From mboxrd@z Thu Jan 1 00:00:00 1970 From: mylene.josserand@bootlin.com (=?UTF-8?B?TXlsw6huZQ==?= Josserand) Date: Wed, 18 Apr 2018 12:01:54 +0200 Subject: [PATCH v6 05/11] ARM: smp: Add initialization of CNTVOFF In-Reply-To: References: <20180416215032.5023-1-mylene.josserand@bootlin.com> <20180416215032.5023-6-mylene.josserand@bootlin.com> Message-ID: <20180418120154.28fe6c4c@dell-desktop.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello Geert, On Wed, 18 Apr 2018 11:30:47 +0200 Geert Uytterhoeven wrote: > Allo Myl?ne, > > On Mon, Apr 16, 2018 at 11:50 PM, Myl?ne Josserand > wrote: > > The CNTVOFF register from arch timer is uninitialized. > > It should be done by the bootloader but it is currently not the case, > > even for boot CPU because this SoC is booting in secure mode. > > It leads to an random offset value meaning that each CPU will have a > > different time, which isn't working very well. > > > > Add assembly code used for boot CPU and secondary CPU cores to make > > sure that the CNTVOFF register is initialized. Because this code can > > be used by different platforms, add this assembly file in ARM's common > > folder. > > Thanks for your patch! > > > Signed-off-by: Myl?ne Josserand > > Reviewed-by: Geert Uytterhoeven > Tested-by: Geert Uytterhoeven > > Gr{oetje,eeting}s, > > Geert > Great, thank you very much for your test! Best regards, -- Myl?ne Josserand, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering http://bootlin.com