> In-Reply-To: <20241010-vdso-generic-base-v1-0-b64f0842d512@linutronix.de> To: Guo Ren , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Catalin Marinas , Will Deacon , Paul Walmsley , Palmer Dabbelt , Albert Ou , Russell King , Huacai Chen , WANG Xuerui , Theodore Ts'o , "Jason A. Donenfeld" , Thomas Bogendoerfer , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Vincenzo Frascino Cc: Christophe Leroy , linux-csky@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1728543717; l=1197; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=l5D8fVN3aaA8131sEeFVg9vgV5lu/zKv8tftufGa+9s=; b=yMtNmStMkDOKrNizRAIE2blEjN7roFN5utdJ25lrGaymlV+mNbkoLLCg0uck8P2iyvgDKwB45 x92w3Z4p27QBEyzr4NDw5s4XKataw8016PEsD81PtJ1XALVRg28suWI X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= The implementation details of the vdso_data access will change. Prepare for that by using the existing helper function. Signed-off-by: Thomas Wei=C3=9Fschuh --- arch/x86/include/asm/vdso/getrandom.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/vdso/getrandom.h b/arch/x86/include/asm/v= dso/getrandom.h index ff5334ad32a0f56b2d4265fd38d9c287de3dfaa1..ecdcdbcd3392533e5619d7f0940= 3d60a9810ceab 100644 --- a/arch/x86/include/asm/vdso/getrandom.h +++ b/arch/x86/include/asm/vdso/getrandom.h @@ -32,8 +32,8 @@ static __always_inline ssize_t getrandom_syscall(void *bu= ffer, size_t len, unsig =20 static __always_inline const struct vdso_rng_data *__arch_get_vdso_rng_dat= a(void) { - if (IS_ENABLED(CONFIG_TIME_NS) && __vdso_data->clock_mode =3D=3D VDSO_CLO= CKMODE_TIMENS) - return (void *)&__vdso_rng_data + ((void *)&__timens_vdso_data - (void *= )&__vdso_data); + if (IS_ENABLED(CONFIG_TIME_NS) && __arch_get_vdso_data()->clock_mode =3D= =3D VDSO_CLOCKMODE_TIMENS) + return (void *)&__vdso_rng_data + ((void *)&__timens_vdso_data - (void *= )__arch_get_vdso_data()); return &__vdso_rng_data; } =20 --=20 2.47.0