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.web11.77608.1673579903750024326 for ; Thu, 12 Jan 2023 19:18:24 -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 _____8CxPut+zcBjNmABAA--.4141S3; Fri, 13 Jan 2023 11:18:22 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Axvr5VzcBjisEYAA--.49868S8; Fri, 13 Jan 2023 11:18:21 +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 V4 6/8] Platform/Loongson: Optimize page table entry null determination. Date: Fri, 13 Jan 2023 11:17:36 +0800 Message-Id: X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Axvr5VzcBjisEYAA--.49868S8 X-CM-SenderInfo: 5ol0xt5qjotxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBjvdXoW7GFyDGF15tryDur4fKw4UArb_yoWDAFc_Ja 4ayan7Jr10qrnFg34jvr48u34xXw1kJw4UC3ZrJFyaqa45tw1FgF9rur9xXF9IvF4qvr4a grWvkr93Aw4agjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8wcxFpf9Il3svdxBIdaVrn0 xqx4xG64xvF2IEw4CE5I8CrVC2j2Jv73VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUU5 -7CY07I20VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4 vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7Cj xVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x 0267AKxVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E 6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6x8ErcxFaVAv8VWrMcvjeVCFs4IE7x kEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwIxGrwCF04k20xvE74AGY7Cv 6cx26rWl4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x 8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE 2Ix0cI8IcVAFwI0_Xr0_Ar1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42 xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWxJVW8Jr1lIxAIcVC2z280aVCY 1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7xRE6wZ7UUUUU== 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