From nobody Tue Apr 7 09:46:58 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A0ECC4332F for ; Tue, 15 Nov 2022 21:39:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238847AbiKOVjP (ORCPT ); Tue, 15 Nov 2022 16:39:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238816AbiKOVjA (ORCPT ); Tue, 15 Nov 2022 16:39:00 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFB472871B for ; Tue, 15 Nov 2022 13:38:56 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id k7-20020a256f07000000b006cbcc030bc8so14331632ybc.18 for ; Tue, 15 Nov 2022 13:38:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=aQ7ZnbgmkJrVlWH5xbfOVSLuvcBscmBcOHFm+u9P9Is=; b=ab3uRPKYkSxn/QjpN1So1yF1Z1NN2PYbkpgY8mGVjPzZ9MqLZaGWAVnsdWE2RsXjEc 8El0iBvxFpuy6viBm2Pm7wUcr+FJHIA2Wsw8Yvg1dmPT7dAY1ezhWWTpdWHpyRYCM8kY A5Ejqaam5XT87aJsHHP5vsZEPik7JgXJkqgeu/AMlfWWqw8e3BgDtTdB9AKMjB16m50c UIikOys1nEgQQMR5T6jK0mylJFSMO2EeW1WmF7exlaik5bq7UQqSYurk5yF14puo5rMg XzgXo100/d1jQrL63t9IhZctr/AGW5/NI/PsirTxQT1Fcnk9tDrNSXRn94cFyTUp4+qF qZqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=aQ7ZnbgmkJrVlWH5xbfOVSLuvcBscmBcOHFm+u9P9Is=; b=z63CM8CMFaF16vJm/2Q8yb9TsE89doOAa/P9DLIGjE0w8YUH9Ee5awRDeHFCDxTyXo NPLRWM1rxq1XXZSdxThHNkZG/P/1okMOhpew011eWvROSsnsnD6xSvyN0HPRaTKE/YeG TcPYPgVwpYJpdyGYtlZDcXYkaCQ6ouwdKtXqa9shM1weBPddYibII9Me1xjE8T688xSP vwwy+3ayD9jvckKYBP4ZzINo5PscB2xJWi+0ZCS/qa+/S9BHnE2zf+WRQItppGStiCOk MmABX8gH38+zVjnQ3beWzenN0vw5l3K7Wh7ThI9EdDopZwOKz6SfBZnPyCRWTkZrDF4s 0c0Q== X-Gm-Message-State: ANoB5pkIdJ2Pvy3wLcPJqdsGiFhyxzdysWffGtuzSjIazRZt1ogShqgD TCVMruCImLHTW6umCrExWVKLTLqZp/UQKyrj X-Google-Smtp-Source: AA0mqf44WZQSn2ofSKhxuYlXbV0gsnelihomPaefr5UbU5tGVPfiQ4QL7tIx01rfuoC7phPo9KvKtDEV0YERWjyx X-Received: from vannapurve2.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:41f8]) (user=vannapurve job=sendgmr) by 2002:a81:1c41:0:b0:36a:31c2:7acb with SMTP id c62-20020a811c41000000b0036a31c27acbmr20565473ywc.426.1668548335967; Tue, 15 Nov 2022 13:38:55 -0800 (PST) Date: Tue, 15 Nov 2022 21:38:45 +0000 In-Reply-To: <20221115213845.3348210-1-vannapurve@google.com> Mime-Version: 1.0 References: <20221115213845.3348210-1-vannapurve@google.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog Message-ID: <20221115213845.3348210-4-vannapurve@google.com> Subject: [V4 PATCH 3/3] KVM: selftests: Add arch specific post vm creation hook From: Vishal Annapurve To: x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: pbonzini@redhat.com, shuah@kernel.org, bgardon@google.com, seanjc@google.com, oupton@google.com, peterx@redhat.com, vkuznets@redhat.com, dmatlack@google.com, pgonda@google.com, andrew.jones@linux.dev, Vishal Annapurve Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add arch specific API kvm_arch_vm_post_create to perform any required setup after VM creation. Suggested-by: Sean Christopherson Reviewed-by: Andrew Jones Reviewed-by: Peter Gonda Signed-off-by: Vishal Annapurve --- tools/testing/selftests/kvm/include/kvm_util_base.h | 4 ++++ tools/testing/selftests/kvm/lib/kvm_util.c | 9 ++++++--- tools/testing/selftests/kvm/lib/x86_64/processor.c | 6 ++++++ 3 files changed, 16 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/te= sting/selftests/kvm/include/kvm_util_base.h index eec0e4898efe..1e7d3eae8c91 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -843,4 +843,8 @@ static inline int __vm_disable_nx_huge_pages(struct kvm= _vm *vm) */ void kvm_selftest_arch_init(void); =20 +/* + * API to execute architecture specific setup after creating the VM. + */ +void kvm_arch_vm_post_create(struct kvm_vm *vm); #endif /* SELFTEST_KVM_UTIL_BASE_H */ diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/sel= ftests/kvm/lib/kvm_util.c index deb4c731b9fa..3ed72980c996 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -340,9 +340,8 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uin= t32_t nr_runnable_vcpus, =20 kvm_vm_elf_load(vm, program_invocation_name); =20 -#ifdef __x86_64__ - vm_create_irqchip(vm); -#endif + kvm_arch_vm_post_create(vm); + return vm; } =20 @@ -2022,6 +2021,10 @@ void __vm_get_stat(struct kvm_vm *vm, const char *st= at_name, uint64_t *data, } } =20 +__weak void kvm_arch_vm_post_create(struct kvm_vm *vm) +{ +} + __weak void kvm_selftest_arch_init(void) { } diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/tes= ting/selftests/kvm/lib/x86_64/processor.c index 39c4409ef56a..fa65e8142c16 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -1327,3 +1327,9 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm) =20 return get_kvm_intel_param_bool("unrestricted_guest"); } + + +void kvm_arch_vm_post_create(struct kvm_vm *vm) +{ + vm_create_irqchip(vm); +} --=20 2.38.1.431.g37b22c650d-goog