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([94.75.70.14]) by smtp.gmail.com with ESMTPSA id g1-20020a170906348100b009de3641d538sm1882374ejb.134.2023.11.24.02.31.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Nov 2023 02:31:24 -0800 (PST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 9efe9df1-8ab4-11ee-9b0e-b553b5be7939 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700821885; x=1701426685; darn=lists.xenproject.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=NGHd1eioR6HPD5JPnk3lVVgnNn+PvGtKXyao91lq60c=; b=S/bRg5ZbVFpD7Oiy1uCed1ltJLWbEt1Bg6qcdtsJsW0VKEghSOG0m9ded1+x8dJL2t KDmM/4vpBGGWKMcs2JFh68Ro3qjtrWlZL22GpmrUK7LVKRADhmRgyOYzRjOgRm71JqUC Q3aVlKjdMiVvMLxkixZfKE/YOoRXmyfEO8KyiIV7+fxSJjPKN9BfMTFBybR4b8xYcnmP eW8o/Va5NUfAtepgcMtoEhlQ0zEgtyecdG/E0AAYh+rAFHnxNFWTx0231CYYrUZiv/gT l+uA7tT74v3O1aC2WSBedJ+/E5S79VEa65uNljhGMHKw2mlOrhe2FiEhDrJfuWeVzCNl ZBcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700821885; x=1701426685; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=NGHd1eioR6HPD5JPnk3lVVgnNn+PvGtKXyao91lq60c=; b=nOqmTiPyw2xaRJZlk23WGyZGHMWd8tGMyB+ohpdEl9xxTUQiSpVGdyGyGMv03jPi99 aZ31j9NZYY/5N1EbgxMP+psUOVdz5hH0RVTnlt2IFtGyjyu9DSzrzw2mI4lj4OYE3i7N JMlX1TdryM7a5Ytp2bOk+m8KGdcq9H7GhAfNmz3nW4y1TjA9XJLlXBf9RuJitE9vVC9V 6nzxv3EBjj79/G6TonQE2SQ1aolQY0x+0EYIbZbYlEOYqhZtj3nxZ/DVhu0uQ9i5hTll g7JHqsLS5aUbBnDJ6uSyxXQkYbAPPtHNgfTxpcfz+XZ5cqTyXRci8q3JcBBlWRQ9jcVZ jEEg== X-Gm-Message-State: AOJu0YzSbO5GSIAY3ZpS9V2fvd1pQkdirA5n6M6z7HI3ivBoA0Zrj5kH EmxHU9hD9D1JeqwDE5LM4fhodTFcbvRchw== X-Google-Smtp-Source: AGHT+IF369ssi9i4xHOn9AHxdONjbG9obh1F0ASlfG8CJ2qND7XQtQOeZTvzeo5UxLoOqe5ik7Z9bg== X-Received: by 2002:a17:906:3ca:b0:9fe:ae1b:77bc with SMTP id c10-20020a17090603ca00b009feae1b77bcmr2106918eja.34.1700821885024; Fri, 24 Nov 2023 02:31:25 -0800 (PST) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Oleksii Kurochko , Alistair Francis , Bob Eshleman , Connor Davis , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu Subject: [PATCH v2 15/39] xen/riscv: introduce flushtlb.h Date: Fri, 24 Nov 2023 12:30:35 +0200 Message-ID: <12a698e62766be7dfdac23923d7cdcb3b9b2d52e.1700761381.git.oleksii.kurochko@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: References: MIME-Version: 1.0 Signed-off-by: Oleksii Kurochko Acked-by: Jan Beulich --- Changes in V2: - Nothing changed. Only rebase. --- xen/arch/riscv/include/asm/flushtlb.h | 31 +++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 xen/arch/riscv/include/asm/flushtlb.h diff --git a/xen/arch/riscv/include/asm/flushtlb.h b/xen/arch/riscv/include/asm/flushtlb.h new file mode 100644 index 0000000000..7059a53823 --- /dev/null +++ b/xen/arch/riscv/include/asm/flushtlb.h @@ -0,0 +1,31 @@ +#ifndef __ASM_RISCV_FLUSHTLB_H__ +#define __ASM_RISCV_FLUSHTLB_H__ + +#include + +/* + * Filter the given set of CPUs, removing those that definitely flushed their + * TLB since @page_timestamp. + */ +/* XXX lazy implementation just doesn't clear anything.... */ +static inline void tlbflush_filter(cpumask_t *mask, uint32_t page_timestamp) {} + +#define tlbflush_current_time() (0) + +static inline void page_set_tlbflush_timestamp(struct page_info *page) +{ + BUG(); +} + +/* Flush specified CPUs' TLBs */ +void arch_flush_tlb_mask(const cpumask_t *mask); + +#endif /* __ASM_RISCV_FLUSHTLB_H__ */ +/* + * Local variables: + * mode: C + * c-file-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */