From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/arch/parisc/include/asm/futex.h | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/kernel/arch/parisc/include/asm/futex.h b/kernel/arch/parisc/include/asm/futex.h
index cf7ba05..71aa092 100644
--- a/kernel/arch/parisc/include/asm/futex.h
+++ b/kernel/arch/parisc/include/asm/futex.h
@@ -16,7 +16,7 @@
_futex_spin_lock_irqsave(u32 __user *uaddr, unsigned long int *flags)
{
extern u32 lws_lock_start[];
- long index = ((long)uaddr & 0xf0) >> 2;
+ long index = ((long)uaddr & 0x7f8) >> 1;
arch_spinlock_t *s = (arch_spinlock_t *)&lws_lock_start[index];
local_irq_save(*flags);
arch_spin_lock(s);
@@ -26,7 +26,7 @@
_futex_spin_unlock_irqrestore(u32 __user *uaddr, unsigned long int *flags)
{
extern u32 lws_lock_start[];
- long index = ((long)uaddr & 0xf0) >> 2;
+ long index = ((long)uaddr & 0x7f8) >> 1;
arch_spinlock_t *s = (arch_spinlock_t *)&lws_lock_start[index];
arch_spin_unlock(s);
local_irq_restore(*flags);
@@ -40,7 +40,6 @@
u32 tmp;
_futex_spin_lock_irqsave(uaddr, &flags);
- pagefault_disable();
ret = -EFAULT;
if (unlikely(get_user(oldval, uaddr) != 0))
@@ -73,7 +72,6 @@
ret = -EFAULT;
out_pagefault_enable:
- pagefault_enable();
_futex_spin_unlock_irqrestore(uaddr, &flags);
if (!ret)
@@ -95,7 +93,7 @@
if (uaccess_kernel() && !uaddr)
return -EFAULT;
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+ if (!access_ok(uaddr, sizeof(u32)))
return -EFAULT;
/* HPPA has no cmpxchg in hardware and therefore the
--
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