Date: Mon, 27 Sep 2010 13:07:31 +0200 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= <phcoder@gmail.com> To: freebsd-mips@freebsd.org Subject: Re: [PATCH] [yeeloong] Kernel support for non-4K pages Message-ID: <4CA07AF3.1040403@gmail.com> In-Reply-To: <4CA0436E.2080005@gmail.com> References: <4CA0436E.2080005@gmail.com>
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This is a multi-part message in MIME format. --------------030703040102070000080402 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 09/27/2010 09:10 AM, Vladimir '=CF=86-coder/phcoder' Serbinenko wrote:= > Loongson CPUs have an annoying VIPT cache and 14 bits of virtual addres= s > are used for tagging. So either we need an excessive and difficult to > maintain cache flushing or to use 16K or biger pages. Note than when > configuring Linux on Yeeloong only page size of 16K and 64K are propose= d. > This patch fixes bunch of hardcoding of page size related constants and= > changes PAGE_SHIFT to 14 on Yeeloong. > > =20 --=20 Regards Vladimir '=CF=86-coder/phcoder' Serbinenko --------------030703040102070000080402 Content-Type: text/plain; name="page.diff.txt" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="page.diff.txt" PT09IG1vZGlmaWVkIGZpbGUgJ21pcHMvaW5jbHVkZS9wYXJhbS5oJwotLS0gbWlwcy9pbmNs dWRlL3BhcmFtLmgJMjAxMC0wOC0xMyAyMjoxNjo0OSArMDAwMAorKysgbWlwcy9pbmNsdWRl L3BhcmFtLmgJMjAxMC0wOC0xNiAyMzoyNDo0MyArMDAwMApAQCAtMTAwLDcgKzEwMCwxMSBA QAogI2RlZmluZQlDQUNIRV9MSU5FX1NISUZUCTYKICNkZWZpbmUJQ0FDSEVfTElORV9TSVpF CQkoMSA8PCBDQUNIRV9MSU5FX1NISUZUKQogCisjaWZuZGVmIFRBUkdFVF9ZRUVMT09ORwog I2RlZmluZQlQQUdFX1NISUZUCTEyCQkvKiBMT0cyKFBBR0VfU0laRSkgKi8KKyNlbHNlCisj ZGVmaW5lCVBBR0VfU0hJRlQJMTQJCS8qIExPRzIoUEFHRV9TSVpFKSAqLworI2VuZGlmCiAj 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