| Message ID | 20260415090507.819848-1-joaomarcos.costa@bootlin.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [meta-oe] libhugetlbfs: add RISC-V to COMPATIBLE_HOSTS | expand |
On Wed, Apr 15, 2026 at 2:05 AM João Marcos Costa < joaomarcos.costa@bootlin.com> wrote: > A preliminar effort to support RISC-V was added in v2.23: > > a529598 Introduce basic riscv64 support [1] > > Following the guidelines in libhugetlbfs's HOWTO, here are the outputs > of some commands in qemuriscv64: > > root@qemuriscv64:~# grep -i huge /proc/filesystems > nodev hugetlbfs > root@qemuriscv64:~# hugeadm --pool-list > Size Minimum Current Maximum Default > 65536 0 0 0 > 2097152 0 0 0 * > root@qemuriscv64:~# hugeadm --pool-pages-min 2MB:10 --add-temp-swap > root@qemuriscv64:~# hugeadm --pool-list > Size Minimum Current Maximum Default > 65536 0 0 0 > 2097152 10 10 10 * > root@qemuriscv64:~# hugeadm --pool-pages-min 2MB:-5 > root@qemuriscv64:~# hugeadm --pool-list > Size Minimum Current Maximum Default > 65536 0 0 0 > 2097152 5 5 10 * > > Regarding toolchains, libhugetlbfs for RISC-V builds fine with both > clang and gcc. > > [1]: > https://github.com/libhugetlbfs/libhugetlbfs/commit/a529598dd256c79799d5e43e6d79146ca15f1c16 > > Neat. now memcached and vm in kernel-selftest can be enabled for RV64, can you check? > Signed-off-by: João Marcos Costa <joaomarcos.costa@bootlin.com> > --- > meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb > b/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb > index 89ce11f6e4..dd2fbbc7cd 100644 > --- a/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb > +++ b/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb > @@ -31,7 +31,7 @@ SRC_URI = " \ > UPSTREAM_CHECK_GITTAGREGEX = "(?P<pver>\d+(\.\d+)+)" > > > -COMPATIBLE_HOST = "(i.86|x86_64|powerpc|powerpc64|aarch64|arm).*-linux*" > +COMPATIBLE_HOST = > "(i.86|x86_64|powerpc|powerpc64|riscv64|aarch64|arm).*-linux*" > > LIBARGS = "LIB32=${baselib} LIB64=${baselib}" > LIBHUGETLBFS_ARCH = "${TARGET_ARCH}" > -- > 2.47.0 > >
Hello, Khem On 4/15/26 17:01, Khem Raj wrote: > > > On Wed, Apr 15, 2026 at 2:05 AM João Marcos Costa > <joaomarcos.costa@bootlin.com <mailto:joaomarcos.costa@bootlin.com>> wrote: > > A preliminar effort to support RISC-V was added in v2.23: > > a529598 Introduce basic riscv64 support [1] > > Following the guidelines in libhugetlbfs's HOWTO, here are the outputs > of some commands in qemuriscv64: > > root@qemuriscv64:~# grep -i huge /proc/filesystems > nodev hugetlbfs > root@qemuriscv64:~# hugeadm --pool-list > Size Minimum Current Maximum Default > 65536 0 0 0 > 2097152 0 0 0 * > root@qemuriscv64:~# hugeadm --pool-pages-min 2MB:10 --add-temp-swap > root@qemuriscv64:~# hugeadm --pool-list > Size Minimum Current Maximum Default > 65536 0 0 0 > 2097152 10 10 10 * > root@qemuriscv64:~# hugeadm --pool-pages-min 2MB:-5 > root@qemuriscv64:~# hugeadm --pool-list > Size Minimum Current Maximum Default > 65536 0 0 0 > 2097152 5 5 10 * > > Regarding toolchains, libhugetlbfs for RISC-V builds fine with both > clang and gcc. > > [1]: > https://github.com/libhugetlbfs/libhugetlbfs/commit/a529598dd256c79799d5e43e6d79146ca15f1c16 <https://github.com/libhugetlbfs/libhugetlbfs/commit/a529598dd256c79799d5e43e6d79146ca15f1c16> > > > Neat. now memcached and vm in kernel-selftest can be enabled for RV64, > can you check? Sure, I'm on it.
diff --git a/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb b/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb index 89ce11f6e4..dd2fbbc7cd 100644 --- a/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb +++ b/meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb @@ -31,7 +31,7 @@ SRC_URI = " \ UPSTREAM_CHECK_GITTAGREGEX = "(?P<pver>\d+(\.\d+)+)" -COMPATIBLE_HOST = "(i.86|x86_64|powerpc|powerpc64|aarch64|arm).*-linux*" +COMPATIBLE_HOST = "(i.86|x86_64|powerpc|powerpc64|riscv64|aarch64|arm).*-linux*" LIBARGS = "LIB32=${baselib} LIB64=${baselib}" LIBHUGETLBFS_ARCH = "${TARGET_ARCH}"
A preliminar effort to support RISC-V was added in v2.23: a529598 Introduce basic riscv64 support [1] Following the guidelines in libhugetlbfs's HOWTO, here are the outputs of some commands in qemuriscv64: root@qemuriscv64:~# grep -i huge /proc/filesystems nodev hugetlbfs root@qemuriscv64:~# hugeadm --pool-list Size Minimum Current Maximum Default 65536 0 0 0 2097152 0 0 0 * root@qemuriscv64:~# hugeadm --pool-pages-min 2MB:10 --add-temp-swap root@qemuriscv64:~# hugeadm --pool-list Size Minimum Current Maximum Default 65536 0 0 0 2097152 10 10 10 * root@qemuriscv64:~# hugeadm --pool-pages-min 2MB:-5 root@qemuriscv64:~# hugeadm --pool-list Size Minimum Current Maximum Default 65536 0 0 0 2097152 5 5 10 * Regarding toolchains, libhugetlbfs for RISC-V builds fine with both clang and gcc. [1]: https://github.com/libhugetlbfs/libhugetlbfs/commit/a529598dd256c79799d5e43e6d79146ca15f1c16 Signed-off-by: João Marcos Costa <joaomarcos.costa@bootlin.com> --- meta-oe/recipes-benchmark/libhugetlbfs/libhugetlbfs_2.24.bb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)