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Wed, 19 Aug 2020 12:47:12 -0400 (EDT) Date: Wed, 19 Aug 2020 18:47:35 +0200 From: Greg KH To: Valdis =?utf-8?Q?Kl=C4=93tnieks?= Subject: Re: Scheduler benchmarks Message-ID: <20200819164735.GA3698439@kroah.com> References: <20200818143633.GA628293@kroah.com> <20200818171457.GA736234@kroah.com> <20200818173656.GA748290@kroah.com> <84362b8b-971f-fb89-115d-41d2457c24fd@sony.com> <20200819104254.GA41946@kroah.com> <135393.1597855432@turing-police> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <135393.1597855432@turing-police> Cc: linux-perf-users@vger.kernel.org, Muni Sekhar , linux-kernel@vger.kernel.org, peter enderborg , kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernelnewbies-bounces@kernelnewbies.org T24gV2VkLCBBdWcgMTksIDIwMjAgYXQgMTI6NDM6NTJQTSAtMDQwMCwgVmFsZGlzIEtsxJN0bmll a3Mgd3JvdGU6Cj4gT24gV2VkLCAxOSBBdWcgMjAyMCAxMjo0Mjo1NCArMDIwMCwgR3JlZyBLSCBz YWlkOgo+ID4gTG9vayB1cCBTcGVjdHJlIGFuZCBNZWx0ZG93biBmb3IgbWFueSBtYW55IGV4YW1w bGVzIG9mIHdoYXQgaGFwcGVuZWQgYW5kCj4gPiB3aGF0IHdlbnQgd3Jvbmcgd2l0aCBjaGlwIGRl c2lnbnMgYW5kIGhvdyB3ZSBoYWQgdG8gZml4IHRoZXNlIHRoaW5ncyBpbgo+ID4gdGhlIGtlcm5l bCBhIGZldyB5ZWFycyBhZ28uCj4gCj4gQW5kIEknbSBzdXJlIHRoYXQgbm9ib2R5IHNhbmUgdGhp bmtzIHdlJ3JlIGRvbmUgd2l0aCBzZWN1cml0eSBob2xlcwo+IGNhdXNlZCBieSBzcGVjdWxhdGl2 ZSBleGVjdXRpb24uLi4gOikKCkhhaCwgbm90IGF0IGFsbCwgdGhlIHBhdGNoZXMga2VlcCBmbG93 aW5nIGluLCBhcyBkbyB0aGUgbWljcm9jb2RlCnVwZGF0ZXMuLi4KCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCktlcm5lbG5ld2JpZXMgbWFpbGluZyBsaXN0 Cktlcm5lbG5ld2JpZXNAa2VybmVsbmV3Ymllcy5vcmcKaHR0cHM6Ly9saXN0cy5rZXJuZWxuZXdi aWVzLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2tlcm5lbG5ld2JpZXMK From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: Scheduler benchmarks Date: Wed, 19 Aug 2020 18:47:35 +0200 Message-ID: <20200819164735.GA3698439@kroah.com> References: <20200818143633.GA628293@kroah.com> <20200818171457.GA736234@kroah.com> <20200818173656.GA748290@kroah.com> <84362b8b-971f-fb89-115d-41d2457c24fd@sony.com> <20200819104254.GA41946@kroah.com> <135393.1597855432@turing-police> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <135393.1597855432@turing-police> Sender: linux-kernel-owner@vger.kernel.org To: Valdis =?utf-8?Q?Kl=C4=93tnieks?= Cc: Muni Sekhar , peter enderborg , kernelnewbies , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org List-Id: linux-perf-users.vger.kernel.org On Wed, Aug 19, 2020 at 12:43:52PM -0400, Valdis Klētnieks wrote: > On Wed, 19 Aug 2020 12:42:54 +0200, Greg KH said: > > Look up Spectre and Meltdown for many many examples of what happened and > > what went wrong with chip designs and how we had to fix these things in > > the kernel a few years ago. > > And I'm sure that nobody sane thinks we're done with security holes > caused by speculative execution... :) Hah, not at all, the patches keep flowing in, as do the microcode updates...