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kvm: initialize qemu_host_page_size 

There is a HOST_PAGE_ALIGN macro which makes sense for KVM accelerator
but it uses qemu_host_page_size/qemu_host_page_mask which initialized
for TCG only.

This moves qemu_host_page_size/qemu_host_page_mask initialization from
TCG's page_init() and adds a call for it from kvm_init().

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Alexey Kardashevskiy 2014-01-17 11:12:07 -07:00 committed by Alex Williamson
parent 87ca1f77b1
commit 47c16ed56a
3 changed files with 10 additions and 6 deletions
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1
include/exec/exec-all.h
View File

@ -81,6 +81,7 @@ void cpu_gen_init(void);
int cpu_gen_code(CPUArchState *env, struct TranslationBlock *tb,
int *gen_code_size_ptr);
bool cpu_restore_state(CPUArchState *env, uintptr_t searched_pc);
void page_size_init(void);
void QEMU_NORETURN cpu_resume_from_signal(CPUArchState *env1, void *puc);
void QEMU_NORETURN cpu_io_recompile(CPUArchState *env, uintptr_t retaddr);

1
kvm-all.c
View File

@ -1360,6 +1360,7 @@ int kvm_init(void)
* page size for the system though.
*/
assert(TARGET_PAGE_SIZE <= getpagesize());
page_size_init();
#ifdef KVM_CAP_SET_GUEST_DEBUG
QTAILQ_INIT(&s->kvm_sw_breakpoints);

14
translate-all.c
View File

@ -289,17 +289,15 @@ static inline void map_exec(void *addr, long size)
}
#endif
static void page_init(void)
void page_size_init(void)
{
/* NOTE: we can always suppose that qemu_host_page_size >=
TARGET_PAGE_SIZE */
#ifdef _WIN32
{
SYSTEM_INFO system_info;
SYSTEM_INFO system_info;
GetSystemInfo(&system_info);
qemu_real_host_page_size = system_info.dwPageSize;
}
GetSystemInfo(&system_info);
qemu_real_host_page_size = system_info.dwPageSize;
#else
qemu_real_host_page_size = getpagesize();
#endif
@ -310,7 +308,11 @@ static void page_init(void)
qemu_host_page_size = TARGET_PAGE_SIZE;
}
qemu_host_page_mask = ~(qemu_host_page_size - 1);
}
static void page_init(void)
{
page_size_init();
#if defined(CONFIG_BSD) && defined(CONFIG_USER_ONLY)
{
#ifdef HAVE_KINFO_GETVMMAP