| Message ID | 20210819030650.716478-1-tongtiangen@huawei.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | riscv: Fix two vdso issue | expand |
On 2021/8/19 11:06, Tong Tiangen wrote: > 1) Move vdso data page up front and introduce enum vvar_pages, To pave the way > for the subsequent support of TIME_NS, the support of TIME_NS will be issued > in the later patch. > > 2) In arch_setup_additional_pages(), make Wait for the lock in the killable mode > and return with EINTR if the task got killed while waiting. For series, Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> > > Tong Tiangen (2): > riscv/vdso: Move vdso data page up front > riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for > write killable > > arch/riscv/include/asm/syscall.h | 2 ++ > arch/riscv/include/asm/vdso.h | 4 +-- > arch/riscv/kernel/vdso.c | 51 ++++++++++++++++++------------- > arch/riscv/kernel/vdso/vdso.lds.S | 3 +- > 4 files changed, 36 insertions(+), 24 deletions(-) >
1) Move vdso data page up front and introduce enum vvar_pages, To pave the way for the subsequent support of TIME_NS, the support of TIME_NS will be issued in the later patch. 2) In arch_setup_additional_pages(), make Wait for the lock in the killable mode and return with EINTR if the task got killed while waiting. Tong Tiangen (2): riscv/vdso: Move vdso data page up front riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable arch/riscv/include/asm/syscall.h | 2 ++ arch/riscv/include/asm/vdso.h | 4 +-- arch/riscv/kernel/vdso.c | 51 ++++++++++++++++++------------- arch/riscv/kernel/vdso/vdso.lds.S | 3 +- 4 files changed, 36 insertions(+), 24 deletions(-)