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| author | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2017-04-21 18:13:14 +0300 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2017-05-02 12:17:39 +0300 |
| commit | 5f6a1614fab801834e32b420b60acdc27acfcdec (patch) | |
| tree | 52a3c914f7913b44d9508e0ade5b63f959957a6c /arch/x86/xen | |
| parent | 6483e3135a693548874429db901c0544d3a9b4cd (diff) | |
| download | linux-5f6a1614fab801834e32b420b60acdc27acfcdec.tar.xz | |
xen/pvh: Do not fill kernel's e820 map in init_pvh_bootparams()
e820 map is updated with information from the zeropage (i.e. pvh_bootparams)
by default_machine_specific_memory_setup(). With the way things are done
now, we end up with a duplicated e820 map.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/enlighten_pvh.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index a4272c8620ce..98ab17673454 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -34,7 +34,6 @@ static void xen_pvh_arch_setup(void) static void __init init_pvh_bootparams(void) { struct xen_memory_map memmap; - unsigned int i; int rc; memset(&pvh_bootparams, 0, sizeof(pvh_bootparams)); @@ -46,26 +45,19 @@ static void __init init_pvh_bootparams(void) xen_raw_printk("XENMEM_memory_map failed (%d)\n", rc); BUG(); } + pvh_bootparams.e820_entries = memmap.nr_entries; - if (memmap.nr_entries < E820_MAX_ENTRIES_ZEROPAGE - 1) { - pvh_bootparams.e820_table[memmap.nr_entries].addr = + if (pvh_bootparams.e820_entries < E820_MAX_ENTRIES_ZEROPAGE - 1) { + pvh_bootparams.e820_table[pvh_bootparams.e820_entries].addr = ISA_START_ADDRESS; - pvh_bootparams.e820_table[memmap.nr_entries].size = + pvh_bootparams.e820_table[pvh_bootparams.e820_entries].size = ISA_END_ADDRESS - ISA_START_ADDRESS; - pvh_bootparams.e820_table[memmap.nr_entries].type = + pvh_bootparams.e820_table[pvh_bootparams.e820_entries].type = E820_TYPE_RESERVED; - memmap.nr_entries++; + pvh_bootparams.e820_entries++; } else xen_raw_printk("Warning: Can fit ISA range into e820\n"); - pvh_bootparams.e820_entries = memmap.nr_entries; - for (i = 0; i < pvh_bootparams.e820_entries; i++) - e820__range_add(pvh_bootparams.e820_table[i].addr, - pvh_bootparams.e820_table[i].size, - pvh_bootparams.e820_table[i].type); - - e820__update_table(e820_table); - pvh_bootparams.hdr.cmd_line_ptr = pvh_start_info.cmdline_paddr; |