Update 6multitasking-based-on-as.rst

lewiszlw · web-flow · commit 93c1a63d1535 · 2024-10-16T14:59:04.000+08:00
diff --git a/source/chapter4/6multitasking-based-on-as.rst b/source/chapter4/6multitasking-based-on-as.rst
@@ -83,7 +83,7 @@
                 let satp = self.page_table.token();
                 unsafe {
                     satp::write(satp);
-                    asm!("sfence.vma" :::: "volatile");
+                    asm!("sfence.vma");
                 }
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,7 @@`
`83`	`83`	`let satp = self.page_table.token();`
`84`	`84`	`unsafe {`
`85`	`85`	`satp::write(satp);`
`86`		`- asm!("sfence.vma" :::: "volatile");`
	`86`	`+ asm!("sfence.vma");`
`87`	`87`	`}`
`88`	`88`	`}`
`89`	`89`	`}`