Buildresult: powerpc-fixes/powernv_defconfig+STRICT_RWX/powerpc-gcc13 built on Oct 28 2023, 03:41

kisskb

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Status:	OK
Date/Time:	Oct 28 2023, 03:41
Duration:	0:06:56.494023
Builder:	blade4b
Revision:	powerpc/mm: Avoid calling arch_enter/leave_lazy_mmu() in set_ptes (`47b8def9358c5eb888e78b24b7e5b7f2e2e97b8e)`
Target:	powerpc-fixes/powernv_defconfig+STRICT_RWX/powerpc-gcc13
Branch:	powerpc-fixes
Compiler:	powerpc-gcc13 (powerpc64-linux-gcc (GCC) 13.1.0 / GNU ld (GNU Binutils) 2.40)
Config:	powernv_defconfig+STRICT_RWX (download)
Log:	Download original Possible warnings (1) .config:4344:warning: override: reassigning to symbol RELOCATABLE Full Log # git rev-parse -q --verify 47b8def9358c5eb888e78b24b7e5b7f2e2e97b8e^{commit} 47b8def9358c5eb888e78b24b7e5b7f2e2e97b8e already have revision, skipping fetch # git checkout -q -f -B kisskb 47b8def9358c5eb888e78b24b7e5b7f2e2e97b8e # git clean -qxdf # < git log -1 # commit 47b8def9358c5eb888e78b24b7e5b7f2e2e97b8e # Author: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Date: Tue Oct 24 20:06:04 2023 +0530 # # powerpc/mm: Avoid calling arch_enter/leave_lazy_mmu() in set_ptes # # With commit 9fee28baa601 ("powerpc: implement the new page table range # API") we added set_ptes to powerpc architecture. The implementation # included calling arch_enter/leave_lazy_mmu() calls. # # The patch removes the usage of arch_enter/leave_lazy_mmu() because # set_pte is not supposed to be used when updating a pte entry. Powerpc # architecture uses this rule to skip the expensive tlb invalidate which # is not needed when you are setting up the pte for the first time. See # commit 56eecdb912b5 ("mm: Use ptep/pmdp_set_numa() for updating # _PAGE_NUMA bit") for more details # # The patch also makes sure we are not using the interface to update a # valid/present pte entry by adding VM_WARN_ON check all the ptes we # are setting up. Furthermore, we add a comment to set_pte_filter to # clarify it can only update folio-related flags and cannot filter # pfn specific details in pte filtering. # # Removal of arch_enter/leave_lazy_mmu() also will avoid nesting of # these functions that are not supported. For ex: # # remap_pte_range() # -> arch_enter_lazy_mmu() # -> set_ptes() # -> arch_enter_lazy_mmu() # -> arch_leave_lazy_mmu() # -> arch_leave_lazy_mmu() # # Fixes: 9fee28baa601 ("powerpc: implement the new page table range API") # Signed-off-by: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://msgid.link/20231024143604.16749-1-aneesh.kumar@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 47b8def9358c5eb888e78b24b7e5b7f2e2e97b8e # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_powernv_defconfig+STRICT_RWX_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- powernv_defconfig # Added to kconfig CONFIG_RELOCATABLE=n # Added to kconfig CONFIG_STRICT_KERNEL_RWX=y # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_powernv_defconfig+STRICT_RWX_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_powernv_defconfig+STRICT_RWX_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4344:warning: override: reassigning to symbol RELOCATABLE # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_powernv_defconfig+STRICT_RWX_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- Completed OK # rm -rf /kisskb/build/powerpc-fixes_powernv_defconfig+STRICT_RWX_powerpc-gcc13 # Build took: 0:06:56.494023

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