The patch doesn't help. The kernel hangs in the same fashion. >-----Original Message----- >From: linux-mips-bounce@xxxxxxxxxxxxxx >[mailto:linux-mips-bounce@xxxxxxxxxxxxxx] On Behalf Of Atsushi Nemoto >Sent: Thursday, August 17, 2006 6:51 PM >To: Mark E Mason >Cc: linux-mips@xxxxxxxxxxxxxx; ralf@xxxxxxxxxxxxxx; ths@xxxxxxxxxxxx >Subject: Re: [MIPS] SB1: Build fix: delete initialization of >flush_icache_page pointer. > >On Thu, 17 Aug 2006 14:20:07 -0700, "Mark E Mason" ><mark.e.mason@xxxxxxxxxxxx> wrote: >> The sb1_flash_icache_page change below breaks causes 1480 kernels to >> hang after freeing memory: > >Does this (untested) patch work for you? > >diff --git a/arch/mips/mm/c-sb1.c b/arch/mips/mm/c-sb1.c index >4bd9ad8..0f5691a 100644 >--- a/arch/mips/mm/c-sb1.c >+++ b/arch/mips/mm/c-sb1.c >@@ -253,6 +253,17 @@ void sb1___flush_cache_all(void) > __attribute__((alias("local_sb1___flush_cache_all"))); > #endif > >+static inline void local_sb1_flush_data_cache_page(void * addr) { >+ __sb1_writeback_inv_dcache_range((unsigned long)addr, >+ (unsigned long)addr + >PAGE_SIZE); } >+ >+static void sb1_flush_data_cache_page(unsigned long addr) { >+ on_each_cpu(local_sb1_flush_data_cache_page, (void *) >addr, 1, 1); } >+ > /* > * When flushing a range in the icache, we have to first writeback > * the dcache for the same range, so new ifetches will see >any @@ -527,8 +538,8 @@ #endif > flush_cache_page = sb1_flush_cache_page; > > flush_cache_sigtramp = sb1_flush_cache_sigtramp; >- local_flush_data_cache_page = (void *) sb1_nop; >- flush_data_cache_page = (void *) sb1_nop; >+ local_flush_data_cache_page = local_sb1_flush_data_cache_page; >+ flush_data_cache_page = sb1_flush_data_cache_page; > > /* Full flush */ > __flush_cache_all = sb1___flush_cache_all; > > >
