With paravirualization, hypervisors needs to handle the gdt, that was right to this point only used at very early inialization code. Hypervisors are commonly modules, so make it an export [ updates from v1 * make it an EXPORT_SYMBOL_GPL. Suggested by Arjan van de Ven ] Signed-off-by: Glauber de Oliveira Costa <[email protected]> Signed-off-by: Steven Rostedt <[email protected]> --- arch/x86_64/kernel/x8664_ksyms.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c index 77c25b3..2d3932d 100644 --- a/arch/x86_64/kernel/x8664_ksyms.c +++ b/arch/x86_64/kernel/x8664_ksyms.c @@ -60,3 +60,9 @@ EXPORT_SYMBOL(init_level4_pgt); EXPORT_SYMBOL(load_gs_index); EXPORT_SYMBOL(_proxy_pda); + +#ifdef CONFIG_PARAVIRT +extern unsigned long *cpu_gdt_descr; +/* Virtualized guests may want to use it */ +EXPORT_SYMBOL_GPL(cpu_gdt_descr); +#endif -- 1.4.4.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Follow-Ups:
- [PATCH 22/25 -v2] turn priviled operation into a macro
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 22/25 -v2] turn priviled operation into a macro
- References:
- [PATCH 0/25 -v2] paravirt_ops for x86_64, second round
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 1/25 -v2] header file move
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 2/25 -v2] tlb flushing routines
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 3/25 -v2] irq_flags / halt routines
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 4/25 -v2] Add debugreg/load_rsp native hooks
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 5/25 -v2] native versions for system.h functions
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 6/25 -v2] add native_apic read and write functions, as well as boot clocks ones
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 7/25 -v2] interrupt related native paravirt functions.
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 8/25 -v2] use macro for sti/cli in spinlock definitions
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 9/25 -v2] report ring kernel is running without paravirt
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 10/25 -v2] export math_state_restore
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 11/25 -v2] native versions for set pagetables
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 12/25 -v2] turn msr.h functions into native versions
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 13/25 -v2] add native functions for descriptors handling
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 14/25 -v2] get rid of inline asm for load_cr3
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 15/25 -v2] introducing paravirt_activate_mm
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 16/25 -v2] turn page operations into native versions
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 17/25 -v2] introduce paravirt_release_pgd()
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 18/25 -v2] turn priviled operations into macros in entry.S
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 20/25 -v2] replace syscall_init
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 0/25 -v2] paravirt_ops for x86_64, second round
- Prev by Date: [PATCH 14/25 -v2] get rid of inline asm for load_cr3
- Next by Date: [PATCH 16/25 -v2] turn page operations into native versions
- Previous by thread: [PATCH 20/25 -v2] replace syscall_init
- Next by thread: [PATCH 22/25 -v2] turn priviled operation into a macro
- Index(es):
 |