From: Laszlo Ersek <lersek@redhat.com> To: Anthony PERARD <anthony.perard@citrix.com>, devel@edk2.groups.io Cc: xen-devel@lists.xenproject.org, Jordan Justen <jordan.l.justen@intel.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Julien Grall <julien@xen.org> Subject: Re: [PATCH v2 0/7] OvmfXen: Set PcdFSBClock at runtime Date: Thu, 25 Mar 2021 19:22:07 +0100 [thread overview] Message-ID: <21719b4f-0da5-f5f1-bafa-9d2a399bc87d@redhat.com> (raw) In-Reply-To: <20210325154713.670104-1-anthony.perard@citrix.com> On 03/25/21 16:47, Anthony PERARD wrote: > Patch series available in this git branch: > git://xenbits.xen.org/people/aperard/ovmf.git br.apic-timer-freq-v2 I'll get to this sometime in April, possibly after the SEV-SNP series. That shouldn't discourage others from reviewing sooner, of course. Thanks Laszlo > > Changes in v2: > - main change is to allow mapping of Xen pages outside of the RAM > see patch: "OvmfPkg/XenPlatformPei: Map extra physical address" > - that new function allows to map the Xen shared info page (where we can find > information about tsc frequency) at the highest physical address allowed. > > Hi, > > OvmfXen uses the APIC timer, but with an hard-coded frequency that may change > as pointed out here: > https://edk2.groups.io/g/devel/message/45185 > <20190808134423.ybqg3qkpw5ucfzk4@Air-de-Roger> > > This series changes that so the frequency is calculated at runtime. > > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2490 > > There is also one cleanup patch that has nothing to do with the rest. > > Cheers, > > Anthony PERARD (7): > OvmfPkg/XenResetVector: Silent a warning from nasm > MdePkg: Allow PcdFSBClock to by Dynamic > OvmfPkg/IndustryStandard/Xen: Apply EDK2 coding style to > XEN_VCPU_TIME_INFO > OvmfPkg/IndustryStandard: Introduce PageTable.h > OvmfPkg/XenPlatformPei: Map extra physical address > OvmfPkg/XenPlatformPei: Calibrate APIC timer frequency > OvmfPkg/OvmfXen: Set PcdFSBClock > > MdePkg/MdePkg.dec | 8 +- > OvmfPkg/OvmfXen.dsc | 4 +- > OvmfPkg/XenPlatformPei/XenPlatformPei.inf | 4 + > .../IndustryStandard/PageTable.h} | 117 +------- > OvmfPkg/Include/IndustryStandard/Xen/xen.h | 17 +- > .../BaseMemEncryptSevLib/X64/VirtualMemory.h | 143 +--------- > OvmfPkg/XenPlatformPei/Platform.h | 10 + > OvmfPkg/XenPlatformPei/Platform.c | 1 + > OvmfPkg/XenPlatformPei/Xen.c | 252 ++++++++++++++++++ > OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm | 2 +- > 10 files changed, 287 insertions(+), 271 deletions(-) > copy OvmfPkg/{Library/BaseMemEncryptSevLib/X64/VirtualMemory.h => Include/IndustryStandard/PageTable.h} (60%) >
next prev parent reply other threads:[~2021-03-25 18:24 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-25 15:47 Anthony PERARD 2021-03-25 15:47 ` [PATCH v2 1/7] OvmfPkg/XenResetVector: Silent a warning from nasm Anthony PERARD 2021-03-25 15:47 ` [PATCH v2 2/7] MdePkg: Allow PcdFSBClock to by Dynamic Anthony PERARD 2021-03-25 15:47 ` [PATCH v2 3/7] OvmfPkg/IndustryStandard/Xen: Apply EDK2 coding style to XEN_VCPU_TIME_INFO Anthony PERARD 2021-03-25 15:47 ` [PATCH v2 4/7] OvmfPkg/IndustryStandard: Introduce PageTable.h Anthony PERARD 2021-03-26 14:16 ` Tom Lendacky 2021-04-07 8:01 ` [edk2-devel] " Laszlo Ersek 2021-04-07 8:02 ` Laszlo Ersek 2021-04-07 8:04 ` Laszlo Ersek 2021-03-25 15:47 ` [PATCH v2 5/7] OvmfPkg/XenPlatformPei: Map extra physical address Anthony PERARD 2021-04-07 8:06 ` [edk2-devel] " Laszlo Ersek 2021-03-25 15:47 ` [PATCH v2 6/7] OvmfPkg/XenPlatformPei: Calibrate APIC timer frequency Anthony PERARD 2021-04-07 8:28 ` [edk2-devel] " Laszlo Ersek 2021-03-25 15:47 ` [PATCH v2 7/7] OvmfPkg/OvmfXen: Set PcdFSBClock Anthony PERARD 2021-04-07 9:25 ` [edk2-devel] " Laszlo Ersek 2021-03-25 18:22 ` Laszlo Ersek [this message] 2021-04-07 9:32 ` [edk2-devel] [PATCH v2 0/7] OvmfXen: Set PcdFSBClock at runtime Laszlo Ersek
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