{"id":89670,"date":"2026-08-03T13:56:32","date_gmt":"2026-08-03T05:56:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89670.html"},"modified":"2026-08-03T13:56:32","modified_gmt":"2026-08-03T05:56:32","slug":"irq-%e4%b8%ad%e6%96%ad%e4%b8%8d%e7%94%a8-add-rsp-8-%e8%b7%b3%e8%bf%87%e9%94%99%e8%af%af%e7%a0%81%ef%bc%8c%e8%80%8c-page-fault%e9%9c%80%e8%a6%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89670.html","title":{"rendered":"IRQ \u4e2d\u65ad\u4e0d\u7528 add rsp, 8 \u8df3\u8fc7\u9519\u8bef\u7801\uff0c\u800c Page Fault\u9700\u8981"},"content":{"rendered":"<p>\u95ee\u9898\u7684\u672c\u8d28&#xff0c;\u5728\u4e8e\u4e2d\u65ad\/\u5f02\u5e38\u662f\u5426\u7531CPU\u81ea\u52a8\u5411\u6808\u4e2d\u538b\u5165\u9519\u8bef\u7801&#xff0c;\u4ee5\u53ca\u8fd9\u4e2a\u9519\u8bef\u7801\u5bf9\u540e\u7eed\u5904\u7406\u662f\u5426\u5fc5\u987b\u3002<\/p>\n<hr \/>\n<h4>\u6838\u5fc3\u539f\u56e0&#xff1a;CPU\u662f\u5426\u81ea\u52a8\u538b\u6808\u9519\u8bef\u7801<\/h4>\n<p>IRQ&#xff08;\u5916\u90e8\u786c\u4ef6\u4e2d\u65ad&#xff09;\u548c Page Fault&#xff08;\u7f3a\u9875\u5f02\u5e38&#xff09;\u5728CPU\u5904\u7406\u6d41\u7a0b\u4e0a\u6709\u4e00\u4e2a\u5173\u952e\u533a\u522b&#xff1a;<\/p>\n<ul>\n<li>\n<p>IRQ&#xff08;\u4e2d\u65ad&#xff09;\u4e0d\u4f1a\u7531CPU\u81ea\u52a8\u538b\u5165\u9519\u8bef\u7801&#xff0c;\u6808\u4e0a\u53ea\u6709\u8fd4\u56de\u5730\u5740&#xff08;RIP\u00a0&#043;\u00a0CS\u00a0&#043;\u00a0RFLAGS&#xff09;&#xff0c;\u56e0\u6b64\u5904\u7406\u5b8cIRQ\u540e&#xff0c;\u76f4\u63a5\u6267\u884c\u00a0iret\u00a0\u8fd4\u56de\u5373\u53ef&#xff0c;\u4e0d\u9700\u8981\u8df3\u8fc7\u4efb\u4f55\u989d\u5916\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p>Page Fault&#xff08;#PF&#xff0c;\u4e2d\u65ad\u5411\u91cf14&#xff09;\u4f1a\u7531CPU\u81ea\u52a8\u538b\u5165\u4e00\u4e2a\u9519\u8bef\u7801&#xff08;Error Code&#xff09;\u5230\u6808\u4e2d&#xff0c;\u901a\u5e38\u4f4d\u4e8e\u8fd4\u56de\u5730\u5740\u4e4b\u540e\u3002\u56e0\u6b64&#xff0c;\u5fc5\u987b\u5728\u8fd4\u56de\u524d\u901a\u8fc7\u00a0add rsp, 8\u00a0\u7b49\u65b9\u5f0f\u5c06\u6808\u6307\u9488\u63a8\u8fdb&#xff0c;\u8df3\u8fc7\u8fd9\u4e2a\u9519\u8bef\u7801&#xff0c;\u5426\u5219\u00a0iret\u00a0\u4f1a\u56e0\u6808\u5e03\u5c40\u9519\u4e71\u800c\u51fa\u9519\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u8be6\u7ec6\u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u7279\u6027IRQ&#xff08;\u5916\u90e8\u4e2d\u65ad&#xff09;Page Fault&#xff08;#PF&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u89e6\u53d1\u6e90<\/td>\n<td>\u786c\u4ef6\u8bbe\u5907&#xff08;\u5982\u5b9a\u65f6\u5668\u3001\u952e\u76d8&#xff09;<\/td>\n<td>\u5185\u5b58\u8bbf\u95ee\u5f02\u5e38&#xff08;\u7f3a\u9875\u3001\u6743\u9650\u8fdd\u89c4&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u662f\u5426\u538b\u5165\u9519\u8bef\u7801<\/td>\n<td>\u274c \u5426<\/td>\n<td>\u2705 \u662f&#xff08;32\u4f4d\/64\u4f4d\u5747\u538b\u5165&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u9519\u8bef\u7801\u5185\u5bb9<\/td>\n<td>\u4e0d\u9002\u7528<\/td>\n<td>\u5305\u542b\u8bbf\u95ee\u7c7b\u578b\u3001\u9875\u8868\u5c42\u7ea7\u3001\u662f\u5426\u4e3a\u5199\u64cd\u4f5c\u7b49<\/td>\n<\/tr>\n<tr>\n<td>\u6808\u4e0a\u5e03\u5c40<\/td>\n<td>RIP\u00a0\u2192\u00a0CS\u00a0\u2192\u00a0RFLAGS<\/td>\n<td>RIP\u00a0\u2192\u00a0CS\u00a0\u2192\u00a0RFLAGS\u00a0\u2192\u00a0\u9519\u8bef\u7801<\/td>\n<\/tr>\n<tr>\n<td>\u8fd4\u56de\u524d\u9700\u8981\u00a0add rsp, 8&#xff1f;<\/td>\n<td>\u274c \u4e0d\u9700\u8981<\/td>\n<td>\u2705 \u5fc5\u987b\u8df3\u8fc7\u9519\u8bef\u7801\u624d\u80fd\u00a0iret<\/td>\n<\/tr>\n<tr>\n<td>\u662f\u5426\u5fc5\u987b\u5904\u7406<\/td>\n<td>\u901a\u5e38\u7531\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6<\/td>\n<td>\u5fc5\u987b\u5904\u7406&#xff0c;\u5426\u5219\u89e6\u53d1\u4e09\u91cd\u6545\u969c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>\u9519\u8bef\u7801&#xff08;Error Code&#xff09;\u7684\u7ed3\u6784<\/h4>\n<p>#PF\u00a0\u538b\u5165\u7684\u9519\u8bef\u7801\u5728 x86_64 \u4e0b\u662f\u4e00\u4e2a 64 \u4f4d\u7684\u503c&#xff08;\u4f4e 32 \u4f4d\u6709\u6548&#xff09;&#xff0c;\u5176\u4f4d\u5b57\u6bb5\u542b\u4e49\u5982\u4e0b&#xff1a;<\/p>\n<table>\n<tr>\u4f4d\u542b\u4e49<\/tr>\n<tbody>\n<tr>\n<td>0<\/td>\n<td>P&#xff08;\u4fdd\u62a4\u5f02\u5e38&#xff09;&#xff1a;0 &#061; \u9875\u4e0d\u5b58\u5728&#xff0c;1 &#061; \u6743\u9650\u8fdd\u89c4<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>W&#xff08;\u5199\u64cd\u4f5c&#xff09;&#xff1a;0 &#061; \u8bfb&#xff0c;1 &#061; \u5199<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>U&#xff08;\u7528\u6237\u6a21\u5f0f&#xff09;&#xff1a;0 &#061; \u5185\u6838\u6a21\u5f0f&#xff0c;1 &#061; \u7528\u6237\u6a21\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>RSVD&#xff08;\u4fdd\u7559\u9875\u8868\u9879&#xff09;&#xff1a;1 &#061; \u4f7f\u7528\u4e86\u4fdd\u7559\u4f4d<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>I\/D&#xff08;\u6307\u4ee4\u83b7\u53d6&#xff09;&#xff1a;1 &#061; \u6307\u4ee4\u83b7\u53d6<\/td>\n<\/tr>\n<tr>\n<td>5&#043;<\/td>\n<td>\u5176\u4ed6\u6807\u5fd7&#xff08;\u67d0\u4e9b CPU \u6269\u5c55&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5185\u6838\u5728\u00a0#PF\u00a0\u5904\u7406\u51fd\u6570\u4e2d\u901a\u8fc7\u8bfb\u53d6\u8fd9\u4e2a\u9519\u8bef\u7801&#xff0c;\u51b3\u5b9a\u5982\u4f55\u4fee\u590d&#xff1a;\u5206\u914d\u65b0\u9875\u3001\u68c0\u67e5\u6743\u9650\u3001\u6216\u5c06\u5f02\u5e38\u8f6c\u53d1\u7ed9\u5e94\u7528\u7a0b\u5e8f&#xff08;\u5982\u00a0SIGSEGV&#xff09;\u3002<\/p>\n<h4><\/h4>\n<h4>\u00a0\u4e3a\u4ec0\u4e48 IRQ \u4e0d\u7528\u8df3&#xff0c;\u800c #PF \u5fc5\u987b\u8df3&#xff1f;<\/h4>\n<p>\u56e0\u4e3a IRQ \u6808\u4e0a\u6839\u672c\u4e0d\u5b58\u5728\u9700\u8981\u8df3\u8fc7\u7684\u6570\u636e\u3002\u5982\u679c\u9519\u8bef\u5730\u6267\u884c\u00a0add rsp, 8&#xff0c;\u6808\u6307\u9488\u4f1a\u6307\u5411\u9519\u8bef\u7684\u4f4d\u7f6e&#xff0c;iret\u00a0\u65f6\u62ff\u5230\u7684\u00a0RIP\u00a0\u662f\u9519\u7684&#xff0c;CPU \u4f1a\u8df3\u8f6c\u5230\u968f\u673a\u5730\u5740&#xff0c;\u51e0\u4e4e\u7acb\u523b\u89e6\u53d1\u00a0#GP&#xff08;\u901a\u7528\u4fdd\u62a4\u5f02\u5e38&#xff09;&#xff0c;\u9020\u6210\u7cfb\u7edf\u6302\u8d77\u6216\u5d29\u6e83\u3002<\/p>\n<p>\u800c\u5bf9\u4e8e\u00a0#PF&#xff0c;\u5982\u679c\u4e0d\u8df3\u8fc7\u9519\u8bef\u7801&#xff0c;iret\u00a0\u4f1a\u9519\u8bef\u5730\u5c1d\u8bd5\u5c06\u9519\u8bef\u7801\u5f53\u4f5c\u00a0RIP\u00a0\u6765\u4f7f\u7528&#xff0c;\u5bfc\u81f4\u6808\u5c55\u5f00\u9519\u4e71&#xff0c;\u7cfb\u7edf\u5d29\u6e83\u3002\u56e0\u6b64&#xff0c;\u8df3\u8fc7\u9519\u8bef\u7801\u662f\u6b63\u786e\u8fd4\u56de\u7684\u524d\u7f6e\u6761\u4ef6\u3002<\/p>\n<hr \/>\n<h4>\u4e2d\u65ad\/\u5f02\u5e38\u5904\u7406\u7684\u6807\u51c6\u6d41\u7a0b&#xff08;x86_64&#xff09;<\/h4>\n<li>\n<p>CPU \u538b\u6808&#xff08;\u53d6\u51b3\u4e8e\u5f02\u5e38\u7c7b\u578b&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u65e0\u9519\u8bef\u7801&#xff1a;\u4ec5\u538b\u5165\u00a0RIP\u3001CS\u3001RFLAGS<\/p>\n<\/li>\n<li>\n<p>\u6709\u9519\u8bef\u7801&#xff1a;\u518d\u538b\u5165\u9519\u8bef\u7801&#xff08;\u4f4d\u4e8e\u00a0RFLAGS\u00a0\u4e4b\u540e&#xff09;<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u627e\u5230\u4e2d\u65ad\u95e8 \/ \u9677\u9631\u95e8&#xff08;IDT \u4e2d\u7684\u95e8\u63cf\u8ff0\u7b26&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u662f\u00a0\u4e2d\u65ad\u95e8&#xff1a;RFLAGS.IF\u00a0\u88ab\u6e05\u96f6&#xff0c;\u5c4f\u853d\u540e\u7eed\u4e2d\u65ad<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u662f\u00a0\u9677\u9631\u95e8&#xff1a;IF\u00a0\u4e0d\u6e05\u96f6<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5207\u6362\u5230\u5185\u6838\u6808&#xff08;IST\u00a0\u6216\u00a0TSS\u00a0\u4e2d\u7684\u00a0RSP0&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u6267\u884c\u5185\u6838\u5904\u7406\u51fd\u6570&#xff08;\u8bfb\u53d6\u9519\u8bef\u7801&#xff0c;\u5904\u7406\u903b\u8f91&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u8fd4\u56de&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6709\u9519\u8bef\u7801&#xff1a;add rsp, 8&#xff08;\u8df3\u8fc7\u9519\u8bef\u7801&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u65e0\u9519\u8bef\u7801&#xff1a;\u76f4\u63a5\u00a0iret<\/p>\n<\/li>\n<li>\n<p>\u6062\u590d\u00a0RFLAGS\u00a0\u548c\u7528\u6237\u6001\u4e0a\u4e0b\u6587<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h4>\u8865\u5145\u8bf4\u660e<\/h4>\n<ul>\n<li>\n<p>IRET\u00a0vs\u00a0IRETQ&#xff1a;\u5728 x86_64 \u4e2d&#xff0c;\u59cb\u7ec8\u4f7f\u7528\u00a0iretq&#xff08;64 \u4f4d\u7248\u672c&#xff09;\u8fd4\u56de\u3002iret\u00a0\u672c\u8eab\u4f1a\u6839\u636e\u5f53\u524d\u6a21\u5f0f\u81ea\u52a8\u9009\u62e9\u64cd\u4f5c\u6570\u5927\u5c0f&#xff0c;\u4f46\u5728\u957f\u6a21\u5f0f\u4e0b\u5efa\u8bae\u663e\u5f0f\u4f7f\u7528\u00a0iretq\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e2d\u65ad\u5d4c\u5957&#xff1a;\u67d0\u4e9b IRQ&#xff08;\u5982\u5b9a\u65f6\u5668\u4e2d\u65ad&#xff09;\u4e5f\u53ef\u80fd\u5728\u5185\u6838\u5904\u7406\u4e2d\u89e6\u53d1\u00a0#PF&#xff0c;\u6b64\u65f6\u6808\u4e0a\u4f1a\u53e0\u52a0\u591a\u5c42\u9519\u8bef\u7801&#xff0c;\u9700\u8981\u9010\u5c42\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>MSR \u4e0e RFLAGS&#xff1a;SYSCALL\u00a0\u4f1a\u5728\u8fdb\u5165\u5185\u6838\u65f6\u901a\u8fc7\u00a0IA32_FMASK\u00a0\u81ea\u52a8\u5c4f\u853d\u00a0RFLAGS\u00a0\u4e2d\u7684\u00a0IF&#xff0c;\u4f46\u786c\u4ef6\u4e2d\u65ad\u4e0d\u6d89\u53ca MSR&#xff0c;\u800c\u662f\u901a\u8fc7\u00a0RFLAGS.IF\u00a0\u7684\u4f4d\u63a7\u5236\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u603b\u7ed3&#xff1a;<\/h4>\n<p>IRQ \u4e0d\u9700\u8981\u00a0add rsp, 8&#xff0c;\u56e0\u4e3a\u5b83\u6839\u672c\u6ca1\u6709\u88ab\u538b\u5165\u9519\u8bef\u7801&#xff1b;\u800c\u00a0#PF\u00a0\u5fc5\u987b\u8fd9\u6837\u505a&#xff0c;\u56e0\u4e3a CPU\u00a0\u5f3a\u5236\u538b\u5165\u4e86\u9519\u8bef\u7801&#xff0c;\u8df3\u8fc7\u5b83\u662f\u6b63\u786e\u8fd4\u56de\u7684\u5fc5\u8981\u524d\u63d0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u7684\u672c\u8d28&#xff0c;\u5728\u4e8e\u4e2d\u65ad\/\u5f02\u5e38\u662f\u5426\u7531CPU\u81ea\u52a8\u5411\u6808\u4e2d\u538b\u5165\u9519\u8bef\u7801&#xff0c;\u4ee5\u53ca\u8fd9\u4e2a\u9519\u8bef\u7801\u5bf9\u540e\u7eed\u5904\u7406\u662f\u5426\u5fc5\u987b\u3002\u6838\u5fc3\u539f\u56e0&#xff1a;CPU\u662f\u5426\u81ea\u52a8\u538b\u6808\u9519\u8bef\u7801IRQ&#xff08;\u5916\u90e8\u786c\u4ef6\u4e2d\u65ad&#xff09;\u548c Page Fault&#xff08;\u7f3a\u9875\u5f02\u5e38&#xff09;\u5728CPU\u5904\u7406\u6d41\u7a0b\u4e0a\u6709\u4e00\u4e2a\u5173\u952e\u533a\u522b&#xff1a;IRQ&#xff08;\u4e2d\u65ad&#xff09;\u4e0d\u4f1a\u7531CPU\u81ea\u52a8\u538b\u5165\u9519\u8bef\u7801&#xff0c;\u6808\u4e0a\u53ea\u6709\u8fd4\u56de\u5730\u5740&#xff08;RIP\u00a0\u00a0CS\u00a0\u00a0RFLAGS&amp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[171],"topic":[],"class_list":["post-89670","post","type-post","status-publish","format-standard","hentry","category-server","tag-asm"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>IRQ \u4e2d\u65ad\u4e0d\u7528 add rsp, 8 \u8df3\u8fc7\u9519\u8bef\u7801\uff0c\u800c Page Fault\u9700\u8981 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/89670.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IRQ \u4e2d\u65ad\u4e0d\u7528 add rsp, 8 \u8df3\u8fc7\u9519\u8bef\u7801\uff0c\u800c Page Fault\u9700\u8981 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u95ee\u9898\u7684\u672c\u8d28&#xff0c;\u5728\u4e8e\u4e2d\u65ad\/\u5f02\u5e38\u662f\u5426\u7531CPU\u81ea\u52a8\u5411\u6808\u4e2d\u538b\u5165\u9519\u8bef\u7801&#xff0c;\u4ee5\u53ca\u8fd9\u4e2a\u9519\u8bef\u7801\u5bf9\u540e\u7eed\u5904\u7406\u662f\u5426\u5fc5\u987b\u3002\u6838\u5fc3\u539f\u56e0&#xff1a;CPU\u662f\u5426\u81ea\u52a8\u538b\u6808\u9519\u8bef\u7801IRQ&#xff08;\u5916\u90e8\u786c\u4ef6\u4e2d\u65ad&#xff09;\u548c Page 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