Messages in this thread Patch in this message | | | Subject | [PATCH] Suspend2 Merge: Supress various actions/errors while suspending [2/5] | From | Nigel Cunningham <> | Date | Fri, 17 Sep 2004 09:51:06 +1000 |
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Patch 2:
Disable trying to flush TLBs on other processors while they're frozen. (Local TLBs are flushed on exit from the processor-freezer).
Regards,
Nigel
diff -ruN linux-2.6.9-rc1/mm/highmem.c software-suspend-linux-2.6.9-rc1-rev3/mm/highmem.c --- linux-2.6.9-rc1/mm/highmem.c 2004-09-07 21:59:01.000000000 +1000 +++ software-suspend-linux-2.6.9-rc1-rev3/mm/highmem.c 2004-09-09 19:36:24.000000000 +1000 @@ -26,6 +26,7 @@ #include <linux/init.h> #include <linux/hash.h> #include <linux/highmem.h> +#include <linux/suspend.h> #include <asm/tlbflush.h> static mempool_t *page_pool, *isa_page_pool; @@ -94,7 +95,12 @@ set_page_address(page, NULL); } - flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP)); +#ifdef CONFIG_PM + if (software_suspend_state & SOFTWARE_SUSPEND_FREEZE_SMP) + __flush_tlb(); + else +#endif + flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP)); } static inline unsigned long map_new_virtual(struct page *page) -- Nigel Cunningham Pastoral Worker Christian Reformed Church of Tuggeranong PO Box 1004, Tuggeranong, ACT 2901
Many today claim to be tolerant. True tolerance, however, can cope with others being intolerant.
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