Shenglei: The change is good. I agree to add comments for this change purpose like BZ https://bugzilla.tianocore.org/show_bug.cgi?id=607
With this change, Reviewed-by: Liming Gao <liming....@intel.com>. Thanks Liming > -----Original Message----- > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of Laszlo > Ersek > Sent: Thursday, August 15, 2019 1:12 AM > To: devel@edk2.groups.io; Zhang, Shenglei <shenglei.zh...@intel.com> > Cc: Bi, Dandan <dandan...@intel.com>; Gao, Liming <liming....@intel.com>; Wu, > Hao A <hao.a...@intel.com> > Subject: Re: [edk2-devel] [PATCH 1/1] MdeModulePkg/DxeIplPeim: Initialize > pointer PageMapLevel5Entry > > On 08/14/19 09:37, Zhang, Shenglei wrote: > > Initialize PageMapLevel5Entry at the beginning of the function. > > > > This commit will fix a GCC 4.8.5 build failure introduced by commit > > b3527dedc3951f061c5a73cb4fb2b0f95f47e08b. > > > > OvmfPkg build failure wtih gcc 4.8.5 still exists at latest edk2 version. > > The commit 46f8a6891606746ca8b1e684ac379ce271306dc0 seems not to fix > > the build failure completely. > > > > Cc: Dandan Bi <dandan...@intel.com> > > Cc: Liming Gao <liming....@intel.com> > > Cc: Hao A Wu <hao.a...@intel.com> > > Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com> > > --- > > MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.c > > b/MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.c > > index 2389f3eb485b..aae80536ac3d 100644 > > --- a/MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.c > > +++ b/MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.c > > @@ -652,6 +652,8 @@ CreateIdentityMappingPageTables ( > > UINT64 AddressEncMask; > > IA32_CR4 Cr4; > > > > + PageMapLevel5Entry = NULL; > > + > > // > > // Make sure AddressEncMask is contained to smallest supported address > > field > > // > > > > If you are convinced that we need this assignment *only* for suppressing > an invalid compiler warning, then please add a comment about it: > > // > // set PageMapLevel5Entry to suppress incorrect compiler/analyzer > // warnings > // > > Related documentation BZ: > > https://bugzilla.tianocore.org/show_bug.cgi?id=607 > > ... Just a suggestion from my side; I defer to the MdeModulePkg maintainers. > > Thanks > Laszlo > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#45640): https://edk2.groups.io/g/devel/message/45640 Mute This Topic: https://groups.io/mt/32861558/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-