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author | Richard Henderson <richard.henderson@linaro.org> | 2022-12-17 10:44:43 -0800 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2022-12-20 17:09:41 -0800 |
commit | 50d25c8aec3e495faee82f1732cc93f016967850 (patch) | |
tree | f39436eed60d732290cc159b3828d560862adf6f /accel | |
parent | f88f3ac90f9e98333abf91f23c8547a428cd90fa (diff) | |
download | qemu-50d25c8aec3e495faee82f1732cc93f016967850.zip qemu-50d25c8aec3e495faee82f1732cc93f016967850.tar.gz qemu-50d25c8aec3e495faee82f1732cc93f016967850.tar.bz2 |
accel/tcg: Drop PAGE_RESERVED for CONFIG_BSD
Make bsd-user match linux-user in not marking host pages
as reserved. This isn't especially effective anyway, as
it doesn't take into account any heap memory that qemu
may allocate after startup.
Reviewed-by: Warner Losh <imp@bsdimp.com>
Tested-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
-rw-r--r-- | accel/tcg/translate-all.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index b964ea4..48e9d70 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -354,71 +354,6 @@ void page_init(void) { page_size_init(); page_table_config_init(); - -#if defined(CONFIG_BSD) && defined(CONFIG_USER_ONLY) - { -#ifdef HAVE_KINFO_GETVMMAP - struct kinfo_vmentry *freep; - int i, cnt; - - freep = kinfo_getvmmap(getpid(), &cnt); - if (freep) { - mmap_lock(); - for (i = 0; i < cnt; i++) { - unsigned long startaddr, endaddr; - - startaddr = freep[i].kve_start; - endaddr = freep[i].kve_end; - if (h2g_valid(startaddr)) { - startaddr = h2g(startaddr) & TARGET_PAGE_MASK; - - if (h2g_valid(endaddr)) { - endaddr = h2g(endaddr); - page_set_flags(startaddr, endaddr, PAGE_RESERVED); - } else { -#if TARGET_ABI_BITS <= L1_MAP_ADDR_SPACE_BITS - endaddr = ~0ul; - page_set_flags(startaddr, endaddr, PAGE_RESERVED); -#endif - } - } - } - free(freep); - mmap_unlock(); - } -#else - FILE *f; - - last_brk = (unsigned long)sbrk(0); - - f = fopen("/compat/linux/proc/self/maps", "r"); - if (f) { - mmap_lock(); - - do { - unsigned long startaddr, endaddr; - int n; - - n = fscanf(f, "%lx-%lx %*[^\n]\n", &startaddr, &endaddr); - - if (n == 2 && h2g_valid(startaddr)) { - startaddr = h2g(startaddr) & TARGET_PAGE_MASK; - - if (h2g_valid(endaddr)) { - endaddr = h2g(endaddr); - } else { - endaddr = ~0ul; - } - page_set_flags(startaddr, endaddr, PAGE_RESERVED); - } - } while (!feof(f)); - - fclose(f); - mmap_unlock(); - } -#endif - } -#endif } PageDesc *page_find_alloc(tb_page_addr_t index, bool alloc) |