From: Tong Tiangen <tongtiangen@huawei.com> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmerdabbelt@google.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, <abdulras@google.com> Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH -next v3 0/3] riscv: Fix two vdso issue Date: Wed, 1 Sep 2021 02:46:18 +0000 [thread overview] Message-ID: <20210901024621.2528797-1-tongtiangen@huawei.com> (raw) v3->v2: Adapt to the latest code. v2->v1: Add patch "Refactor asm/vdso.h" to avoid vdso.lds syntax error if CONFIG_GENERIC_TIME_VSYSCALL=n. 1) Move vdso data page up front and introduce enum vvar_pages, This makes it easier to introduce new feature TIME_NS. 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 (3): riscv/vdso: Refactor asm/vdso.h 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 | 1 + arch/riscv/include/asm/vdso.h | 15 ++++----- arch/riscv/kernel/syscall_table.c | 1 - arch/riscv/kernel/vdso.c | 53 +++++++++++++++++++------------ arch/riscv/kernel/vdso/vdso.lds.S | 3 +- 5 files changed, 42 insertions(+), 31 deletions(-) -- 2.18.0.huawei.25
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From: Tong Tiangen <tongtiangen@huawei.com> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmerdabbelt@google.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, <abdulras@google.com> Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH -next v3 0/3] riscv: Fix two vdso issue Date: Wed, 1 Sep 2021 02:46:18 +0000 [thread overview] Message-ID: <20210901024621.2528797-1-tongtiangen@huawei.com> (raw) v3->v2: Adapt to the latest code. v2->v1: Add patch "Refactor asm/vdso.h" to avoid vdso.lds syntax error if CONFIG_GENERIC_TIME_VSYSCALL=n. 1) Move vdso data page up front and introduce enum vvar_pages, This makes it easier to introduce new feature TIME_NS. 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 (3): riscv/vdso: Refactor asm/vdso.h 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 | 1 + arch/riscv/include/asm/vdso.h | 15 ++++----- arch/riscv/kernel/syscall_table.c | 1 - arch/riscv/kernel/vdso.c | 53 +++++++++++++++++++------------ arch/riscv/kernel/vdso/vdso.lds.S | 3 +- 5 files changed, 42 insertions(+), 31 deletions(-) -- 2.18.0.huawei.25 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next reply other threads:[~2021-09-01 2:37 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-01 2:46 Tong Tiangen [this message] 2021-09-01 2:46 ` [PATCH -next v3 0/3] riscv: Fix two vdso issue Tong Tiangen 2021-09-01 2:46 ` [PATCH -next v3 1/3] riscv/vdso: Refactor asm/vdso.h Tong Tiangen 2021-09-01 2:46 ` Tong Tiangen 2021-09-01 2:46 ` [PATCH -next v3 2/3] riscv/vdso: Move vdso data page up front Tong Tiangen 2021-09-01 2:46 ` Tong Tiangen 2021-09-01 2:46 ` [PATCH -next v3 3/3] riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable Tong Tiangen 2021-09-01 2:46 ` Tong Tiangen 2021-09-28 2:19 ` [PATCH -next v3 0/3] riscv: Fix two vdso issue Liu Shixin 2021-09-28 2:19 ` Liu Shixin 2021-09-28 2:30 ` tongtiangen 2021-09-28 2:30 ` tongtiangen 2021-09-29 10:12 ` Kefeng Wang 2021-09-29 10:12 ` Kefeng Wang 2021-10-02 20:24 ` Palmer Dabbelt 2021-10-02 20:24 ` Palmer Dabbelt
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