On 02/06/19 16:46, Ard Biesheuvel wrote: > On Wed, 6 Feb 2019 at 12:11, Laszlo Ersek <ler...@redhat.com> wrote: >> >> Repo: https://github.com/lersek/edk2.git >> Branch: armvirt_pcd_clean >> >> (1) The procedure described below depends on: >> >> [edk2] [PATCH] >> BaseTools/BuildReport: fix report for platforms/arches without struct >> PCDs >> >> 20190205112213.682-1-lersek@redhat.com">http://mid.mail-archive.com/20190205112213.682-1-lersek@redhat.com >> https://lists.01.org/pipermail/edk2-devel/2019-February/036320.html >> >> (2) Background: while working on the fix in (1), I noticed that the PCD >> sections in the build reports of various ArmVirt platforms contained >> "PCDs not used by modules or in conditional directives". I thought >> that we should attempt to clean those up. Subsequently I built the >> following 36 ArmVirt platforms: >> >>> extra_opts=("" "-D HTTP_BOOT_ENABLE -D NETWORK_IP6_ENABLE -D >>> SECURE_BOOT_ENABLE -D TTY_TERMINAL") >>> for arch in ARM AARCH64; do >>> for platform in Qemu QemuKernel Xen; do >>> for target in NOOPT DEBUG RELEASE; do >>> for extra in 0 1; do >>> GCC5_ARM_PREFIX=arm-linux-gnu- \ >>> GCC5_AARCH64_PREFIX=aarch64-linux-gnu- \ >>> build \ >>> -a $arch \ >>> -p ArmVirtPkg/ArmVirt${platform}.dsc \ >>> -t GCC5 \ >>> -b $target \ >>> -n $(getconf _NPROCESSORS_ONLN) \ >>> --report-file=$HOME/tmp/report.$arch.$platform.$target.$extra.txt >>> \ >>> --report-type=PCD \ >>> --cmd-len=65536 \ >>> ${extra_opts[$extra]} >>> done >>> done >>> done >>> done >> >> Then I gradually eliminated the redundant PCD settings. >> >> (3) At the bottom of this email (i.e., the series cover letter), I'm >> including a base64-encoded tarball of report files, saved (like >> described in (2)) before and after the series. Diffing the reports >> proves that the series cleans up the PCD settings without any >> changes observable to modules. >> >> (4) The series advances in small steps. The reason is that some of the >> facts exposed could be surprising (I know I was surprised), and we >> could decide that we want to do something else (e.g. file a BZ, and >> fill the gap later). For such cases I wanted to be able to drop >> individual patches at will. >> >> Cc: Ard Biesheuvel <ard.biesheu...@linaro.org> >> Cc: Julien Grall <julien.gr...@linaro.org> >> >> Thanks, >> Laszlo >> >> Laszlo Ersek (14): >> ArmVirtPkg/ArmVirtQemuKernel: don't set PcdCPUCoresStackBase >> ArmVirtPkg: don't set PcdRelocateVectorTable >> ArmVirtPkg/{ArmVirtQemu,ArmVirtQemuKernel}: don't set >> PcdTrustzoneSupport >> ArmVirtPkg: don't set PcdPostCodePropertyMask >> ArmVirtPkg: clean up PcdSetNxForStack setting (applies to ArmVirtQemu >> only) >> ArmVirtPkg/PrePi: drop wrong PcdCoreCount dependency >> ArmVirtPkg: don't set PcdCoreCount >> ArmVirtPkg: don't set PcdDebugClearMemoryValue >> ArmVirtPkg: don't set PcdDebugPrintErrorLevel in RELEASE builds >> ArmVirtPkg/ArmVirtXen: don't set PcdPL031RtcBase >> ArmVirtPkg/ArmVirtXen: don't set PcdTerminalTypeGuidBuffer >> ArmVirtPkg/ArmVirtXen: don't set PcdShellFile >> ArmVirtPkg/ArmVirtXen: don't set PcdTurnOffUsbLegacySupport >> ArmVirtPkg/ArmVirtXen: don't set Pcd*ImageVerificationPolicy >> > > For the series > > Reviewed-by: Ard Biesheuvel <ard.biesheu...@linaro.org> > > Thanks Laszlo >
Awesome, thank you! :) Julien, can you please fetch the series and run some light regression-tests on Xen? Again, no functionality change is intended or expected. Thanks! Laszlo _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel