Hi, On Mon, Jun 23, 2025 at 8:32 PM Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > Regressions on riscv defconfig builds with gcc-13 and clang failed > on the Linux next-20250623 tag. > > Regressions found on riscv > * riscv, build > - clang-20-defconfig > - gcc-13-defconfig > - rustclang-nightly-lkftconfig-kselftest > - rustgcc-lkftconfig-kselftest > - rv32-clang-20-defconfig > > Regression Analysis: > - New regression? Yes > - Reproducibility? Yes > > Build regression: riscv defconfig raid6 recov_rvv.c use of undeclared > identifier 'raid6_empty_zero_page' > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > ## Build log > lib/raid6/recov_rvv.c:168:24: error: use of undeclared identifier > 'raid6_empty_zero_page' > 168 | ptrs[faila] = (void *)raid6_empty_zero_page; > | ^ > /lib/raid6/recov_rvv.c:171:24: error: use of undeclared identifier > 'raid6_empty_zero_page' > 171 | ptrs[failb] = (void *)raid6_empty_zero_page; > | ^ > /lib/raid6/recov_rvv.c:206:24: error: use of undeclared identifier > 'raid6_empty_zero_page' > 206 | ptrs[faila] = (void *)raid6_empty_zero_page; > | ^ > 3 errors generated. > > ## Source > * Kernel version: 6.16.0-rc3-next-20250623 > * Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git > * Git sha: f817b6dd2b62d921a6cdc0a3ac599cd1851f343c > * Git describe: next-20250623 > * Project details: > https://regressions.linaro.org/lkft/linux-next-master/next-20250623/ > * Architectures: riscv > * Toolchains: gcc-13 > * Kconfigs: defconfig > > ## Build arm64 > * Build log: https://qa-reports.linaro.org/api/testruns/28829977/log_file/ > * Build details: > https://regressions.linaro.org/lkft/linux-next-master/next-20250623/build/gcc-13-defconfig/ > * Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2ytmqfZ6v24dxq5kjorJbgH6hC8/ > * Kernel config: > https://storage.tuxsuite.com/public/linaro/lkft/builds/2ytmqfZ6v24dxq5kjorJbgH6hC8/config > > -- > Linaro LKFT > https://lkft.linaro.org The following diff fixes the issue and to me should be squashed into commit 44add101db9e5 ("lib/raid6: replace custom zero page with ZERO_PAGE") so adding Herbert as cc: diff --git a/lib/raid6/recov_rvv.c b/lib/raid6/recov_rvv.c index f29303795ccfe..5d54c4b437df7 100644 --- a/lib/raid6/recov_rvv.c +++ b/lib/raid6/recov_rvv.c @@ -165,10 +165,10 @@ static void raid6_2data_recov_rvv(int disks, size_t bytes, int faila, * delta p and delta q */ dp = (u8 *)ptrs[faila]; - ptrs[faila] = (void *)raid6_empty_zero_page; + ptrs[faila] = raid6_get_zero_page(); ptrs[disks - 2] = dp; dq = (u8 *)ptrs[failb]; - ptrs[failb] = (void *)raid6_empty_zero_page; + ptrs[failb] = raid6_get_zero_page(); ptrs[disks - 1] = dq; raid6_call.gen_syndrome(disks, bytes, ptrs); @@ -203,7 +203,7 @@ static void raid6_datap_recov_rvv(int disks, size_t bytes, int faila, * Use the dead data page as temporary storage for delta q */ dq = (u8 *)ptrs[faila]; - ptrs[faila] = (void *)raid6_empty_zero_page; + ptrs[faila] = raid6_get_zero_page(); ptrs[disks - 1] = dq; raid6_call.gen_syndrome(disks, bytes, ptrs); Thanks, Alex