From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from loongson.cn (loongson.cn [114.242.206.163]) by mx.groups.io with SMTP id smtpd.web10.92214.1673313436615938719 for ; Mon, 09 Jan 2023 17:17:17 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: loongson.cn, ip: 114.242.206.163, mailfrom: lixianglai@loongson.cn) Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxTuubvLxj_6YAAA--.2113S3; Tue, 10 Jan 2023 09:17:15 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxHuRxvLxjAR0XAA--.3346S7; Tue, 10 Jan 2023 09:17:15 +0800 (CST) From: "xianglai" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Bibo Mao , Chao Li , Leif Lindholm , Liming Gao , Michael D Kinney Subject: [edk2-platforms][PATCH V2 5/7] Platform/Loongson: Optimize page table entry null determination. Date: Tue, 10 Jan 2023 09:16:17 +0800 Message-Id: <210f923d9434b45cb6ee8e6b45ccea33be46d7ab.1673313038.git.lixianglai@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxHuRxvLxjAR0XAA--.3346S7 X-CM-SenderInfo: 5ol0xt5qjotxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBjvdXoW7GFyDGF15tryDur4fKw4UArb_yoWDAFc_Ja 4ayan7Jr10qrnFg34jvr48u34xXw1kJw4UC3ZrJFyaqa45tw1FgF9rur9xXF9IvF4qvr4a grWvkr93Aw4agjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8wcxFpf9Il3svdxBIdaVrn0 xqx4xG64xvF2IEw4CE5I8CrVC2j2Jv73VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUU5 V7CY07I20VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4 vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7Cj xVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv6xkF7I 0E14v26r4j6r4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYIkI8VC2zVCF FI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VCjz48v1sIEY20_WwAm72CE4IkC6x0Yz7 v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxFaVAv 8VWrMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7 xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xII jxv20xvE14v26ryj6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw2 0EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x02 67AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7xRE6wZ7UUUUU== Content-Transfer-Encoding: 8bit Modify the null judgment condition of page table entries. Cc: Ard Biesheuvel Cc: Bibo Mao Cc: Chao Li Cc: Leif Lindholm Cc: Liming Gao Cc: Michael D Kinney Signed-off-by: xianglai li --- Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h b/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h index 6ab07e7900..84c7c13919 100644 --- a/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h +++ b/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h @@ -275,6 +275,6 @@ pte_none ( IN PTE pte ) { - return (!(PTE_VAL(pte) & (~PAGE_GLOBAL))); + return (!(PTE_VAL(pte) & (~PAGE_VALID))); } #endif // PAGE_H_ -- 2.31.1