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[Stable-8.2.3,04/87] linux-user: Remove pgb_dynamic alignment assertion

Message ID 20240410072303.4191455-4-mjt@tls.msk.ru
State New
Headers show
Series Patch Round-up for stable 8.2.3, freeze on 2024-04-20 | expand

Commit Message

Michael Tokarev April 10, 2024, 7:21 a.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

The assertion was never correct, because the alignment is a composite
of the image alignment and SHMLBA.  Even if the image alignment didn't
match the image address, an assertion would not be correct -- more
appropriate would be an error message about an ill formed image.  But
the image cannot be held to SHMLBA under any circumstances.

Fixes: ee94743034b ("linux-user: completely re-write init_guest_space")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2157
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reported-by: Alexey Sheplyakov <asheplyakov@yandex.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
(cherry picked from commit b816e1b5ba58a986b10cd830d6617f351979ab91)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index cf9e74468b..7cc8d9685e 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -3016,8 +3016,6 @@  static void pgb_dynamic(const char *image_name, uintptr_t guest_loaddr,
     uintptr_t brk, ret;
     PGBAddrs ga;
 
-    assert(QEMU_IS_ALIGNED(guest_loaddr, align));
-
     /* Try the identity map first. */
     if (pgb_addr_set(&ga, guest_loaddr, guest_hiaddr, true)) {
         brk = (uintptr_t)sbrk(0);