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09 Jun 2020 08:44:16 -0700 Received: by lahna (sSMTP sendmail emulation); Tue, 09 Jun 2020 18:44:16 +0300 Date: Tue, 9 Jun 2020 18:44:16 +0300 From: Mika Westerberg To: Paul Menzel Subject: Re: close() on some Intel CNP-LP PCI devices takes up to 2.7 s Message-ID: <20200609154416.GU247495@lahna.fi.intel.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-Mailman-Approved-At: Tue, 09 Jun 2020 17:15:18 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mario Limonciello , linux-pci@vger.kernel.org, LKML , amd-gfx@lists.freedesktop.org, it+linux-pci@molgen.mpg.de, Bjorn Helgaas Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" T24gVHVlLCBKdW4gMDksIDIwMjAgYXQgMDU6Mzk6MjFQTSArMDIwMCwgUGF1bCBNZW56ZWwgd3Jv dGU6Cj4gRGVhciBMaW51eCBmb2xrcywKPiAKPiAKPiBPbiB0aGUgSW50ZWwgQ2Fubm9uIFBvaW50 LUxQIGxhcHRvcCBEZWxsIFByZWNpc2lvbiAzNTQwIHdpdGggYSBkZWRpY2F0ZWQgQU1ECj4gZ3Jh cGhpY3MgY2FyZCAoYm90aCBncmFwaGljcyBkZXZpY2VzIGNhbiBiZSB1c2VkKSB3aXRoIERlYmlh biBTaWQvdW5zdGFibGUKPiB3aXRoIExpbnV4IDUuNi4xNCwgcnVubmluZyBsc3BjaSB0YWtlcyBx dWl0ZSBzb21lIHRpbWUsIGFuZCB0aGUgc2NyZWVuIGV2ZW4KPiBmbGlja2VycyBhIHNob3J0IG1v bWVudCBiZWZvcmUgdGhlIHJlc3VsdCBpcyBkaXNwbGF5ZWQuCj4gCj4gVHJhY2luZyBsc3BjaSB3 aXRoIHN0cmFjZSwgc2hvd3MgdGhhdCB0aGUgY2xvc2UoKSBmdW5jdGlvbiBvZiB0aGUgdGhyZWUK PiBkZXZpY2VzIHRha2VzIGZyb20KPiAKPiDigKIgICAwMDoxZC4wIFBDSSBicmlkZ2U6IEludGVs IENvcnBvcmF0aW9uIENhbm5vbiBQb2ludC1MUCBQQ0kgRXhwcmVzcyBSb290Cj4gUG9ydCAjOQo+ IAo+IOKAoiAgIDA0OjAwLjAgU3lzdGVtIHBlcmlwaGVyYWw6IEludGVsIENvcnBvcmF0aW9uIEpI TDYzNDAgVGh1bmRlcmJvbHQgMyBOSEkKPiAoQyBzdGVwKSBbQWxwaW5lIFJpZGdlIDJDIDIwMTZd IChyZXYgMDIpCj4gCj4g4oCiICAgM2I6MDAuMCBEaXNwbGF5IGNvbnRyb2xsZXI6IEFkdmFuY2Vk IE1pY3JvIERldmljZXMsIEluYy4gW0FNRC9BVEldIExleGEKPiBYVCBbUmFkZW9uIFBSTyBXWCAz MTAwXQo+IAo+IHRha2VzIGZyb20gMjcwIG1zIHRvIDIuNSBzLgo+IAo+ID4gMTE6NDM6MjEuNzE0 MzkxIG9wZW5hdChBVF9GRENXRCwgIi9zeXMvYnVzL3BjaS9kZXZpY2VzLzAwMDA6MDQ6MDAuMC9j b25maWciLCBPX1JET05MWSkgPSAzCj4gPiAxMTo0MzoyMS43MTQ0NDggcHJlYWQ2NCgzLCAiXDIw NlwyMDBcMzMxXDI1XDZcNFwyMFwwXDJcMFwyMDBcMTAgXDBcMFwwXDBcMFwwXDM1MlwwXDBcNFwz NTJcMFwwXDBcMFwwXDBcMFwwXDBcMFwwXDBcMFwwXDBcMFwwXDBcMFwwKFwyMFwyNzJcMTBcMFww XDBcMFwKPiA+IDIwMFwwXDBcMFwwXDBcMFwwXDM3N1wxXDBcMCIsIDY0LCAwKSA9IDY0Cj4gPiAx MTo0MzoyNC40ODc4MTggY2xvc2UoMykgICAgICAgICAgICAgICAgPSAwCj4gCj4gPiAxMTo0Mzoy NC40ODk1MDggb3BlbmF0KEFUX0ZEQ1dELCAiL3N5cy9idXMvcGNpL2RldmljZXMvMDAwMDowMDox ZC4wL2NvbmZpZyIsIE9fUkRPTkxZKSA9IDMKPiA+IDExOjQzOjI0LjQ4OTU5OCBwcmVhZDY0KDMs ICJcMjA2XDIwMFwyNjBcMjM1XDdcNFwyMFwwXDM2MFwwXDRcNlwyMFwwXDIwMVwwXDBcMFwwXDBc MFwwXDBcMFwwOztcMDAwMDBcMCAgXDM1NCBcMzU0XDFcMzAwXDIxXDMyMFwwXDBcMFwwXDBcMFww XDBcMFwwXDBcMAo+ID4gQFwwXDBcMFwwXDBcMFwwXDM3N1wxXDIyXDAiLCA2NCwgMCkgPSA2NAo+ ID4gMTE6NDM6MjQuOTY2NjYxIGNsb3NlKDMpICAgICAgICAgICAgICAgID0gMAo+IAo+ID4gMTE6 NDM6MjQuOTg4NTQ0IG9wZW5hdChBVF9GRENXRCwgIi9zeXMvYnVzL3BjaS9kZXZpY2VzLzAwMDA6 M2I6MDAuMC9jb25maWciLCBPX1JET05MWSkgPSAzCj4gPiAxMTo0MzoyNC45ODg1ODQgcHJlYWQ2 NCgzLCAiXDJcMjBcMjA1aVw3XDRcMjBcMFwwXDBcMjAwXDNcMjBcMFwwXDBcZlwwXDBcMzAwXDBc MFwwXDBcZlwwXDBcMzIwXDBcMFwwXDBcMDAxMFwwXDBcMFwwIFwzNTRcMFwwXDBcMChcMjBcMjcy XDEwXDBcMCRcMzU0SFwwXDBcMFwwXDBcMFwwXDM3N1wxXDBcMCIsIDY0LCAwKSA9IDY0Cj4gPiAx MTo0MzoyNS4yNTI3NDUgY2xvc2UoMykKPiAKPiBVbmZvcnR1bmF0ZWx5LCBJIGZvcmdvdCB0byBj b2xsZWN0IHRoZSB0cmVlIG91dHB1dCwgYnV0IGhvcGVmdWxseSB0aGUKPiBhdHRhY2hlZCBMaW51 eCBtZXNzYWdlcyBhbmQgc3RyYWNlIG9mIGxzcGNpIG91dHB1dCB3aWxsIGJlIGVub3VnaCBmb3Ig dGhlCj4gc3RhcnQuCj4gCj4gUGxlYXNlIHRlbGwgbWUsIGlmIHlvdSB3YW50IG1lIHRvIGNyZWF0 ZSBhIGJ1ZyByZXBvcnQgaW4gdGhlIExpbnV4IGJ1Zwo+IHRyYWNrZXIuCgpDYW4geW91IHRyeSB0 aGlzIGNvbW1pdD8KCiAgaHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5l bC9naXQvaGVsZ2Fhcy9wY2kuZ2l0L2NvbW1pdC8/aD1wY2kvcG0maWQ9ZWM0MTFlMDJiN2EyZTc4 NWE0ZWQ5ZWQyODMyMDdjZDE0ZjQ4Njk5ZAoKSXQgc2hvdWxkIGJlIGluIHRoZSBtYWlubGluZSBh bHJlYWR5IGFzIHdlbGwuCgpOb3RlIHdlIHN0aWxsIG5lZWQgdG8gb2JleSB0aGUgZGVsYXlzIHJl cXVpcmVkIGJ5IHRoZSBQQ0llIHNwZWMgc28gMTAwbXMKYWZ0ZXIgdGhlIGxpbmsgaXMgdHJhaW5l ZCBidXQgdGhpcyBvbmUgc2hvdWxkIGF0IGxlYXN0IGdldCBpdCBkb3duIGZyb20KMTEwMG1zLgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1h aWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK