From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADE6639BFF4 for ; Mon, 27 Apr 2026 08:39:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777279196; cv=none; b=RGMEpeQo9tyrMN/IiIFXti9N4TXckJfAD4u+CMI7Tnd31YFpXJMtM8s3PclG9L/EkRhUhanIUebn+9Bv9RA3LvH7ena21v15IzL9cHwq1VLa8ZJzYfjafj22REmpGLC0Npx4i3EhcdjoT5cOsm39uUoq42MRvvcDL2XW8Reftwc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777279196; c=relaxed/simple; bh=UFnN0s+RsvkTALfr/a8OQyrxAQCThTQXJhV/kjv+G6c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cMZ+fBVjQhG3hIgoePxRgJmzuGild5Xn7CGzjNt0+5ducpRaGySVCnkIDiWpOa6pOi/kRdpSvZMeczXl0Hi54ydqx6qLfYpIilYI9SJeWBRXYfO3faM3C9jIfFl6H8Zm2lTCZGW6OwCJuHhMfnBh2wUyxI2xVX/Ya9k5XOkbIXM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hev.cc; spf=pass smtp.mailfrom=hev.cc; dkim=pass (2048-bit key) header.d=hev-cc.20251104.gappssmtp.com header.i=@hev-cc.20251104.gappssmtp.com header.b=Ba/MBmRq; arc=none smtp.client-ip=209.85.214.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hev.cc Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=hev.cc Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=hev-cc.20251104.gappssmtp.com header.i=@hev-cc.20251104.gappssmtp.com header.b="Ba/MBmRq" Received: by mail-pl1-f173.google.com with SMTP id d9443c01a7336-2ad9f316d68so43616255ad.2 for ; Mon, 27 Apr 2026 01:39:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hev-cc.20251104.gappssmtp.com; s=20251104; t=1777279194; x=1777883994; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=oKHydH/fhv4hYoRFTuRlPVbogNTqYgaWcyoMFBpB6F8=; b=Ba/MBmRq/leiVFj0LKsCsplbyRjd/iqCmsszhOm9wtzgUT19ev1MCzF4y3en2pxBFb HbiDv9UU/Bp6Oi+O3WxsXIt4UqHquYzEhk1SfJJW88JLKiAYEQuIQ+ELetoP63dOQkzS J1fSWoN4cjllinPzMR1tUijL9d66lNeuF8on1J2p4C24ftgDkfxogBBqtu+1esmaGHbx 6BILtnC12K5oZluDxSmq4hwRqUGEKtNi+MK/1X3DdV6Uve7nB60Iu6EPyhd6HUfjtxfJ gL5bpI9xn6uqH9CT06oCENdDHAox4TloN/qY406ysS76V8cByi4SummUDa78YV+DvGPg IVBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777279194; x=1777883994; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=oKHydH/fhv4hYoRFTuRlPVbogNTqYgaWcyoMFBpB6F8=; b=pw5Gh+J5w7Etb5Y3lOL9wx4vQgLBmro1Tte7OuM9U8+P514VCzcA4UQ4MkU39s0gSe ox1X6/entPvOyPsMq5BD3H+z67ByUyIDwyaxi/Ljo891mH4M2m3lXzgEaA1jl2Lb/69J DkgiXoUPb8yrQ/sb6tDRTZUzvqvy3TJP0eoyOZSqTaHDvSEBfJ0u7Od13rpo7+eQKRrh 5n2CAhceGTD2xf7dxNi6HpO5AXPV8tSan5+lHiE4vk3/qR7lQQPDPwZBCr1AR6BKLgi0 qCJzd7Fu78l9B4Y+ZktgQqGZbn9D3HjJcLOI4MPQTaRyas5IZUo8SfeHCkrBPvpuzjWL 6TMA== X-Forwarded-Encrypted: i=1; AFNElJ+RPreHWSeEgIEK3FNLtyQcAFbxuwRQZsqq4y+K5heBL3yxiO+c4EkU24yd1FPM6/ajw7FFJYX4lAg=@vger.kernel.org X-Gm-Message-State: AOJu0YyZYG0K2hn2WRO1FJPzmWCVR5CDMu/3HLtocacGhUvhWTwGGoBV zhevu8pOUt+3XjhYiRbcxbXf58TqWzDJdc6rp+QDPgCbQ2QCDZbGn0FhqG7kJOvIKvk= X-Gm-Gg: AeBDietqde9yzhbWaetiBlxfizdAilYEhs18AwyIJswL2y1MxKsODxshX2rs3zUnpal XaFItPXI44AO+iBWtLGCtxyERdprTjsOboHPmryZeUAuLbQXeh7i1LPOczhZYbof6tGIOFdGr+J 7HAGyHy/wlVZBhhGnzSST/1yWEDG3NryqYsKljVJZImu8ydNplJ3vLxJ7gZCybEoES/OmZVNiZO nBlRf0pAeBQG2HDRsv7t3CwkygOQy1xPk/s3E+Z05ZX0gNoOosMfazyetgfnxKESAPlIbF3kKci +s0NblZL5w/Z7aF48mJRLHVbavUQqpufw3u0PJ2uBZC2naBDm7dzdVvnASvskiqYKIEjkwmg6LN 1TVhe+p9828sFITX+hhbHkFxEgiacvyOOvRpy5vkwiT1prI2HIcWVT1V6siNKb/dzNnOr8UHvr0 aDXo6hJnEKI8Y= X-Received: by 2002:a17:903:28f:b0:2b4:5309:2c14 with SMTP id d9443c01a7336-2b5f9f3ad64mr471009225ad.31.1777279194102; Mon, 27 Apr 2026 01:39:54 -0700 (PDT) Received: from xpc ([2400:8902:e002:def5:7882:53a7:6a48:4d11]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b5fab4049bsm276063105ad.77.2026.04.27.01.39.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Apr 2026 01:39:53 -0700 (PDT) From: WANG Rui To: Ard Biesheuvel , Huacai Chen Cc: Ilias Apalodimas , WANG Xuerui , linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, WANG Rui , Huacai Chen Subject: [PATCH v2 1/2] efi/loongarch: Implement efi_cache_sync_image Date: Mon, 27 Apr 2026 16:39:29 +0800 Message-ID: <20260427083930.36324-2-r@hev.cc> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260427083930.36324-1-r@hev.cc> References: <20260427083930.36324-1-r@hev.cc> Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Provide a LoongArch implementation of efi_cache_sync_image() to ensure instruction cache coherency after the kernel image is relocated. Signed-off-by: WANG Rui Reviewed-by: Huacai Chen --- drivers/firmware/efi/libstub/loongarch.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/firmware/efi/libstub/loongarch.c b/drivers/firmware/efi/libstub/loongarch.c index 9825f5218137..f7938d5c196a 100644 --- a/drivers/firmware/efi/libstub/loongarch.c +++ b/drivers/firmware/efi/libstub/loongarch.c @@ -18,6 +18,11 @@ efi_status_t check_platform_features(void) return EFI_SUCCESS; } +void efi_cache_sync_image(unsigned long image_base, unsigned long alloc_size) +{ + asm volatile ("ibar 0" ::: "memory"); +} + struct exit_boot_struct { efi_memory_desc_t *runtime_map; int runtime_entry_count; -- 2.54.0