| Message ID | cea04e5b971c959d823682e1e338c5c40d134f0c.1724309198.git.christophe.leroy@csgroup.eu (mailing list archive) |
|---|---|
| State | New |
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Received: from pegase2.c-s.fr (pegase2.c-s.fr [93.17.235.10]) (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 D1C0417E01A; Thu, 22 Aug 2024 07:14:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=93.17.235.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724310846; cv=none; b=LLT9MgZ7GrwjkZo9esxNXjAX85iQInbFeLh/C4n54wO66kGj6LVoZqkk7yoc4XRGG2KD9aOw6XEZOV51YiU/DfYOuVqvGtfbGyIRBg3+wCI09sHRYWBBjNeBCwLqSy9TL5oV9B62CrDg9VvsAI4OJzh101PDKTWoBXpwTrSYzps= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724310846; c=relaxed/simple; bh=6H7T4OtghNGIKLYUW15IDF5ngiuRyCUv+bUYaWIueQo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lG9D7Wx0d4QfT+xrwYeVBBD7SkYqYnAh5j4KI30FnKfU7iMP1WBtn5BpZjdH6SYq1p0esf/U6bBFtoBoMiLO5NdIp3BiCgv2xtNiIun7RLdnJt6m9IVQWCdQikvZsyl988F3XSng3alPrvTak0vBmPbfIQjkdon25byuxNi2egI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=csgroup.eu; spf=pass smtp.mailfrom=csgroup.eu; arc=none smtp.client-ip=93.17.235.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=csgroup.eu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=csgroup.eu Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4WqDvH1Lg0z9sSY; Thu, 22 Aug 2024 09:13:31 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HrgTAL98uEO3; Thu, 22 Aug 2024 09:13:31 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4WqDvH0Z6sz9sSH; Thu, 22 Aug 2024 09:13:31 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 018F68B77D; Thu, 22 Aug 2024 09:13:31 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 4Xoul67SwRYa; Thu, 22 Aug 2024 09:13:30 +0200 (CEST) Received: from PO20335.idsi0.si.c-s.fr (PO16920.IDSI0.si.c-s.fr [192.168.232.181]) by messagerie.si.c-s.fr (Postfix) with ESMTP id EC72A8B763; Thu, 22 Aug 2024 09:13:29 +0200 (CEST) From: Christophe Leroy <christophe.leroy@csgroup.eu> To: Michael Ellerman <mpe@ellerman.id.au>, Nicholas Piggin <npiggin@gmail.com>, Christophe Leroy <christophe.leroy@csgroup.eu>, Naveen N Rao <naveen@kernel.org>, Andy Lutomirski <luto@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, "Theodore Ts'o" <tytso@mit.edu>, "Jason A. Donenfeld" <Jason@zx2c4.com>, Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>, Steven Rostedt <rostedt@goodmis.org>, Masami Hiramatsu <mhiramat@kernel.org>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Shuah Khan <shuah@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH v2 08/17] powerpc: Add little endian variants of LWZX_BE and STWX_BE Date: Thu, 22 Aug 2024 09:13:16 +0200 Message-ID: <cea04e5b971c959d823682e1e338c5c40d134f0c.1724309198.git.christophe.leroy@csgroup.eu> X-Mailer: git-send-email 2.44.0 In-Reply-To: <cover.1724309198.git.christophe.leroy@csgroup.eu> References: <cover.1724309198.git.christophe.leroy@csgroup.eu> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: <linux-kselftest.vger.kernel.org> List-Subscribe: <mailto:linux-kselftest+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kselftest+unsubscribe@vger.kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1724310794; l=906; i=christophe.leroy@csgroup.eu; s=20211009; h=from:subject:message-id; bh=6H7T4OtghNGIKLYUW15IDF5ngiuRyCUv+bUYaWIueQo=; b=hNY+LGr2Rcm1FruX/Pi4TXpEpJ3NK0USBgOJB07umxT2MU3l11Qrgf0kRkvOEtaehX9BImGb3 aPlCV4CucUaA5+VROpxaJP9JVn4u1j8nncN+Akg3rm5xpKRsYhQxEMu X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= Content-Transfer-Encoding: 8bit |
| Series |
Wire up getrandom() vDSO implementation on powerpc
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diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h index 2bc53c646ccd..6e53a80917ef 100644 --- a/arch/powerpc/include/asm/asm-compat.h +++ b/arch/powerpc/include/asm/asm-compat.h @@ -61,4 +61,12 @@ #endif +#ifdef __BIG_ENDIAN__ +#define LWZX_LE stringify_in_c(lwbrx) +#define STWX_LE stringify_in_c(stwbrx) +#else +#define LWZX_LE stringify_in_c(lwzx) +#define STWX_LE stringify_in_c(stwx) +#endif + #endif /* _ASM_POWERPC_ASM_COMPAT_H */
To support getrandom in VDSO which is based on little endian storage, add macros equivalent to LWZX_BE and STWX_BE for little endian accesses. Put them outside of __powerpc64__ #ifdef so that they can also be used for PPC32. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/include/asm/asm-compat.h | 8 ++++++++ 1 file changed, 8 insertions(+)