[PATCH v2 10/19] sparc/vdso: Remove vdso pointer from mm->context

Dmitry Safonov
2020-11-24T00:30:00Z

Not used any more.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: Dmitry Safonov <dima@arista.com>
---
arch/sparc/include/asm/mmu_64.h | 1 -
arch/sparc/vdso/vma.c | 5 +----
2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h
index 7e2704c770e9..8e7892890d14 100644
--- a/arch/sparc/include/asm/mmu_64.h
+++ b/arch/sparc/include/asm/mmu_64.h
@@ -111,7 +111,6 @@ typedef struct {
unsigned long thp_pte_count;
struct tsb_config tsb_block[MM_NUM_TSBS];
struct hv_tsb_descr tsb_descr[MM_NUM_TSBS];
- void *vdso;
bool adi;
tag_storage_desc_t *tag_store;
spinlock_t tag_lock;
diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c
index bf9195fe9bcc..255e052223ca 100644
--- a/arch/sparc/vdso/vma.c
+++ b/arch/sparc/vdso/vma.c
@@ -389,7 +389,6 @@ static int map_vdso(const struct vdso_image *image,
}

text_start = addr - image->sym_vvar_start;
- current->mm->context.vdso = (void __user *)text_start;

/*
* MAYWRITE to allow gdb to COW and set breakpoints
@@ -418,9 +417,7 @@ static int map_vdso(const struct vdso_image *image,
}

up_fail:
- if (ret)
- current->mm->context.vdso = NULL;
- else
+ if (!ret)
*sysinfo_ehdr = text_start;

mmap_write_unlock(mm);
--
2.29.2