From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7CB3CC5AC67 for ; Tue, 11 Aug 2026 14:01:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5ERaMPsjwHcuWRT7KK06+ij6/U9aQH1xxiJrGBBvL1s=; b=UVWnj+yyLRXwbsxbgsmEChJNrO kf5N1dNUqk+DTgHhfPZcBcgFyG/LP/4EjslKOhO+8oXve6tsp7IaEulQVn1HufJZ25w2RbjTjbYpy WP2itYBNPNzZHj8NkDBBT4N4OqiT3JLcJdXiCDYzvjY0cSTgOtes3EBpyiOZgqpYqmXYnRViPvIRM Usg6SLxEZ7Z/SmKdTxc4XjCX/AiLUExXJGdK9GyhPpSoayYi4db8cUZI/3zJS1HosK/Z8c70/1l6e qsli7mPPbBEOvSeAd0uX/7xiRb+g9Z68laqgoGvCYMFfBWLAPTizRee938tqkSNBaeZb34lKJtzhI Ln83pIiw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtn33-0000000E9LK-197J; Tue, 11 Aug 2026 14:01:45 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtn31-0000000E9KR-1sMX for linux-arm-kernel@lists.infradead.org; Tue, 11 Aug 2026 14:01:43 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id EB93541FB0; Tue, 11 Aug 2026 14:01:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 73DBC1F00A3A; Tue, 11 Aug 2026 14:01:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786456902; bh=5ERaMPsjwHcuWRT7KK06+ij6/U9aQH1xxiJrGBBvL1s=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=dnVQBEwSU7ZSnl+Gz3XvYWXW5SbVRLAUDeykXKtv44rNTMDSTQcBpndecLT63MIJV ETtcIGZzDcfAstoCc1M26RCjsuPFYzBC0xqU4pV0BL4u4P87i+YkIrLyDVHzimqAOi 5R9ETWWMCR56SPA33S2K0AfuNZHzRQLj2ExAaWAAnXVdiEMwjVDFiMROdgGX2jf3bP +hqZKIh4AJBrt6ugDJ6KqP6G67uhwtdzTM2hkvlG/1Nhxmc/fUbmgrLDQgptC6X2II iFclhEQASMDmf7ip4Kj31TGG1q1Sa5NdLGJah3FplAU3m8Pc7QfgchSzg7mvbxusod M1fI+VcliCFbw== From: Will Deacon To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Will Deacon , Arnd Bergmann , Ard Biesheuvel , Eric Biggers , Daniel Borkmann , Catalin Marinas , Alexei Starovoitov , Oliver Upton , Herbert Xu , Marc Zyngier Subject: [PATCH 01/12] selftests/arm64: Remove big-endian support Date: Tue, 11 Aug 2026 15:01:20 +0100 Message-ID: <20260811140132.22778-2-will@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260811140132.22778-1-will@kernel.org> References: <20260811140132.22778-1-will@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Big-endian support on arm64 depends on BROKEN, so the arm64 selftests do not need to worry about testing this configuration any more. Remove the 128-bit byte-swapping helper from the fp-ptrace test and the big-endian definition of RSEQ_SIG_DATA from the rseq test. Signed-off-by: Will Deacon --- tools/testing/selftests/arm64/fp/fp-ptrace.c | 19 +------------------ tools/testing/selftests/rseq/rseq-arm64.h | 5 ----- 2 files changed, 1 insertion(+), 23 deletions(-) diff --git a/tools/testing/selftests/arm64/fp/fp-ptrace.c b/tools/testing/selftests/arm64/fp/fp-ptrace.c index 22c584b78be5..77d630444996 100644 --- a/tools/testing/selftests/arm64/fp/fp-ptrace.c +++ b/tools/testing/selftests/arm64/fp/fp-ptrace.c @@ -112,23 +112,6 @@ static void handle_alarm(int sig, siginfo_t *info, void *context) got_alarm = true; } -#ifdef CONFIG_CPU_BIG_ENDIAN -static __uint128_t arm64_cpu_to_le128(__uint128_t x) -{ - u64 a = swab64(x); - u64 b = swab64(x >> 64); - - return ((__uint128_t)a << 64) | b; -} -#else -static __uint128_t arm64_cpu_to_le128(__uint128_t x) -{ - return x; -} -#endif - -#define arm64_le128_to_cpu(x) arm64_cpu_to_le128(x) - static bool sve_supported(void) { return getauxval(AT_HWCAP) & HWCAP_SVE; @@ -897,7 +880,7 @@ static void fpsimd_to_sve(__uint128_t *v, char *z, int vl) for (i = 0; i < __SVE_NUM_ZREGS; i++) { p = (__uint128_t *)&z[__SVE_ZREG_OFFSET(vq, i)]; - *p = arm64_cpu_to_le128(v[i]); + *p = v[i]; } } diff --git a/tools/testing/selftests/rseq/rseq-arm64.h b/tools/testing/selftests/rseq/rseq-arm64.h index 21e1626a7235..f9fecf941bf2 100644 --- a/tools/testing/selftests/rseq/rseq-arm64.h +++ b/tools/testing/selftests/rseq/rseq-arm64.h @@ -12,12 +12,7 @@ * matches code endianness. */ #define RSEQ_SIG_CODE 0xd428bc00 /* BRK #0x45E0. */ - -#ifdef __AARCH64EB__ -#define RSEQ_SIG_DATA 0x00bc28d4 /* BRK #0x45E0. */ -#else #define RSEQ_SIG_DATA RSEQ_SIG_CODE -#endif #define RSEQ_SIG RSEQ_SIG_DATA -- 2.55.0.679.g6767b8d81c-goog