[PATCH][2.5] add missing global_flush_tlb() after change_page_attr() calls

[Thomas Schlichter]

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After calling change_page_attr() global_flush_tlb() has to be called to=20
kfree() some structures and make the changed page attributes visible by=20
flushing the relevant TLB entries.

This is not done in some places and this patch should fix it...

   Thomas Schlichter

P.S.: I sent this patch on friday yet, but I think friday is a bad day for=
=20
sending patches... ;-)
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=2D-- linux-2.5.62/arch/i386/mm/ioremap.c.orig	Fri Feb 21 12:26:36 2003
+++ linux-2.5.62/arch/i386/mm/ioremap.c	Fri Feb 21 12:28:44 2003
@@ -205,6 +205,7 @@
 			iounmap(p);=20
 			p =3D NULL;
 		}
+		global_flush_tlb();
 	}=20
=20
 	return p;				=09
@@ -226,6 +227,7 @@
 		change_page_attr(virt_to_page(__va(p->phys_addr)),
 				 p->size >> PAGE_SHIFT,
 				 PAGE_KERNEL); 				=20
+		global_flush_tlb();
 	}=20
 	kfree(p);=20
 }
=2D-- linux-2.5.62/arch/x86_64/mm/ioremap.c.orig	Fri Feb 21 12:25:54 2003
+++ linux-2.5.62/arch/x86_64/mm/ioremap.c	Fri Feb 21 12:27:58 2003
@@ -205,6 +205,7 @@
 			iounmap(p);=20
 			p =3D NULL;
 		}
+		global_flush_tlb();
 	}=20
=20
 	return p;				=09
@@ -226,6 +227,7 @@
 		change_page_attr(virt_to_page(__va(p->phys_addr)),
 				 p->size >> PAGE_SHIFT,
 				 PAGE_KERNEL); 				=20
+		global_flush_tlb();
 	}=20
 	kfree(p);=20
 }
=2D-- linux-2.5.62/arch/x86_64/kernel/pci-gart.c.orig	Fri Feb 21 12:39:40 2=
003
+++ linux-2.5.62/arch/x86_64/kernel/pci-gart.c	Fri Feb 21 12:43:13 2003
@@ -437,6 +437,7 @@
 	}
 	flush_gart();=20
 =09
+	global_flush_tlb();
 	=09
 	printk("PCI-DMA: aperture base @ %x size %u KB\n", aper_base, aper_size>>=
10);=20
 	return 0;

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