Commit 0f0a691f authored by David S. Miller's avatar David S. Miller

sparc64: Remvoe set_fs() from perf_callchain_user().

Ever since commit 88b0193d ("perf/callchain: Force USER_DS when
invoking perf_callchain_user()") the caller does this for us.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4b427452
......@@ -1849,16 +1849,12 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs
{
u64 saved_fault_address = current_thread_info()->fault_address;
u8 saved_fault_code = get_thread_fault_code();
mm_segment_t old_fs;
perf_callchain_store(entry, regs->tpc);
if (!current->mm)
return;
old_fs = get_fs();
set_fs(USER_DS);
flushw_user();
pagefault_disable();
......@@ -1870,7 +1866,6 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs
pagefault_enable();
set_fs(old_fs);
set_thread_fault_code(saved_fault_code);
current_thread_info()->fault_address = saved_fault_address;
}
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