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Cygwin: wincap: drop has_broken_prefetchvm flag and related code 

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2022-03-07 12:30:32 +01:00
parent 24363cffef
commit bf6940a413
3 changed files with 1 additions and 24 deletions
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8
winsup/cygwin/mmap.cc
View File

@ -1487,16 +1487,8 @@ posix_madvise (void *addr, size_t len, int advice)
WIN32_MEMORY_RANGE_ENTRY me = { base, size }; WIN32_MEMORY_RANGE_ENTRY me = { base, size };
if (!PrefetchVirtualMemory (GetCurrentProcess (), 1, &me, 0) if (!PrefetchVirtualMemory (GetCurrentProcess (), 1, &me, 0)
&& GetLastError () != ERROR_PROC_NOT_FOUND) && GetLastError () != ERROR_PROC_NOT_FOUND)
{
/* FIXME 2015-08-27: On W10 build 10240 under WOW64,
PrefetchVirtualMemory always returns ERROR_INVALID_PARAMETER
for some reason. If we're running on W10 WOW64, ignore this
error. This has been fixed in W10 1511. */
if (!wincap.has_broken_prefetchvm ()
|| GetLastError () != ERROR_INVALID_PARAMETER)
ret = EINVAL; ret = EINVAL;
} }
}
break; break;
case POSIX_MADV_DONTNEED: case POSIX_MADV_DONTNEED:
{ {

13
winsup/cygwin/wincap.cc
View File

@ -27,7 +27,6 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_gaa_largeaddress_bug:true, has_gaa_largeaddress_bug:true,
has_precise_system_time:false, has_precise_system_time:false,
has_microsoft_accounts:false, has_microsoft_accounts:false,
has_broken_prefetchvm:false,
has_new_pebteb_region:false, has_new_pebteb_region:false,
has_broken_whoami:true, has_broken_whoami:true,
has_unprivileged_createsymlink:false, has_unprivileged_createsymlink:false,
@ -58,7 +57,6 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:false, has_new_pebteb_region:false,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:false, has_unprivileged_createsymlink:false,
@ -89,7 +87,6 @@ wincaps wincap_8_1 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:false, has_new_pebteb_region:false,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:false, has_unprivileged_createsymlink:false,
@ -120,7 +117,6 @@ wincaps wincap_10_1507 __attribute__((section (".cygwin_dll_common"), shared))
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:true,
has_new_pebteb_region:false, has_new_pebteb_region:false,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:false, has_unprivileged_createsymlink:false,
@ -151,7 +147,6 @@ wincaps wincap_10_1607 __attribute__((section (".cygwin_dll_common"), shared))
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:true,
has_new_pebteb_region:false, has_new_pebteb_region:false,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:false, has_unprivileged_createsymlink:false,
@ -182,7 +177,6 @@ wincaps wincap_10_1703 __attribute__((section (".cygwin_dll_common"), shared)) =
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true, has_new_pebteb_region:true,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:true, has_unprivileged_createsymlink:true,
@ -213,7 +207,6 @@ wincaps wincap_10_1709 __attribute__((section (".cygwin_dll_common"), shared)) =
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true, has_new_pebteb_region:true,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:true, has_unprivileged_createsymlink:true,
@ -244,7 +237,6 @@ wincaps wincap_10_1803 __attribute__((section (".cygwin_dll_common"), shared)) =
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true, has_new_pebteb_region:true,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:true, has_unprivileged_createsymlink:true,
@ -275,7 +267,6 @@ wincaps wincap_10_1809 __attribute__((section (".cygwin_dll_common"), shared)) =
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true, has_new_pebteb_region:true,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:true, has_unprivileged_createsymlink:true,
@ -306,7 +297,6 @@ wincaps wincap_10_1903 __attribute__((section (".cygwin_dll_common"), shared)) =
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true, has_new_pebteb_region:true,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:true, has_unprivileged_createsymlink:true,
@ -337,7 +327,6 @@ wincaps wincap_10_2004 __attribute__((section (".cygwin_dll_common"), shared)) =
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true, has_new_pebteb_region:true,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:true, has_unprivileged_createsymlink:true,
@ -368,7 +357,6 @@ wincaps wincap_11 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_gaa_largeaddress_bug:false, has_gaa_largeaddress_bug:false,
has_precise_system_time:true, has_precise_system_time:true,
has_microsoft_accounts:true, has_microsoft_accounts:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true, has_new_pebteb_region:true,
has_broken_whoami:false, has_broken_whoami:false,
has_unprivileged_createsymlink:true, has_unprivileged_createsymlink:true,
@ -450,7 +438,6 @@ wincapc::init ()
((wincaps *)caps)->is_server = (version.wProductType != VER_NT_WORKSTATION); ((wincaps *)caps)->is_server = (version.wProductType != VER_NT_WORKSTATION);
{ {
((wincaps *)caps)->has_gaa_largeaddress_bug = false; ((wincaps *)caps)->has_gaa_largeaddress_bug = false;
((wincaps *)caps)->has_broken_prefetchvm = false;
} }
__small_sprintf (osnam, "NT-%d.%d", version.dwMajorVersion, __small_sprintf (osnam, "NT-%d.%d", version.dwMajorVersion,

2
winsup/cygwin/wincap.h
View File

@ -21,7 +21,6 @@ struct wincaps
unsigned has_gaa_largeaddress_bug : 1; unsigned has_gaa_largeaddress_bug : 1;
unsigned has_precise_system_time : 1; unsigned has_precise_system_time : 1;
unsigned has_microsoft_accounts : 1; unsigned has_microsoft_accounts : 1;
unsigned has_broken_prefetchvm : 1;
unsigned has_new_pebteb_region : 1; unsigned has_new_pebteb_region : 1;
unsigned has_broken_whoami : 1; unsigned has_broken_whoami : 1;
unsigned has_unprivileged_createsymlink : 1; unsigned has_unprivileged_createsymlink : 1;
@ -82,7 +81,6 @@ public:
bool IMPLEMENT (has_gaa_largeaddress_bug) bool IMPLEMENT (has_gaa_largeaddress_bug)
bool IMPLEMENT (has_precise_system_time) bool IMPLEMENT (has_precise_system_time)
bool IMPLEMENT (has_microsoft_accounts) bool IMPLEMENT (has_microsoft_accounts)
bool IMPLEMENT (has_broken_prefetchvm)
bool IMPLEMENT (has_new_pebteb_region) bool IMPLEMENT (has_new_pebteb_region)
bool IMPLEMENT (has_broken_whoami) bool IMPLEMENT (has_broken_whoami)
bool IMPLEMENT (has_unprivileged_createsymlink) bool IMPLEMENT (has_unprivileged_createsymlink)