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target/s390x: fix adj_len_to_page 

adj_len_to_page doesn't return the correct result when the address
is already page aligned and the length is bigger than a page. Fix that.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <20170531220129.27724-20-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Aurelien Jarno 2017-06-01 00:01:18 +02:00 committed by Richard Henderson
parent 5c2b48a8f0
commit 22f04c3198
1 changed files with 1 additions and 1 deletions
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2
target/s390x/mem_helper.c
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@ -61,7 +61,7 @@ static inline uint32_t adj_len_to_page(uint32_t len, uint64_t addr)
{
#ifndef CONFIG_USER_ONLY
if ((addr & ~TARGET_PAGE_MASK) + len - 1 >= TARGET_PAGE_SIZE) {
return -addr & ~TARGET_PAGE_MASK;
return -(addr | TARGET_PAGE_MASK);
}
#endif
return len;