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[PULL,03/39] util: Delete checks for old host definitions

Message ID 20230916033011.479144-4-richard.henderson@linaro.org
State Accepted
Commit a1eaa6281f8ba97a9798b6a5772621971d01c046
Headers show
Series [PULL,01/39] accel/tcg: mttcg remove false-negative halted assertion | expand

Commit Message

Richard Henderson Sept. 16, 2023, 3:29 a.m. UTC 
From: Akihiko Odaki <akihiko.odaki@daynix.com>

IA-64 and PA-RISC host support is already removed with commit
b1cef6d02f ("Drop remaining bits of ia64 host support").

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20230810225922.21600-1-akihiko.odaki@daynix.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 util/oslib-posix.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)
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Patch

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 4d583da7ce..e86fd64e09 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -585,7 +585,7 @@  char *qemu_get_pid_name(pid_t pid)
 
 void *qemu_alloc_stack(size_t *sz)
 {
-    void *ptr, *guardpage;
+    void *ptr;
     int flags;
 #ifdef CONFIG_DEBUG_STACK_USAGE
     void *ptr2;
@@ -618,17 +618,8 @@  void *qemu_alloc_stack(size_t *sz)
         abort();
     }
 
-#if defined(HOST_IA64)
-    /* separate register stack */
-    guardpage = ptr + (((*sz - pagesz) / 2) & ~pagesz);
-#elif defined(HOST_HPPA)
-    /* stack grows up */
-    guardpage = ptr + *sz - pagesz;
-#else
-    /* stack grows down */
-    guardpage = ptr;
-#endif
-    if (mprotect(guardpage, pagesz, PROT_NONE) != 0) {
+    /* Stack grows down -- guard page at the bottom. */
+    if (mprotect(ptr, pagesz, PROT_NONE) != 0) {
         perror("failed to set up stack guard page");
         abort();
     }