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[2001:16b8:2650:4800:504e:9aff:21bf:95aa]) by smtp.gmail.com with ESMTPSA id ew12-20020a056402538c00b0043bbbaa323dsm7009781edb.0.2022.08.09.22.07.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Aug 2022 22:07:45 -0700 (PDT) From: Lukas Bulwahn To: Juergen Gross , Boris Ostrovsky , Stefano Stabellini , Oleksandr Tyshchenko , xen-devel@lists.xenproject.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Lukas Bulwahn Subject: [PATCH 3/4] xen: move XEN_BALLOON_MEMORY_HOTPLUG to generic config Date: Wed, 10 Aug 2022 07:07:11 +0200 Message-Id: <20220810050712.9539-4-lukas.bulwahn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220810050712.9539-1-lukas.bulwahn@gmail.com> References: <20220810050712.9539-1-lukas.bulwahn@gmail.com> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While reviewing arch/x86/configs/xen.config, I noticed the following note in this file: '# depends on MEMORY_HOTPLUG, arm64 doesn't enable this yet, '# move to generic config if it ever does. CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y Commit 6c6685055a28 ("kconfig: add xenconfig defconfig helper") in June 2015 adds this note. Fortunately, commit 4ab215061554 ("arm64: Add memory hotplug support") from December 2018 adds the memory hotplug in arm64, so the precondition of this note above is now met. Move setting the config XEN_BALLOON_MEMORY_HOTPLUG into the generic xen.config now. Signed-off-by: Lukas Bulwahn --- arch/x86/configs/xen.config | 3 --- kernel/configs/xen.config | 1 + 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/configs/xen.config b/arch/x86/configs/xen.config index 8a6c88f48e75..024817bc4f0e 100644 --- a/arch/x86/configs/xen.config +++ b/arch/x86/configs/xen.config @@ -23,6 +23,3 @@ CONFIG_XEN_ACPI_PROCESSOR=m CONFIG_XEN_PCIDEV_BACKEND=m # x86 specific frontend drivers CONFIG_XEN_PCIDEV_FRONTEND=m -# depends on MEMORY_HOTPLUG, arm64 doesn't enable this yet, -# move to generic config if it ever does. -CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y diff --git a/kernel/configs/xen.config b/kernel/configs/xen.config index 436f806aa1ed..ea84d5b3122d 100644 --- a/kernel/configs/xen.config +++ b/kernel/configs/xen.config @@ -34,6 +34,7 @@ CONFIG_INPUT_XEN_KBDDEV_FRONTEND=m CONFIG_XEN_SCSI_FRONTEND=m # others CONFIG_XEN_BALLOON=y +CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y CONFIG_XEN_DEV_EVTCHN=m CONFIG_XEN_BLKDEV_FRONTEND=m CONFIG_XEN_NETDEV_FRONTEND=m -- 2.17.1