From 0f80bc85c587e8fdeecece4f294a47eca4922ea2 Mon Sep 17 00:00:00 2001 From: Jeff Dike Date: Fri, 16 Sep 2005 19:27:50 -0700 Subject: [PATCH] uml: move libc code out of mem_user.c and tempfile.c The serial UML OS-abstraction layer patch (um/kernel dir). This moves all system calls from mem_user.c and tempfile.c files under os-Linux dir. Signed-off-by: Gennady Sharapov Signed-off-by: Jeff Dike Cc: Paolo Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/kernel/tlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/um/kernel/tlb.c') diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 80ed6188e8a2..0a562c3c0fd8 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -307,7 +307,7 @@ int flush_tlb_kernel_range_common(unsigned long start, unsigned long end) } else if(pte_newprot(*pte)){ updated = 1; - protect_memory(addr, PAGE_SIZE, 1, 1, 1, 1); + os_protect_memory((void *) addr, PAGE_SIZE, 1, 1, 1); } addr += PAGE_SIZE; } -- cgit v1.2.3 From dc36abf34e13aabbe06cdd060c434b3cdd80e7da Mon Sep 17 00:00:00 2001 From: Paolo 'Blaisorblade' Giarrusso Date: Thu, 22 Sep 2005 21:44:18 -0700 Subject: [PATCH] uml: fix condition in tlb flush Avoid setting w = 0 twice. Spotted this (trivial) thing which is needed for another patch. Signed-off-by: Paolo 'Blaisorblade' Giarrusso Cc: Jeff Dike Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/kernel/tlb.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'arch/um/kernel/tlb.c') diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 0a562c3c0fd8..f5b0636f9ad7 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -193,12 +193,12 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr, r = pte_read(*npte); w = pte_write(*npte); x = pte_exec(*npte); - if(!pte_dirty(*npte)) - w = 0; - if(!pte_young(*npte)){ - r = 0; - w = 0; - } + if (!pte_young(*npte)) { + r = 0; + w = 0; + } else if (!pte_dirty(*npte)) { + w = 0; + } if(force || pte_newpage(*npte)){ if(pte_present(*npte)) ret = add_mmap(addr, -- cgit v1.2.3