From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from [222.73.24.84] (helo=song.cn.fujitsu.com) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UP8Q3-0005eb-2n for kexec@lists.infradead.org; Mon, 08 Apr 2013 09:31:20 +0000 Message-ID: <51628E04.8010002@cn.fujitsu.com> Date: Mon, 08 Apr 2013 17:29:40 +0800 From: Zhang Yanfei MIME-Version: 1.0 Subject: Re: [PATCH RESEND]kexec:i386/kexec-[bzImage|elf-x86]:x86_64/kexec-bzImage64: Use "\0" as command line instead of empty command line References: <20130408092325.GA23318@udknight> In-Reply-To: <20130408092325.GA23318@udknight> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: Wang YanQing , horms@verge.net.au Cc: tjd21@cl.cam.ac.uk, kexec@lists.infradead.org, ebiederm@xmission.com, zhangyanfei.yes@gmail.com, hari@in.ibm.com 5LqOIDIwMTPlubQwNOaciDA45pelIDE3OjIzLCBXYW5nIFlhblFpbmcg5YaZ6YGTOgo+IFRoaXMg cGF0Y2ggcHJldmVudHMgdGhlIHByb2JsZW1zIHRvIGhhcHBlbiBiZWxvdzoKPiBJbiBzZXR1cF9s aW51eF9ib290bG9hZGVyX3BhcmFtZXRlcnNfaGlnaAo+IDEyMCAgICAgICAgIGNtZGxpbmVfcHRy ID0gKChjaGFyICopcmVhbF9tb2RlKSArIGNtZGxpbmVfb2Zmc2V0Owo+IDEyMSAgICAgICAgIG1l bWNweShjbWRsaW5lX3B0ciwgY21kbGluZSwgY21kbGluZV9sZW4pOwo+IDEyMiAgICAgICAgIGNt ZGxpbmVfcHRyW2NtZGxpbmVfbGVuIC0gMV0gPSAnXDAnOwo+IAo+IGlmIGNtZGxpbmVfbGVuID09 IDAsIExpbmUgMTIyIHdpbGwgY29ycnVwdCBrZXJuZWwxNiBidWYganVzdCBiZWZvcmUgdGhlIGNv bW1hbmRsaW5lLgo+IEFuZCBpbiBkb19iekltYWdlX2xvYWQsIGZvciBleGFtcGxlLAo+IDM2OSAg ICAgICAgIGNtZGxpbmVfZW5kID0gc2V0dXBfYmFzZSArIGtlcm4xNl9zaXplX25lZWRlZCArIGNv bW1hbmRfbGluZV9sZW4gLSAxOwo+IDM3MCAgICAgICAgIGVsZl9yZWxfc2V0X3N5bWJvbCgmaW5m by0+cmhkciwgImNtZGxpbmVfZW5kIiwgJmNtZGxpbmVfZW5kLAo+IDM3MSAgICAgICAgICAgICAg ICAgICAgICAgICAgICBzaXplb2YodW5zaWduZWQgbG9uZykpOwo+IExpbmUgMzY5IHdpbGwgZ28g d3JvbmcsIHRvby4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBXYW5nIFlhblFpbmcgPHVka25pZ2h0QGdt YWlsLmNvbT4KPiAtLS0KPiAgSGkgWmhhbmcgWWFuZmVpLCBjb3VsZCB5b3UgZ2l2ZSB5b3VyIHNp Z25lZC1vZmYtYnkgdG8KPiAgdGhpcyBwYXRjaD8KClllYWguCgpTaWduZWQtb2ZmLWJ5OiBaaGFu ZyBZYW5mZWkgPHpoYW5neWFuZmVpQGNuLmZ1aml0c3UuY29tPgoKSGkgU2ltb24sIGNvdWxkIHlv dSBwbGVhc2UgdGFrZSBhIGxvb2sgYXQgdGhpcyB0byBzZWUgaWYgdGhlIGNoYW5nZSBpcyByZWFz b25hYmxlPwpBZnRlciBhbGwsIGlmIG5vIGNvbW1hZGxpbmUsIHdlIG1ha2UgdGhlIGNvbW1hbmRs aW5lX2xlbiB0byAxLiBJIGRvbid0IGtub3cgaWYKdGhpcyBiZWhhdmlvdXIgY291bGQgYmUgYWNj ZXB0ZWQgYnkgeW91LgoKVGhhbmtzClpoYW5nCgo+IAo+ICBrZXhlYy9hcmNoL2kzODYva2V4ZWMt YnpJbWFnZS5jICAgICB8IDMgKysrCj4gIGtleGVjL2FyY2gvaTM4Ni9rZXhlYy1lbGYteDg2LmMg ICAgIHwgMyArKysKPiAga2V4ZWMvYXJjaC94ODZfNjQva2V4ZWMtYnpJbWFnZTY0LmMgfCA2ICsr KysrLQo+ICAzIGZpbGVzIGNoYW5nZWQsIDExIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkK PiAKPiBkaWZmIC0tZ2l0IGEva2V4ZWMvYXJjaC9pMzg2L2tleGVjLWJ6SW1hZ2UuYyBiL2tleGVj L2FyY2gvaTM4Ni9rZXhlYy1iekltYWdlLmMKPiBpbmRleCA5OWZkNzkwLi4yOWYyODBkIDEwMDY0 NAo+IC0tLSBhL2tleGVjL2FyY2gvaTM4Ni9rZXhlYy1iekltYWdlLmMKPiArKysgYi9rZXhlYy9h cmNoL2kzODYva2V4ZWMtYnpJbWFnZS5jCj4gQEAgLTQzNSw2ICs0MzUsOSBAQCBpbnQgYnpJbWFn ZV9sb2FkKGludCBhcmdjLCBjaGFyICoqYXJndiwgY29uc3QgY2hhciAqYnVmLCBvZmZfdCBsZW4s Cj4gIAljb21tYW5kX2xpbmVfbGVuID0gMDsKPiAgCWlmIChjb21tYW5kX2xpbmUpIHsKPiAgCQlj b21tYW5kX2xpbmVfbGVuID0gc3RybGVuKGNvbW1hbmRfbGluZSkgKzE7Cj4gKwl9IGVsc2Ugewo+ ICsJICAgIGNvbW1hbmRfbGluZSA9IHN0cmR1cCgiXDAiKTsKPiArCSAgICBjb21tYW5kX2xpbmVf bGVuID0gMTsKPiAgCX0KPiAgCXJhbWRpc2tfYnVmID0gMDsKPiAgCWlmIChyYW1kaXNrKSB7Cj4g ZGlmZiAtLWdpdCBhL2tleGVjL2FyY2gvaTM4Ni9rZXhlYy1lbGYteDg2LmMgYi9rZXhlYy9hcmNo L2kzODYva2V4ZWMtZWxmLXg4Ni5jCj4gaW5kZXggZTYyZWJjYi4uNzg4YTIwOSAxMDA2NDQKPiAt LS0gYS9rZXhlYy9hcmNoL2kzODYva2V4ZWMtZWxmLXg4Ni5jCj4gKysrIGIva2V4ZWMvYXJjaC9p Mzg2L2tleGVjLWVsZi14ODYuYwo+IEBAIC0xNjEsNiArMTYxLDkgQEAgaW50IGVsZl94ODZfbG9h ZChpbnQgYXJnYywgY2hhciAqKmFyZ3YsIGNvbnN0IGNoYXIgKmJ1Ziwgb2ZmX3QgbGVuLAo+ICAJ Y29tbWFuZF9saW5lX2xlbiA9IDA7Cj4gIAlpZiAoY29tbWFuZF9saW5lKSB7Cj4gIAkJY29tbWFu ZF9saW5lX2xlbiA9IHN0cmxlbihjb21tYW5kX2xpbmUpICsxOwo+ICsJfSBlbHNlIHsKPiArCSAg ICBjb21tYW5kX2xpbmUgPSBzdHJkdXAoIlwwIik7Cj4gKwkgICAgY29tbWFuZF9saW5lX2xlbiA9 IDE7Cj4gIAl9Cj4gIAo+ICAJLyogTmVlZCB0byBhcHBlbmQgc29tZSBjb21tYW5kIGxpbmUgcGFy YW1ldGVycyBpbnRlcm5hbGx5IGluIGNhc2Ugb2YKPiBkaWZmIC0tZ2l0IGEva2V4ZWMvYXJjaC94 ODZfNjQva2V4ZWMtYnpJbWFnZTY0LmMgYi9rZXhlYy9hcmNoL3g4Nl82NC9rZXhlYy1iekltYWdl NjQuYwo+IGluZGV4IDg2ZTZkMTMuLmVjNjE0YTQgMTAwNjQ0Cj4gLS0tIGEva2V4ZWMvYXJjaC94 ODZfNjQva2V4ZWMtYnpJbWFnZTY0LmMKPiArKysgYi9rZXhlYy9hcmNoL3g4Nl82NC9rZXhlYy1i ekltYWdlNjQuYwo+IEBAIC0yODQsOCArMjg0LDEyIEBAIGludCBiekltYWdlNjRfbG9hZChpbnQg YXJnYywgY2hhciAqKmFyZ3YsIGNvbnN0IGNoYXIgKmJ1Ziwgb2ZmX3QgbGVuLAo+ICAJfQo+ICAJ Y29tbWFuZF9saW5lID0gY29uY2F0X2NtZGxpbmUoY29tbWFuZF9saW5lLCBhcHBlbmQpOwo+ICAJ Y29tbWFuZF9saW5lX2xlbiA9IDA7Cj4gLQlpZiAoY29tbWFuZF9saW5lKQo+ICsJaWYgKGNvbW1h bmRfbGluZSkgewo+ICAJCWNvbW1hbmRfbGluZV9sZW4gPSBzdHJsZW4oY29tbWFuZF9saW5lKSAr IDE7Cj4gKwl9IGVsc2Ugewo+ICsJCWNvbW1hbmRfbGluZSA9IHN0cmR1cCgiXDAiKTsKPiArCQlj b21tYW5kX2xpbmVfbGVuID0gMTsKPiArCX0KPiAgCXJhbWRpc2tfYnVmID0gMDsKPiAgCWlmIChy YW1kaXNrKQo+ICAJCXJhbWRpc2tfYnVmID0gc2x1cnBfZmlsZShyYW1kaXNrLCAmcmFtZGlza19s ZW5ndGgpOwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmtleGVjIG1haWxpbmcgbGlzdAprZXhlY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8va2V4ZWMK